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Tarawneh HY, Jayakody DM, Sohrabi HR, Martins RN, Mulders WH. Understanding the Relationship Between Age-Related Hearing Loss and Alzheimer’s Disease: A Narrative Review. J Alzheimers Dis Rep 2022; 6:539-556. [PMID: 36275417 PMCID: PMC9535607 DOI: 10.3233/adr-220035] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 08/16/2022] [Indexed: 12/02/2022] Open
Abstract
Evidence suggests that hearing loss (HL), even at mild levels, increases the long-term risk of cognitive decline and incident dementia. Hearing loss is one of the modifiable risk factors for dementia, with approximately 4 million of the 50 million cases of dementia worldwide possibly attributed to untreated HL. This paper describes four possible mechanisms that have been suggested for the relationship between age-related hearing loss (ARHL) and Alzheimer’s disease (AD), which is the most common form of dementia. The first mechanism suggests mitochondrial dysfunction and altered signal pathways due to aging as a possible link between ARHL and AD. The second mechanism proposes that sensory degradation in hearing impaired people could explain the relationship between ARHL and AD. The occupation of cognitive resource (third) mechanism indicates that the association between ARHL and AD is a result of increased cognitive processing that is required to compensate for the degraded sensory input. The fourth mechanism is an expansion of the third mechanism, i.e., the function and structure interaction involves both cognitive resource occupation (neural activity) and AD pathology as the link between ARHL and AD. Exploring the specific mechanisms that provide the link between ARHL and AD has the potential to lead to innovative ideas for the diagnosis, prevention, and/or treatment of AD. This paper also provides insight into the current evidence for the use of hearing treatments as a possible treatment/prevention for AD, and if auditory assessments could provide an avenue for early detection of cognitive impairment associated with AD.
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Affiliation(s)
- Hadeel Y. Tarawneh
- School of Human Sciences, The University of Western Australia, Crawley, WA, Australia
- Ear Science Institute Australia, Subiaco, WA, Australia
| | - Dona M.P. Jayakody
- Ear Science Institute Australia, Subiaco, WA, Australia
- Centre of Ear Science, Medical School, The University of Western Australia, Crawley, WA, Australia
| | - Hamid R. Sohrabi
- Centre for Healthy Ageing, College of Science, Health, Engineering and Education, Murdoch University, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, NSW, Australia
| | - Ralph N. Martins
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, NSW, Australia
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Cortical Auditory Evoked Potentials in Children with Prenatal Exposure to Zika Virus. Viruses 2022; 14:v14091923. [PMID: 36146729 PMCID: PMC9502411 DOI: 10.3390/v14091923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/25/2022] [Accepted: 08/29/2022] [Indexed: 11/17/2022] Open
Abstract
Prenatal exposure to ZIKV can cause neurologic and auditory damage. The electrophysiological responses obtained by Cortical Auditory Evoked Potentials (CAEP) may provide an objective method to investigate the function of cortical auditory pathways in children exposed to ZIKV. This case series analyzed the findings of CAEP in prenatal-period ZIKV-exposed children with and without microcephaly. The CAEP was performed in a total of 24 children. Five magnetic resonance imaging (MRI) images of the inner ear and brain of microcephalic children were analyzed and compared with CAEP measurements. Ventriculomegaly (80%), cortical/subcortical calcification (80%), and brain reduction (60%) were the most common alterations in the MRI. The P1-N1-P2 complex of the CAEP was observed in all children evaluated. The peak N2 was absent in two children. In the comparison of the CAEP measurements between the groups, children with microcephaly presented a higher amplitude of P2 (p = 0.017), which may reflect immaturity of the auditory pathways. Microcephalic and normocephalic children with prenatal exposure to ZIKV presented with the mandatory components of the CAEPs, regardless of changes in the CNS, suggesting that this population has, to some extent, the cortical ability to process sound stimuli preserved.
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Anbuhl KL, Yao JD, Hotz RA, Mowery TM, Sanes DH. Auditory processing remains sensitive to environmental experience during adolescence in a rodent model. Nat Commun 2022; 13:2872. [PMID: 35610222 PMCID: PMC9130260 DOI: 10.1038/s41467-022-30455-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 05/02/2022] [Indexed: 11/09/2022] Open
Abstract
Elevated neural plasticity during development contributes to dramatic improvements in perceptual, motor, and cognitive skills. However, malleable neural circuits are vulnerable to environmental influences that may disrupt behavioral maturation. While these risks are well-established prior to sexual maturity (i.e., critical periods), the degree of neural vulnerability during adolescence remains uncertain. Here, we induce transient hearing loss (HL) spanning adolescence in gerbils, and ask whether behavioral and neural maturation are disrupted. We find that adolescent HL causes a significant perceptual deficit that can be attributed to degraded auditory cortex processing, as assessed with wireless single neuron recordings and within-session population-level analyses. Finally, auditory cortex brain slices from adolescent HL animals reveal synaptic deficits that are distinct from those typically observed after critical period deprivation. Taken together, these results show that diminished adolescent sensory experience can cause long-lasting behavioral deficits that originate, in part, from a dysfunctional cortical circuit.
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Affiliation(s)
- Kelsey L Anbuhl
- Center for Neural Science, New York University, 4 Washington Place, New York, NY, 10003, USA.
| | - Justin D Yao
- Center for Neural Science, New York University, 4 Washington Place, New York, NY, 10003, USA
| | - Robert A Hotz
- Center for Neural Science, New York University, 4 Washington Place, New York, NY, 10003, USA
| | - Todd M Mowery
- Center for Neural Science, New York University, 4 Washington Place, New York, NY, 10003, USA
- Department of Otolaryngology, Rutgers University, New Brunswick, NJ, USA
| | - Dan H Sanes
- Center for Neural Science, New York University, 4 Washington Place, New York, NY, 10003, USA.
- Department of Psychology, New York University, New York, NY, USA.
- Department of Biology, New York University, New York, NY, USA.
- Neuroscience Institute at NYU Langone School of Medicine, New York, NY, USA.
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Jarczok TA, Roebruck F, Pokorny L, Biermann L, Roessner V, Klein C, Bender S. Single-Pulse TMS to the Temporo-Occipital and Dorsolateral Prefrontal Cortex Evokes Lateralized Long Latency EEG Responses at the Stimulation Site. Front Neurosci 2021; 15:616667. [PMID: 33790732 PMCID: PMC8006291 DOI: 10.3389/fnins.2021.616667] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/12/2021] [Indexed: 11/16/2022] Open
Abstract
Introduction Transcranial magnetic stimulation (TMS)–evoked potentials (TEPs) allow for probing cortical functions in health and pathology. However, there is uncertainty whether long-latency TMS-evoked potentials reflect functioning of the targeted cortical area. It has been suggested that components such as the TMS-evoked N100 are stereotypical and related to nonspecific sensory processes rather than transcranial effects of the changing magnetic field. In contrast, TEPs that vary according to the targeted brain region and are systematically lateralized toward the stimulated hemisphere can be considered to reflect activity in the stimulated brain region resulting from transcranial electromagnetic induction. Methods TMS with concurrent 64-channel electroencephalography (EEG) was sequentially performed in homologous areas of both hemispheres. One sample of healthy adults received TMS to the dorsolateral prefrontal cortex; another sample received TMS to the temporo-occipital cortex. We analyzed late negative TEP deflections corresponding to the N100 component in motor cortex stimulation. Results TEP topography varied according to the stimulation target site. Long-latency negative TEP deflections were systematically lateralized (higher in ipsilateral compared to contralateral electrodes) in electrodes over the stimulated brain region. A calculation that removes evoked components that are not systematically lateralized relative to the stimulated hemisphere revealed negative maxima located around the respective target sites. Conclusion TEPs contain long-latency negative components that are lateralized toward the stimulated hemisphere and have their topographic maxima at the respective stimulation sites. They can be differentiated from co-occurring components that are invariable across different stimulation sites (probably reflecting coactivation of peripheral sensory afferences) according to their spatiotemporal patterns. Lateralized long-latency TEP components located at the stimulation site likely reflect activity evoked in the targeted cortex region by direct transcranial effects and are therefore suitable for assessing cortical functions.
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Affiliation(s)
- Tomasz A Jarczok
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Friederike Roebruck
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Lena Pokorny
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Lea Biermann
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Veit Roessner
- Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Christoph Klein
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Clinic for Child and Adolescent Psychiatry, Medical Faculty, University of Freiburg, Freiburg, Germany.,Department of Psychiatry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Stephan Bender
- Department of Child and Adolescent Psychiatry, Psychosomatics, and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
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Tarawneh HY, Mulders WH, Sohrabi HR, Martins RN, Jayakody DM. Investigating Auditory Electrophysiological Measures of Participants with Mild Cognitive Impairment and Alzheimer's Disease: A Systematic Review and Meta-Analysis of Event-Related Potential Studies. J Alzheimers Dis 2021; 84:419-448. [PMID: 34569950 PMCID: PMC8609695 DOI: 10.3233/jad-210556] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Objectively measuring auditory functions has been proposed as an avenue in differentiating normal age-related cognitive dysfunction from Alzheimer's disease (AD) and its prodromal states. Previous research has suggested auditory event-related potentials (AERPs) to be non-invasive, cost-effective, and efficient biomarkers for the diagnosis of AD. OBJECTIVE The objective of this paper is to review the published literature on AERPs measures in older adults diagnosed with AD and those at higher risk of developing AD, i.e., mild cognitive impairment (MCI) and subjective cognitive decline. METHODS The search was performed on six major electronic databases (Ovid MEDLINE, OVID EMBASE, PsycINFO, PubMed, Scopus, and CINAHL Plus). Articles identified prior to 7 May 2019 were considered for this review. A random effects meta-analysis and analysis of between study heterogeneity was conducted using the Comprehensive Meta-Analysis software. RESULTS The search identified 1,076 articles; 74 articles met the full inclusion criteria and were included in the systematic review, and 47 articles were included into the analyses. Pooled analysis suggests that AD participants can be differentiated from controls due to significant delays in ABR, N100, P200, N200, and P300 latencies. P300 amplitude was significantly smaller in AD participants compared to controls. P300 latencies differed significantly between MCI participants and controls based on the pooled analysis. CONCLUSION The findings of this review indicate that some AERPs may be valuable biomarkers of AD. In conjunction with currently available clinical and neuropsychological assessments, AERPs can aid in screening and diagnosis of prodromal AD.
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Affiliation(s)
- Hadeel Y. Tarawneh
- School of Human Sciences, The University of Western Australia, Crawley, WA, Australia
- Ear Science Institute Australia, Subiaco, WA, Australia
| | | | - Hamid R. Sohrabi
- Centre for Healthy Ageing, College of Science, Health, Engineering and Education, Murdoch University, WA, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW, Australia
| | - Ralph N. Martins
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, NSW, Australia
| | - Dona M.P. Jayakody
- Ear Science Institute Australia, Subiaco, WA, Australia
- Ear Science Centre, School of Surgery, The University of Western Australia, Crawley, WA, Australia
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6
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Mazer P, Macedo I, Paiva TO, Ferreira-Santos F, Pasion R, Barbosa F, Almeida P, Silveira C, Cunha-Reis C, Marques-Teixeira J. Abnormal Habituation of the Auditory Event-Related Potential P2 Component in Patients With Schizophrenia. Front Psychiatry 2021; 12:630406. [PMID: 33815168 PMCID: PMC8012906 DOI: 10.3389/fpsyt.2021.630406] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/19/2021] [Indexed: 11/13/2022] Open
Abstract
Auditory event-related potentials (ERP) may serve as diagnostic tools for schizophrenia and inform on the susceptibility for this condition. Particularly, the examination of N1 and P2 components of the auditory ERP may shed light on the impairments of information processing streams in schizophrenia. However, the habituation properties (i.e., decreasing amplitude with the repeated presentation of an auditory stimulus) of these components remain poorly studied compared to other auditory ERPs. Therefore, the current study used a roving paradigm to assess the modulation and habituation of N1 and P2 to simple (pure tones) and complex sounds (human voices and bird songs) in 26 first-episode patients with schizophrenia and 27 healthy participants. To explore the habituation properties of these ERPs, we measured the decrease in amplitude over a train of seven repetitions of the same stimulus (either bird songs or human voices). We observed that, for human voices, N1 and P2 amplitudes decreased linearly from stimulus 1-7, in both groups. Regarding bird songs, only the P2 component showed a decreased amplitude with stimulus presentation, exclusively in the control group. This suggests that patients did not show a fading of neural responses to repeated bird songs, reflecting abnormal habituation to this stimulus. This could reflect the inability to inhibit irrelevant or redundant information at later stages of auditory processing. In turn schizophrenia patients appear to have a preserved auditory processing of human voices.
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Affiliation(s)
- Prune Mazer
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal.,School of Health, Polytechnic Institute of Porto, Porto, Portugal
| | - Inês Macedo
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - Tiago O Paiva
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - Fernando Ferreira-Santos
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - Rita Pasion
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - Fernando Barbosa
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - Pedro Almeida
- Faculty of Law, School of Criminology and Interdisciplinary Research Center on Crime, Justice and Security, University of Porto, Porto, Portugal
| | - Celeste Silveira
- Faculty of Medicine, University of Porto, Porto, Portugal.,Psychiatry Department, Hospital S. João, Porto, Portugal
| | - Cassilda Cunha-Reis
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
| | - João Marques-Teixeira
- Laboratory of Neuropsychophysiology, Faculty of Psychology and Education Sciences of the University of Porto, Porto, Portugal
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7
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Mahajan Y, Kim J, Davis C. Does working memory protect against auditory distraction in older adults? BMC Geriatr 2020; 20:515. [PMID: 33256631 PMCID: PMC7708091 DOI: 10.1186/s12877-020-01909-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 11/17/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Past research indicates that when younger adults are engaged in a visual working memory task, they are less distracted by novel auditory stimuli than when engaged in a visual task that does not require working memory. The current study aimed to determine whether working memory affords the same protection to older adults. METHOD We examined behavioral and EEG responses in 16 younger and 16 older adults to distractor sounds when the listeners performed two visual tasks; one that required working memory (W1) and the other that did not (W0). Auditory distractors were presented in an oddball paradigm, participants were exposed to either standard tones (600 Hz: 80%) or various novel environmental sounds (20%). RESULTS It was found that: 1) when presented with novel vs standard sounds, older adults had faster correct response times in the W1 visual task than in the W0 task, indicating that they were less distracted by the novel sound; there was no difference in error rates. Younger adults did not show a task effect for correct response times but made slightly more errors when a novel sound was presented in the W1 task compared to the W0 task. 2) In older adults (but not the younger adults), the amplitude of N1 was smaller in the W1 condition compared to the W0 condition. 3) The working memory manipulation had no effect on MMN amplitude in older adults. 4) For the W1 compared to W0 task, the amplitude of P3a was attenuated for the older adults but not for the younger adults. CONCLUSIONS These results suggest that during the working memory manipulation older adults were able to engage working memory to reduce the processing of task-irrelevant sounds.
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Affiliation(s)
- Yatin Mahajan
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, New South Wales, Australia.,The HEARing Cooperative Research Centre, Melbourne, Victoria, Australia
| | - Jeesun Kim
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, New South Wales, Australia
| | - Chris Davis
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, New South Wales, Australia. .,The HEARing Cooperative Research Centre, Melbourne, Victoria, Australia.
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Scurry AN, Chifamba K, Jiang F. Electrophysiological Dynamics of Visual-Tactile Temporal Order Perception in Early Deaf Adults. Front Neurosci 2020; 14:544472. [PMID: 33071731 PMCID: PMC7539666 DOI: 10.3389/fnins.2020.544472] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 08/19/2020] [Indexed: 11/17/2022] Open
Abstract
Studies of compensatory plasticity in early deaf (ED) individuals have mainly focused on unisensory processing, and on spatial rather than temporal coding. However, precise discrimination of the temporal relationship between stimuli is imperative for successful perception of and interaction with the complex, multimodal environment. Although the properties of cross-modal temporal processing have been extensively studied in neurotypical populations, remarkably little is known about how the loss of one sense impacts the integrity of temporal interactions among the remaining senses. To understand how auditory deprivation affects multisensory temporal interactions, ED and age-matched normal hearing (NH) controls performed a visual-tactile temporal order judgment task in which visual and tactile stimuli were separated by varying stimulus onset asynchronies (SOAs) and subjects had to discern the leading stimulus. Participants performed the task while EEG data were recorded. Group averaged event-related potential waveforms were compared between groups in occipital and fronto-central electrodes. Despite similar temporal order sensitivities and performance accuracy, ED had larger visual P100 amplitudes for all SOA levels and larger tactile N140 amplitudes for the shortest asynchronous (± 30 ms) and synchronous SOA levels. The enhanced signal strength reflected in these components from ED adults are discussed in terms of compensatory recruitment of cortical areas for visual-tactile processing. In addition, ED adults had similar tactile P200 amplitudes as NH but longer P200 latencies suggesting reduced efficiency in later processing of tactile information. Overall, these results suggest that greater responses by ED for early processing of visual and tactile signals are likely critical for maintained performance in visual-tactile temporal order discrimination.
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Affiliation(s)
- Alexandra N Scurry
- Department of Psychology, University of Nevada, Reno, Reno, NV, United States
| | - Kudzai Chifamba
- Department of Psychology, University of Nevada, Reno, Reno, NV, United States
| | - Fang Jiang
- Department of Psychology, University of Nevada, Reno, Reno, NV, United States
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Whitten A, Key AP, Mefferd AS, Bodfish JW. Auditory event-related potentials index faster processing of natural speech but not synthetic speech over nonspeech analogs in children. BRAIN AND LANGUAGE 2020; 207:104825. [PMID: 32563764 DOI: 10.1016/j.bandl.2020.104825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 05/29/2020] [Accepted: 05/30/2020] [Indexed: 06/11/2023]
Abstract
Given the crucial role of speech sounds in human language, it may be beneficial for speech to be supported by more efficient auditory and attentional neural processing mechanisms compared to nonspeech sounds. However, previous event-related potential (ERP) studies have found either no differences or slower auditory processing of speech than nonspeech, as well as inconsistent attentional processing. We hypothesized that this may be due to the use of synthetic stimuli in past experiments. The present study measured ERP responses during passive listening to both synthetic and natural speech and complexity-matched nonspeech analog sounds in 22 8-11-year-old children. We found that although children were more likely to show immature auditory ERP responses to the more complex natural stimuli, ERP latencies were significantly faster to natural speech compared to cow vocalizations, but were significantly slower to synthetic speech compared to tones. The attentional results indicated a P3a orienting response only to the cow sound, and we discuss potential methodological reasons for this. We conclude that our results support more efficient auditory processing of natural speech sounds in children, though more research with a wider array of stimuli will be necessary to confirm these results. Our results also highlight the importance of using natural stimuli in research investigating the neurobiology of language.
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Affiliation(s)
- Allison Whitten
- Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, 1215 21st Ave S., Nashville, TN, USA.
| | - Alexandra P Key
- Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, 1215 21st Ave S., Nashville, TN, USA; Department of Psychiatry and Behavioral Sciences, Vanderbilt Psychiatric Hospital, 1601 23rd Ave. S, Nashville, TN, USA; Vanderbilt Kennedy Center, 110 Magnolia Cir, Nashville, TN, USA
| | - Antje S Mefferd
- Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, 1215 21st Ave S., Nashville, TN, USA; Vanderbilt Kennedy Center, 110 Magnolia Cir, Nashville, TN, USA
| | - James W Bodfish
- Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, 1215 21st Ave S., Nashville, TN, USA; Department of Psychiatry and Behavioral Sciences, Vanderbilt Psychiatric Hospital, 1601 23rd Ave. S, Nashville, TN, USA; Vanderbilt Kennedy Center, 110 Magnolia Cir, Nashville, TN, USA; Vanderbilt Brain Institute, 6133 Medical Research Building III, 465 21st Avenue S., Nashville, TN, USA
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10
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Bonmassar C, Widmann A, Wetzel N. The impact of novelty and emotion on attention-related neuronal and pupil responses in children. Dev Cogn Neurosci 2020; 42:100766. [PMID: 32452459 PMCID: PMC7068055 DOI: 10.1016/j.dcn.2020.100766] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 12/13/2019] [Accepted: 02/01/2020] [Indexed: 11/21/2022] Open
Abstract
Focusing on relevant and ignoring irrelevant information is essential for many learning processes. The present study investigated attention-related brain activity and pupil dilation responses, evoked by task-irrelevant emotional novel sounds. In the framework of current theories about the relation between attention and the locus coeruleus-norepinephrine (LC-NE) system, we simultaneously registered event-related potentials (ERPs) in the EEG and changes in pupil diameter (PDR). Unexpected emotional negative and neutral environmental novel sounds were presented within a sequence of repeated standard sounds to 7-10-year-old children and to adults, while participants focused on a visual task. Novel sounds evoked distinctive ERP components, reflecting attention processes and a biphasic PDR in both age groups. Amplitudes of the novel-minus-standard ERPs were increased in children compared to adults, indicating immature neuronal basis of auditory attention in middle childhood. Emotional versus neutral novel sounds evoked increased responses in the ERPs and in the PDR in both age groups. This demonstrates the increased impact of emotional sounds on attention mechanisms and indicates an advanced level of emotional information processing in children. The similar pattern of novel-related PDR and ERPs is conforming to recent theories, emphasizing the role of the LC-NE system in attention processes adding a developmental perspective.
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Affiliation(s)
| | - Andreas Widmann
- Leibniz Institute for Neurobiology, Magdeburg, Germany; Institute of Psychology, Leipzig University, Leipzig, Germany
| | - Nicole Wetzel
- Leibniz Institute for Neurobiology, Magdeburg, Germany; University of Applied Sciences Magdeburg-Stendal, Germany; Center for Behavioral Brain Sciences, Magdeburg, Germany
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11
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Ruiz-Martínez FJ, Rodríguez-Martínez EI, Wilson CE, Yau S, Saldaña D, Gómez CM. Impaired P1 Habituation and Mismatch Negativity in Children with Autism Spectrum Disorder. J Autism Dev Disord 2019; 50:603-616. [DOI: 10.1007/s10803-019-04299-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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12
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Hartkopf J, Moser J, Schleger F, Preissl H, Keune J. Changes in event-related brain responses and habituation during child development - A systematic literature review. Clin Neurophysiol 2019; 130:2238-2254. [PMID: 31711004 DOI: 10.1016/j.clinph.2019.08.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 08/07/2019] [Accepted: 08/24/2019] [Indexed: 01/09/2023]
Abstract
OBJECTIVE This systematic review highlights the influence of developmental changes of the central nervous system on habituation assessment during child development. Therefore, studies on age dependant changes in event-related brain responses as well as studies on behavioural and neurophysiological habituation during child development are compiled and discussed. METHODS Two PubMed searches with terms "(development evoked brain response (fetus OR neonate OR children) (electroencephalography OR magnetoencephalography))" and with terms "(psychology habituation (fetal OR neonate OR children) (human brain))" were performed to identify studies on developmental changes in event-related brain responses as well as habituation studies during child development. RESULTS Both search results showed a wide diversity of subjects' ages, stimulation protocols and examined behaviour or components of event-related brain responses as well as a demand for more longitudinal study designs. CONCLUSIONS A conclusive statement about clear developmental trends in event-related brain responses or in neurophysiological habituation studies is difficult to draw. Future studies should implement longitudinal designs, combination of behavioural and neurophysiological habituation measurement and more complex habituation paradigms to assess several habituation criteria. SIGNIFICANCE This review emphasizes that event-related brain responses underlie certain changes during child development which should be more considered in the context of neurophysiological habituation studies.
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Affiliation(s)
- Julia Hartkopf
- Institute for Diabetes Research and Metabolic Diseases/German Center for Diabetes Research (DZD e.V.) of the Helmholtz Center Munich at the University of Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany; fMEG-Center, University of Tuebingen, Otfried-Mueller-Strasse 47, 72076 Tuebingen, Germany.
| | - Julia Moser
- Institute for Diabetes Research and Metabolic Diseases/German Center for Diabetes Research (DZD e.V.) of the Helmholtz Center Munich at the University of Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany; fMEG-Center, University of Tuebingen, Otfried-Mueller-Strasse 47, 72076 Tuebingen, Germany.
| | - Franziska Schleger
- Institute for Diabetes Research and Metabolic Diseases/German Center for Diabetes Research (DZD e.V.) of the Helmholtz Center Munich at the University of Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany; fMEG-Center, University of Tuebingen, Otfried-Mueller-Strasse 47, 72076 Tuebingen, Germany.
| | - Hubert Preissl
- Institute for Diabetes Research and Metabolic Diseases/German Center for Diabetes Research (DZD e.V.) of the Helmholtz Center Munich at the University of Tuebingen, Otfried-Mueller-Strasse 10, 72076 Tuebingen, Germany; fMEG-Center, University of Tuebingen, Otfried-Mueller-Strasse 47, 72076 Tuebingen, Germany.
| | - Jana Keune
- fMEG-Center, University of Tuebingen, Otfried-Mueller-Strasse 47, 72076 Tuebingen, Germany; Department of Neurology, Klinikum Bayreuth GmbH, Hohe Warte 8, 95445 Bayreuth, Germany.
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13
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Jacobi I, Sheikh Rashid M, de Laat JAPM, Dreschler WA. Age Dependence of Thresholds for Speech in Noise in Normal-Hearing Adolescents. Trends Hear 2019; 21:2331216517743641. [PMID: 29212433 PMCID: PMC5724638 DOI: 10.1177/2331216517743641] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Previously found effects of age on thresholds for speech reception thresholds in noise in adolescents as measured by an online screening survey require further study in a well-controlled teenage sample. Speech reception thresholds (SRT) of 72 normal-hearing adolescent students were analyzed by means of the online speech-in-noise screening tool Earcheck (In Dutch: Oorcheck). Screening was performed at school and included pure-tone audiometry to ensure normal-hearing thresholds. The students’ ages ranged from 12 to 17 years. A group of young adults was included as a control group. Data were controlled for effects of gender and level of education. SRT scores within the controlled teenage sample revealed an effect of age on the order of an improvement of −0.2 dB per year. Effects of level of education and gender were not significant. Hearing screening tools that are based on SRT for speech in noise should control for an effect of age when assessing adolescents. Based on the present data, a correction factor of −0.2 dB per year between the ages of 12 and 17 is proposed. The proposed age-corrected SRT cut-off scores need to be evaluated in a larger sample including hearing-impaired adolescents.
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Affiliation(s)
- Irene Jacobi
- 1 Department of Clinical and Experimental Audiology, 26066 Academic Medical Centre , Amsterdam, The Netherlands
| | - Marya Sheikh Rashid
- 1 Department of Clinical and Experimental Audiology, 26066 Academic Medical Centre , Amsterdam, The Netherlands
| | - Jan A P M de Laat
- 2 Department of Audiology, 4501 Leiden University Medical Centre , Leiden, The Netherlands
| | - Wouter A Dreschler
- 1 Department of Clinical and Experimental Audiology, 26066 Academic Medical Centre , Amsterdam, The Netherlands
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14
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Pinto ESM, Martinelli MC. Brainstem auditory evoked potentials with speech stimulus in neonates. Braz J Otorhinolaryngol 2018; 86:191-200. [PMID: 30683567 PMCID: PMC9422734 DOI: 10.1016/j.bjorl.2018.11.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 10/17/2018] [Accepted: 11/05/2018] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION Brainstem auditory evoked potentials in response to complex sounds, such as speech sounds, investigate the neural representation of these sounds at subcortical levels, and faithfully reflect the stimulus characteristics. However, there are few studies that utilize this type of stimulus; for it to be used in clinical practice it is necessary to establish standards of normality through studies performed in different populations. OBJECTIVE To analyze the latencies and amplitudes of the waves obtained from the tracings of brainstem auditory evoked potentials using speech stimuli in Brazilian neonates with normal hearing and without auditory risk factors. METHODS 21 neonates with a mean age of 9 days without risk of hearing loss and with normal results at the neonatal hearing screening were evaluated according to the Joint Committee on Infant Hearing protocols. Auditory evoked potentials were performed with speech stimuli (/da/ syllable) at the intensity of 80 dBNA and the latency and amplitude of the waves obtained were analyzed. RESULTS In the transient portion, we observed a 100% response rate for all analyzable waves (Wave I, Wave III, Wave V and Wave A), and these waves exhibited a latency <10ms. In the sustained portion, Wave B was identified in 53.12% of subjects; Wave C in 75%; Wave D in 90.62%; Wave E in 96.87%; Wave F in 87.5% and Wave O was identified in 87.5% of subjects. The observed latency of these waves ranged from 11.51ms to 52.16ms. Greater similarity was observed for the response latencies, as well as greater amplitude variation in the studied group. CONCLUSIONS Although the wave morphology obtained for brainstem evoked potentials with speech stimulation in neonates is quite similar to that of adults, a longer latency and greater variation in amplitude were observed in the waves analyzed.
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15
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Cortical responses to tone and phoneme mismatch as a predictor of dyslexia? A systematic review. Schizophr Res 2018; 191:148-160. [PMID: 28712970 DOI: 10.1016/j.schres.2017.07.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 06/30/2017] [Accepted: 07/04/2017] [Indexed: 11/22/2022]
Abstract
Evidence from event-related-potential (ERP) studies has repeatedly shown differences in the perception and processing of auditory stimuli in children with dyslexia compared to control children. The mismatch negativity (MMN) - an ERP component reflecting passive auditory change detection ability - has been found to be reduced, not only in children with a diagnosis of dyslexia, but also in infants and preschool children at risk of developing dyslexia. However, the results are controversial due to the different methods, age of the children and stimuli used. The aim of the present review is to summarize and evaluate the MMN research about at-risk children in order to identify risk factors that discriminate between children with and without dyslexia risk and to analyze if the MMR (the abbreviation refers to positive and negative mismatch responses) correlates with later reading and spelling ability. A literature search yielded 17 studies reporting MMR to speech or non-speech stimuli in children at risk of dyslexia. The results of the studies were inconsistent. Studies measuring speech MMR often found attenuated amplitudes in the at-risk group, but mainly in very young children. The results for older children (6-7years) and for non-speech stimuli are more heterogeneous. A moderate positive correlation of MMR amplitude size with later reading and spelling abilities was consistently found. Overall, the findings of this review indicate that the MMR can be a valuable part of early dyslexia identification, which can enable efficient support and intervention for a child before the first problems appear.
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16
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Mahajan Y, Peter V, Sharma M. Effect of EEG Referencing Methods on Auditory Mismatch Negativity. Front Neurosci 2017; 11:560. [PMID: 29066945 PMCID: PMC5641332 DOI: 10.3389/fnins.2017.00560] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Accepted: 09/25/2017] [Indexed: 11/13/2022] Open
Abstract
Auditory event-related potentials (ERPs) have consistently been used in the investigation of auditory and cognitive processing in the research and clinical laboratories. There is currently no consensus on the choice of appropriate reference for auditory ERPs. The most commonly used references in auditory ERP research are the mathematically linked-mastoids (LM) and average referencing (AVG). Since LM and AVG referencing procedures do not solve the issue of electrically-neutral reference, Reference Electrode Standardization Technique (REST) was developed to create a neutral reference for EEG recordings. The aim of the current research is to compare the influence of the reference on amplitude and latency of auditory mismatch negativity (MMN) as a function of magnitude of frequency deviance across three commonly used electrode montages (16, 32, and 64-channel) using REST, LM, and AVG reference procedures. The current study was designed to determine if the three reference methods capture the variation in amplitude and latency of MMN with the deviance magnitude. We recorded MMN from 12 normal hearing young adults in an auditory oddball paradigm with 1,000 Hz pure tone as standard and 1,030, 1,100, and 1,200 Hz as small, medium and large frequency deviants, respectively. The EEG data recorded to these sounds was re-referenced using REST, LM, and AVG methods across 16-, 32-, and 64-channel EEG electrode montages. Results revealed that while the latency of MMN decreased with increment in frequency of deviant sounds, no effect of frequency deviance was present for amplitude of MMN. There was no effect of referencing procedure on the experimental effect tested. The amplitude of MMN was largest when the ERP was computed using LM referencing and the REST referencing produced the largest amplitude of MMN for 64-channel montage. There was no effect of electrode-montage on AVG referencing induced ERPs. Contrary to our predictions, the results suggest that the auditory MMN elicited as a function of increments in frequency deviance does not depend on the choice of referencing procedure. The results also suggest that auditory ERPs generated using REST referencing is contingent on the electrode arrays more than the AVG referencing.
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Affiliation(s)
- Yatin Mahajan
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, NSW, Australia.,The HEARing CRC, Melbourne, VIC, Australia
| | - Varghese Peter
- The MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, NSW, Australia
| | - Mridula Sharma
- The HEARing CRC, Melbourne, VIC, Australia.,Department of Linguistics, Australian Hearing Hub, Macquarie University, Sydney, NSW, Australia
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17
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Silva LAF, Magliaro FCL, Carvalho ACMD, Matas CG. Maturation of long latency auditory evoked potentials in hearing children: systematic review. Codas 2017; 29:e20160107. [PMID: 28538829 DOI: 10.1590/2317-1782/20172016107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 08/11/2016] [Indexed: 11/22/2022] Open
Abstract
Purpose To analyze how Auditory Long Latency Evoked Potentials (LLAEP) change according to age in children population through a systematic literature review. Research strategies After formulation of the research question, a bibliographic survey was done in five data bases with the following descriptors: Electrophysiology (Eletrofisiologia), Auditory Evoked Potentials (Potenciais Evocados Auditivos), Child (Criança), Neuronal Plasticity (Plasticidade Neuronal) and Audiology (Audiologia). Selection criteria Level 1 evidence articles, published between 1995 and 2015 in Brazilian Portuguese or English language. Data analysis Aspects related to emergence, morphology and latency of P1, N1, P2 and N2 components were analyzed. Results A total of 388 studies were found; however, only 21 studies contemplated the established criteria. P1 component is characterized as the most frequent component in young children, being observed around 100-150 ms, which tends to decrease as chronological age increases. The N2 component was shown to be the second most commonly observed component in children, being observed around 200-250 ms.. The other N1 and P2 components are less frequent and begin to be seen and recorded throughout the maturational process. Conclusion The maturation of LLAEP occurs gradually, and the emergence of P1, N1, P2 and N2 components as well as their latency values are variable in childhood. P1 and N2 components are the most observed and described in pediatric population. The diversity of protocols makes the comparison between studies difficult.
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Affiliation(s)
| | | | | | - Carla Gentile Matas
- Faculdade de Medicina - FM, Universidade de São Paulo - USP - São Paulo (SP), Brasil
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18
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Xie Z, Reetzke R, Chandrasekaran B. Stability and plasticity in neural encoding of linguistically relevant pitch patterns. J Neurophysiol 2017; 117:1407-1422. [PMID: 28077662 DOI: 10.1152/jn.00445.2016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 12/15/2022] Open
Abstract
While lifelong language experience modulates subcortical encoding of pitch patterns, there is emerging evidence that short-term training introduced in adulthood also shapes subcortical pitch encoding. Here we use a cross-language design to examine the stability of language experience-dependent subcortical plasticity over multiple days. We then examine the extent to which behavioral relevance induced by sound-to-category training leads to plastic changes in subcortical pitch encoding in adulthood relative to adolescence, a period of ongoing maturation of subcortical and cortical auditory processing. Frequency-following responses (FFRs), which reflect phase-locked activity from subcortical neural ensembles, were elicited while participants passively listened to pitch patterns reflective of Mandarin tones. In experiment 1, FFRs were recorded across three consecutive days from native Chinese-speaking (n = 10) and English-speaking (n = 10) adults. In experiment 2, FFRs were recorded from native English-speaking adolescents (n = 20) and adults (n = 15) before, during, and immediately after a session of sound-to-category training, as well as a day after training ceased. Experiment 1 demonstrated the stability of language experience-dependent subcortical plasticity in pitch encoding across multiple days of passive exposure to linguistic pitch patterns. In contrast, experiment 2 revealed an enhancement in subcortical pitch encoding that emerged a day after the sound-to-category training, with some developmental differences observed. Taken together, these findings suggest that behavioral relevance is a critical component for the observation of plasticity in the subcortical encoding of pitch.NEW & NOTEWORTHY We examine the timescale of experience-dependent auditory plasticity to linguistically relevant pitch patterns. We find extreme stability in lifelong experience-dependent plasticity. We further demonstrate that subcortical function in adolescents and adults is modulated by a single session of sound-to-category training. Our results suggest that behavioral relevance is a necessary ingredient for neural changes in pitch encoding to be observed throughout human development. These findings contribute to the neurophysiological understanding of long- and short-term experience-dependent modulation of pitch.
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Affiliation(s)
- Zilong Xie
- Department of Communication Sciences and Disorders, The University of Texas at Austin, Austin, Texas
| | - Rachel Reetzke
- Department of Communication Sciences and Disorders, The University of Texas at Austin, Austin, Texas
| | - Bharath Chandrasekaran
- Department of Communication Sciences and Disorders, The University of Texas at Austin, Austin, Texas; .,Department of Psychology, The University of Texas at Austin, Austin, Texas.,Department of Linguistics, The University of Texas at Austin, Austin, Texas.,Institute for Neuroscience, The University of Texas at Austin, Austin, Texas; and.,Institute for Mental Health Research, The University of Texas at Austin, Austin, Texas
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19
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Woodruff Carr K, Fitzroy AB, Tierney A, White-Schwoch T, Kraus N. Incorporation of feedback during beat synchronization is an index of neural maturation and reading skills. BRAIN AND LANGUAGE 2017; 164:43-52. [PMID: 27701006 DOI: 10.1016/j.bandl.2016.09.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 07/29/2016] [Accepted: 09/11/2016] [Indexed: 06/06/2023]
Abstract
Speech communication involves integration and coordination of sensory perception and motor production, requiring precise temporal coupling. Beat synchronization, the coordination of movement with a pacing sound, can be used as an index of this sensorimotor timing. We assessed adolescents' synchronization and capacity to correct asynchronies when given online visual feedback. Variability of synchronization while receiving feedback predicted phonological memory and reading sub-skills, as well as maturation of cortical auditory processing; less variable synchronization during the presence of feedback tracked with maturation of cortical processing of sound onsets and resting gamma activity. We suggest the ability to incorporate feedback during synchronization is an index of intentional, multimodal timing-based integration in the maturing adolescent brain. Precision of temporal coding across modalities is important for speech processing and literacy skills that rely on dynamic interactions with sound. Synchronization employing feedback may prove useful as a remedial strategy for individuals who struggle with timing-based language learning impairments.
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Affiliation(s)
- Kali Woodruff Carr
- Auditory Neuroscience Laboratory, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Communication Sciences, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA
| | - Ahren B Fitzroy
- Auditory Neuroscience Laboratory, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Communication Sciences, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA
| | - Adam Tierney
- Auditory Neuroscience Laboratory, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Communication Sciences, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA
| | - Travis White-Schwoch
- Auditory Neuroscience Laboratory, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Communication Sciences, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA
| | - Nina Kraus
- Auditory Neuroscience Laboratory, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Communication Sciences, Northwestern University, 2240 Campus Drive, Evanston, IL 60208, USA; Department of Neurobiology & Physiology, Northwestern University, 2205 Tech Drive, Evanston, IL 60208, USA; Department of Otolaryngology, Northwestern University, 675 North St Clair, Chicago, IL, USA.
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20
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Peter V, Kalashnikova M, Santos A, Burnham D. Mature neural responses to Infant-Directed Speech but not Adult-Directed Speech in Pre-Verbal Infants. Sci Rep 2016; 6:34273. [PMID: 27677352 PMCID: PMC5039709 DOI: 10.1038/srep34273] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 09/09/2016] [Indexed: 11/16/2022] Open
Abstract
Infant directed speech (IDS), the speech register adults use when talking to infants, has been shown to have positive effects on attracting infants' attention, language learning, and emotional communication. Here event related potentials (ERPs) are used to investigate the neural coding of IDS and ADS (adult directed speech) as well as their discrimination by both infants and adults. Two instances of the vowel /i/, one extracted from ADS and one from IDS, were presented to 9-month-old infants and adults in two oddball conditions: ADS standard/IDS deviant and IDS standard/ADS deviant. In Experiment 1 with adults, the obligatory ERPs that code acoustic information were different for ADS and IDS; and discrimination, indexed by mismatch negativity (MMN) responses, showed that IDS and ADS deviants were discriminated equally well; although, the P3a response was larger for IDS suggesting it captured adults' attention more than did ADS. In infants the obligatory responses did not differ for IDS and ADS, but for discrimination, while IDS deviants generated both a slow-positive mismatch response (MMR) as well as an adult-like MMN, the ADS deviants generated only an MMR. The presence of a mature adult-like MMN suggests that the IDS stimulus is easier to discriminate for infants.
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Affiliation(s)
- Varghese Peter
- MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, Australia
| | - Marina Kalashnikova
- MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, Australia
| | - Aimee Santos
- MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, Australia
| | - Denis Burnham
- MARCS Institute for Brain, Behaviour and Development, Western Sydney University, Penrith, Australia
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21
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Brief Report: Early VEPs to Pattern-Reversal in Adolescents and Adults with Autism. J Autism Dev Disord 2016; 46:3377-86. [DOI: 10.1007/s10803-016-2880-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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22
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Yau SH, Brock J, McArthur G. The relationship between spoken language and speech and nonspeech processing in children with autism: a magnetic event-related field study. Dev Sci 2016; 19:834-52. [DOI: 10.1111/desc.12328] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2014] [Accepted: 04/22/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Shu Hui Yau
- ARC Centre for Cognition and its Disorders; Department of Cognitive Science; Macquarie University; Australia
| | - Jon Brock
- ARC Centre for Cognition and its Disorders; Department of Cognitive Science; Macquarie University; Australia
| | - Genevieve McArthur
- ARC Centre for Cognition and its Disorders; Department of Cognitive Science; Macquarie University; Australia
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23
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Kiefer AW, Barber Foss K, Reches A, Gadd B, Gordon M, Rushford K, Laufer I, Weiss M, Myer GD. Brain Network Activation as a Novel Biomarker for the Return-to-Play Pathway Following Sport-Related Brain Injury. Front Neurol 2015; 6:243. [PMID: 26635720 PMCID: PMC4653293 DOI: 10.3389/fneur.2015.00243] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 10/30/2015] [Indexed: 12/02/2022] Open
Abstract
Children and adolescent athletes are at a higher risk for concussion than adults, and also experience longer recovery times and increased associated symptoms. It has also recently been demonstrated that multiple, seemingly mild concussions may result in exacerbated and prolonged neurological deficits. Objective assessments and return-to-play criteria are needed to reduce risk and morbidity associated with concussive events in these populations. Recent research has pushed to study the use of electroencephalography as an objective measure of brain injury. In the present case study, we present a novel approach that examines event-related potentials via a brain network activation (BNA) analysis as a biomarker of concussion and recovery. Specifically, changes in BNA scores, as indexed through this approach, offer a potential indicator of neurological health as the BNA assessment qualitatively and quantitatively indexes the network dynamics associated with brain injury. Objective tools, such as these support accurate and efficient assessment of brain injury and may offer a useful step in categorizing the temporal and spatial changes in brain activity following concussive blows, as well as the functional connectivity of brain networks, associated with concussion.
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Affiliation(s)
- Adam W Kiefer
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center , Cincinnati, OH , USA ; Department of Pediatrics, University of Cincinnati College of Medicine , Cincinnati, OH , USA ; Center for Cognition Action and Perception, Department of Psychology, University of Cincinnati , Cincinnati, OH , USA
| | - Kim Barber Foss
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center , Cincinnati, OH , USA
| | | | - Brooke Gadd
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center , Cincinnati, OH , USA
| | | | | | | | | | - Gregory D Myer
- Division of Sports Medicine, Cincinnati Children's Hospital Medical Center , Cincinnati, OH , USA ; Department of Pediatrics, University of Cincinnati College of Medicine , Cincinnati, OH , USA ; Department of Orthopaedic Surgery, University of Cincinnati , Cincinnati, OH , USA ; The Micheli Center for Sports Injury Prevention , Waltham, MA , USA ; Sports Health and Performance Institute, The Ohio State University , Columbus, OH , USA
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Fitzroy AB, Krizman J, Tierney A, Agouridou M, Kraus N. Longitudinal maturation of auditory cortical function during adolescence. Front Hum Neurosci 2015; 9:530. [PMID: 26539092 PMCID: PMC4611058 DOI: 10.3389/fnhum.2015.00530] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 09/14/2015] [Indexed: 12/03/2022] Open
Abstract
Cross-sectional studies have demonstrated that the cortical auditory evoked potential (CAEP) changes substantially in amplitude and latency from childhood to adulthood, suggesting that these aspects of the CAEP continue to mature through adolescence. However, no study to date has longitudinally followed maturation of these CAEP measures through this developmental period. Additionally, no study has examined the trial-to-trial variability of the CAEP during adolescence. Therefore, we longitudinally tracked changes in the latency, amplitude, and variability of the P1, N1, P2, and N2 components of the CAEP in 68 adolescents from age 14 years to age 17 years. Latency decreased for N1 and N2, and did not change for P1 or P2. Amplitude decreased for P1 and N2, increased for N1, and did not change for P2. Variability decreased with age for all CAEP components. These findings provide longitudinal support for the view that the human auditory system continues to mature through adolescence. Continued auditory system maturation through adolescence suggests that CAEP neural generators remain plastic during this age range and potentially amenable to experience-based enhancement or deprivation.
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Affiliation(s)
- Ahren B Fitzroy
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Jennifer Krizman
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Adam Tierney
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Manto Agouridou
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA
| | - Nina Kraus
- Department of Communication Sciences and Disorders, Northwestern University Evanston, IL, USA ; Auditory Neuroscience Laboratory, Northwestern University Evanston, IL, USA ; Institute for Neuroscience, Northwestern University Evanston, IL, USA ; Department of Neurobiology and Physiology, Northwestern University Evanston, IL, USA ; Department of Otolaryngology, Northwestern University Evanston, IL, USA
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25
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Abstract
Fundamental changes in brain structure and function during adolescence are well-characterized, but the extent to which experience modulates adolescent neurodevelopment is not. Musical experience provides an ideal case for examining this question because the influence of music training begun early in life is well-known. We investigated the effects of in-school music training, previously shown to enhance auditory skills, versus another in-school training program that did not focus on development of auditory skills (active control). We tested adolescents on neural responses to sound and language skills before they entered high school (pretraining) and again 3 y later. Here, we show that in-school music training begun in high school prolongs the stability of subcortical sound processing and accelerates maturation of cortical auditory responses. Although phonological processing improved in both the music training and active control groups, the enhancement was greater in adolescents who underwent music training. Thus, music training initiated as late as adolescence can enhance neural processing of sound and confer benefits for language skills. These results establish the potential for experience-driven brain plasticity during adolescence and demonstrate that in-school programs can engender these changes.
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26
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Yau SH, McArthur G, Badcock NA, Brock J. Case study: auditory brain responses in a minimally verbal child with autism and cerebral palsy. Front Neurosci 2015; 9:208. [PMID: 26150768 PMCID: PMC4473003 DOI: 10.3389/fnins.2015.00208] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 05/24/2015] [Indexed: 01/17/2023] Open
Abstract
An estimated 30% of individuals with autism spectrum disorders (ASD) remain minimally verbal into late childhood, but research on cognition and brain function in ASD focuses almost exclusively on those with good or only moderately impaired language. Here we present a case study investigating auditory processing of GM, a nonverbal child with ASD and cerebral palsy. At the age of 8 years, GM was tested using magnetoencephalography (MEG) whilst passively listening to speech sounds and complex tones. Where typically developing children and verbal autistic children all demonstrated similar brain responses to speech and nonspeech sounds, GM produced much stronger responses to nonspeech than speech, particularly in the 65-165 ms (M50/M100) time window post-stimulus onset. GM was retested aged 10 years using electroencephalography (EEG) whilst passively listening to pure tone stimuli. Consistent with her MEG response to complex tones, GM showed an unusually early and strong response to pure tones in her EEG responses. The consistency of the MEG and EEG data in this single case study demonstrate both the potential and the feasibility of these methods in the study of minimally verbal children with ASD. Further research is required to determine whether GM's atypical auditory responses are characteristic of other minimally verbal children with ASD or of other individuals with cerebral palsy.
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Affiliation(s)
- Shu H. Yau
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, Australia
- Department of Cognitive Science, Macquarie UniversitySydney, Australia
| | - Genevieve McArthur
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, Australia
- Department of Cognitive Science, Macquarie UniversitySydney, Australia
| | - Nicholas A. Badcock
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, Australia
- Department of Cognitive Science, Macquarie UniversitySydney, Australia
| | - Jon Brock
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie UniversitySydney, Australia
- Department of Cognitive Science, Macquarie UniversitySydney, Australia
- Department of Psychology, Macquarie UniversitySydney, Australia
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27
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Anderson S, Parbery-Clark A, White-Schwoch T, Kraus N. Development of subcortical speech representation in human infants. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2015; 137:3346-55. [PMID: 26093424 PMCID: PMC4474946 DOI: 10.1121/1.4921032] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Revised: 04/19/2015] [Accepted: 04/22/2015] [Indexed: 05/24/2023]
Abstract
Previous studies have evaluated representation of the fundamental frequency (F0) in the frequency following response (FFR) of infants, but the development of other aspects of the FFR, such as timing and harmonics, has not yet been examined. Here, FFRs were recorded to a speech syllable in 28 infants, ages three to ten months. The F0 amplitude of the response was variable among individuals but was strongly represented in some infants as young as three months of age. The harmonics, however, showed a systematic increase in amplitude with age. In the time domain, onset, offset, and inter-peak latencies decreased with age. These results are consistent with neurophysiological studies indicating that (1) phase locking to lower frequency sounds emerges earlier in life than phase locking to higher frequency sounds and (2) myelination continues to increase in the first year of life. Early representation of low frequencies may reflect greater exposure to low frequency stimulation in utero. The improvement in temporal precision likely parallels an increase in the efficiency of neural transmission accompanied by exposure to speech during the first year of life.
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Affiliation(s)
- Samira Anderson
- Department of Hearing and Speech Sciences, University of Maryland, College Park, Maryland 20742, USA
| | - Alexandra Parbery-Clark
- Center for Hearing and Skull Base Surgery, Swedish Neuroscience Specialists, Seattle, Washington 98122, USA
| | - Travis White-Schwoch
- Department of Communication Sciences, Northwestern University, Evanston, Illinois 60208, USA
| | - Nina Kraus
- Department of Communication Sciences, Northwestern University, Evanston, Illinois 60208, USA
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28
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Badcock NA, Preece KA, de Wit B, Glenn K, Fieder N, Thie J, McArthur G. Validation of the Emotiv EPOC EEG system for research quality auditory event-related potentials in children. PeerJ 2015; 3:e907. [PMID: 25922794 PMCID: PMC4411518 DOI: 10.7717/peerj.907] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2014] [Accepted: 04/01/2015] [Indexed: 11/20/2022] Open
Abstract
Background. Previous work has demonstrated that a commercial gaming electroencephalography (EEG) system, Emotiv EPOC, can be adjusted to provide valid auditory event-related potentials (ERPs) in adults that are comparable to ERPs recorded by a research-grade EEG system, Neuroscan. The aim of the current study was to determine if the same was true for children. Method. An adapted Emotiv EPOC system and Neuroscan system were used to make simultaneous EEG recordings in nineteen 6- to 12-year-old children under “passive” and “active” listening conditions. In the passive condition, children were instructed to watch a silent DVD and ignore 566 standard (1,000 Hz) and 100 deviant (1,200 Hz) tones. In the active condition, they listened to the same stimuli, and were asked to count the number of ‘high’ (i.e., deviant) tones. Results. Intraclass correlations (ICCs) indicated that the ERP morphology recorded with the two systems was very similar for the P1, N1, P2, N2, and P3 ERP peaks (r = .82 to .95) in both passive and active conditions, and less so, though still strong, for mismatch negativity ERP component (MMN; r = .67 to .74). There were few differences between peak amplitude and latency estimates for the two systems. Conclusions. An adapted EPOC EEG system can be used to index children’s late auditory ERP peaks (i.e., P1, N1, P2, N2, P3) and their MMN ERP component.
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Affiliation(s)
- Nicholas A Badcock
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , North Ryde, NSW , Australia ; Department of Cognitive Science, Macquarie University , North Ryde, NSW , Australia
| | - Kathryn A Preece
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , North Ryde, NSW , Australia ; Department of Cognitive Science, Macquarie University , North Ryde, NSW , Australia
| | - Bianca de Wit
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , North Ryde, NSW , Australia ; Department of Cognitive Science, Macquarie University , North Ryde, NSW , Australia
| | | | - Nora Fieder
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , North Ryde, NSW , Australia ; Department of Cognitive Science, Macquarie University , North Ryde, NSW , Australia
| | - Johnson Thie
- School of Electrical and Information Engineering, University of Sydney , Sydney, NSW , Australia
| | - Genevieve McArthur
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , North Ryde, NSW , Australia ; Department of Cognitive Science, Macquarie University , North Ryde, NSW , Australia
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29
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Krizman J, Tierney A, Fitzroy AB, Skoe E, Amar J, Kraus N. Continued maturation of auditory brainstem function during adolescence: A longitudinal approach. Clin Neurophysiol 2015; 126:2348-55. [PMID: 25801342 DOI: 10.1016/j.clinph.2015.01.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 12/23/2014] [Accepted: 01/27/2015] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Considerable attention has been devoted to understanding development of the auditory system during the first few years of life, yet comparatively little is known about maturation during adolescence. Moreover, the few studies investigating auditory system maturation in late childhood have employed a cross-sectional approach. METHODS To better understand auditory development in adolescence, we used a longitudinal design to measure the subcortical encoding of speech syllables in 74 adolescents at four time points from ages 14 through 17. RESULTS We find a developmental decrease in the spectral representation of the evoking syllable, trial-by-trial response consistency, and tracking of the amplitude envelope, while timing of the evoked response appears to be stable over this age range. CONCLUSIONS Subcortical auditory development is a protracted process that continues throughout the first two decades of life. Specifically, our data suggest that adolescence represents a transitional point between the enhanced response during childhood and the mature, though smaller, response of adults. SIGNIFICANCE That the auditory brainstem has not fully matured by the end of adolescence suggests that auditory enrichment begun later in childhood could lead to enhancements in auditory processing and alter developmental profiles.
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Affiliation(s)
- Jennifer Krizman
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Adam Tierney
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Ahren B Fitzroy
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Erika Skoe
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA
| | - Jordan Amar
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Neurobiology and Physiology, Northwestern University, Evanston, IL, USA
| | - Nina Kraus
- Auditory Neuroscience Laboratory, Northwestern University, Evanston, IL, USA(3); Department of Communication Sciences and Disorders, Northwestern University, Evanston, IL, USA; Institute for Neuroscience, Northwestern University, Evanston, IL, USA; Department of Neurobiology and Physiology, Northwestern University, Evanston, IL, USA; Department of Otolaryngology, Northwestern University, Evanston, IL, USA.
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30
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Brandwein A, Foxe J, Butler J, Frey H, Bates J, Shulman L, Molholm S. Neurophysiological indices of atypical auditory processing and multisensory integration are associated with symptom severity in autism. J Autism Dev Disord 2015; 45:230-44. [PMID: 25245785 PMCID: PMC4289100 DOI: 10.1007/s10803-014-2212-9] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Atypical processing and integration of sensory inputs are hypothesized to play a role in unusual sensory reactions and social-cognitive deficits in autism spectrum disorder (ASD). Reports on the relationship between objective metrics of sensory processing and clinical symptoms, however, are surprisingly sparse. Here we examined the relationship between neurophysiological assays of sensory processing and (1) autism severity and (2) sensory sensitivities, in individuals with ASD aged 6-17. Multiple linear regression indicated significant associations between neural markers of auditory processing and multisensory integration, and autism severity. No such relationships were apparent for clinical measures of visual/auditory sensitivities. These data support that aberrant early sensory processing contributes to autism symptoms, and reveal the potential of electrophysiology to objectively subtype autism.
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Affiliation(s)
- A.B. Brandwein
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- Department of Neuroscience, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- The Graduate Center of the City University of New York, New York, NY 10016, USA
| | - J.J. Foxe
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- Department of Neuroscience, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- The Graduate Center of the City University of New York, New York, NY 10016, USA
- The Cognitive Neurophysiology Laboratory, The Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY 10962, USA
| | - J.S. Butler
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- Department of Neuroscience, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
| | - H.P. Frey
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- Department of Neuroscience, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
| | - J.C. Bates
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
| | - L. Shulman
- Department of Pediatrics, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1165 Morris Park Avenue, Bronx, NY 10461, USA
| | - S. Molholm
- Department of Pediatrics, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- Department of Neuroscience, The Sheryl and Daniel R. Tishman Cognitive Neurophysiology Laboratory, Children’s Evaluation and Rehabilitation Center (CERC), Albert Einstein College of Medicine, 1225 Morris Park Avenue, Bronx, NY 10461, USA
- The Graduate Center of the City University of New York, New York, NY 10016, USA
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31
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Maturation of mismatch negativity and P3a response across adolescence. Neurosci Lett 2014; 587:102-6. [PMID: 25541177 DOI: 10.1016/j.neulet.2014.12.041] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 09/24/2014] [Accepted: 12/18/2014] [Indexed: 11/20/2022]
Abstract
Adolescents experience significant changes in various physiological and psychological domains due to changes in their brain's structure and function. A lot is known about structural changes in the brain across adolescence. However, less research has investigated changes in brain function during this period. In this study, we tracked the maturation of the auditory mismatch negativity (MMN) and P3a brain responses - both posited as neural indices of auditory discrimination - in 90 adolescents aged 10-18 years. We found that P3a mean amplitude and latency decreased significantly across adolescence, but there was no reliable change in the MMN. These results suggest that neural processes associated with passive auditory processing continue to develop well into adolescence.
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32
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Lodhia V, Brock J, Johnson BW, Hautus MJ. Reduced object related negativity response indicates impaired auditory scene analysis in adults with autistic spectrum disorder. PeerJ 2014; 2:e261. [PMID: 24688845 PMCID: PMC3940479 DOI: 10.7717/peerj.261] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 01/15/2014] [Indexed: 11/20/2022] Open
Abstract
Auditory Scene Analysis provides a useful framework for understanding atypical auditory perception in autism. Specifically, a failure to segregate the incoming acoustic energy into distinct auditory objects might explain the aversive reaction autistic individuals have to certain auditory stimuli or environments. Previous research with non-autistic participants has demonstrated the presence of an Object Related Negativity (ORN) in the auditory event related potential that indexes pre-attentive processes associated with auditory scene analysis. Also evident is a later P400 component that is attention dependent and thought to be related to decision-making about auditory objects. We sought to determine whether there are differences between individuals with and without autism in the levels of processing indexed by these components. Electroencephalography (EEG) was used to measure brain responses from a group of 16 autistic adults, and 16 age- and verbal-IQ-matched typically-developing adults. Auditory responses were elicited using lateralized dichotic pitch stimuli in which inter-aural timing differences create the illusory perception of a pitch that is spatially separated from a carrier noise stimulus. As in previous studies, control participants produced an ORN in response to the pitch stimuli. However, this component was significantly reduced in the participants with autism. In contrast, processing differences were not observed between the groups at the attention-dependent level (P400). These findings suggest that autistic individuals have difficulty segregating auditory stimuli into distinct auditory objects, and that this difficulty arises at an early pre-attentive level of processing.
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Affiliation(s)
- Veema Lodhia
- Research Centre for Cognitive Neuroscience, School of Psychology, The University of Auckland , New Zealand
| | - Jon Brock
- ARC Centre of Excellence in Cognition and its Disorders , Australia ; Department of Cognitive Science, Macquarie University , Sydney , Australia
| | - Blake W Johnson
- ARC Centre of Excellence in Cognition and its Disorders , Australia ; Department of Cognitive Science, Macquarie University , Sydney , Australia
| | - Michael J Hautus
- Research Centre for Cognitive Neuroscience, School of Psychology, The University of Auckland , New Zealand
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33
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Ruhnau P, Herrmann B, Maess B, Brauer J, Friederici AD, Schröger E. Processing of complex distracting sounds in school-aged children and adults: evidence from EEG and MEG data. Front Psychol 2013; 4:717. [PMID: 24155730 PMCID: PMC3800842 DOI: 10.3389/fpsyg.2013.00717] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 09/18/2013] [Indexed: 11/25/2022] Open
Abstract
When a perceiver performs a task, rarely occurring sounds often have a distracting effect on task performance. The neural mismatch responses in event-related potentials to such distracting stimuli depend on age. Adults commonly show a negative response, whereas in children a positive as well as a negative mismatch response has been reported. Using electro- and magnetoencephalography (EEG/MEG), here we investigated the developmental changes of distraction processing in school-aged children (9–10 years) and adults. Participants took part in an auditory-visual distraction paradigm comprising a visuo-spatial primary task and task-irrelevant environmental sounds distracting from this task. Behaviorally, distractors delayed reaction times (RTs) in the primary task in both age groups, and this delay was of similar magnitude in both groups. The neurophysiological data revealed an early as well as a late mismatch response elicited by distracting stimuli in both age groups. Together with previous research, this indicates that deviance detection is accomplished in a hierarchical manner in the auditory system. Both mismatch responses were localized to auditory cortex areas. All mismatch responses were generally delayed in children, suggesting that not all neurophysiological aspects of deviance processing are mature in school-aged children. Furthermore, the P3a, reflecting involuntary attention capture, was present in both age groups in the EEG with comparable amplitudes and at similar latencies, but with a different topographical distribution. This suggests that involuntary attention shifts toward complex distractors operate comparably in school-aged children and adults, yet undergoing generator maturation.
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Affiliation(s)
- Philipp Ruhnau
- Center for Mind/Brain Science, University of Trento Mattarello, Italy ; Institute of Psychology, University of Leipzig Leipzig, Germany
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Badcock NA, Mousikou P, Mahajan Y, de Lissa P, Thie J, McArthur G. Validation of the Emotiv EPOC(®) EEG gaming system for measuring research quality auditory ERPs. PeerJ 2013; 1:e38. [PMID: 23638374 PMCID: PMC3628843 DOI: 10.7717/peerj.38] [Citation(s) in RCA: 235] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2012] [Accepted: 01/22/2013] [Indexed: 11/20/2022] Open
Abstract
Background. Auditory event-related potentials (ERPs) have proved useful in investigating the role of auditory processing in cognitive disorders such as developmental dyslexia, specific language impairment (SLI), attention deficit hyperactivity disorder (ADHD), schizophrenia, and autism. However, laboratory recordings of auditory ERPs can be lengthy, uncomfortable, or threatening for some participants - particularly children. Recently, a commercial gaming electroencephalography (EEG) system has been developed that is portable, inexpensive, and easy to set up. In this study we tested if auditory ERPs measured using a gaming EEG system (Emotiv EPOC(®), www.emotiv.com) were equivalent to those measured by a widely-used, laboratory-based, research EEG system (Neuroscan). Methods. We simultaneously recorded EEGs with the research and gaming EEG systems, whilst presenting 21 adults with 566 standard (1000 Hz) and 100 deviant (1200 Hz) tones under passive (non-attended) and active (attended) conditions. The onset of each tone was marked in the EEGs using a parallel port pulse (Neuroscan) or a stimulus-generated electrical pulse injected into the O1 and O2 channels (Emotiv EPOC(®)). These markers were used to calculate research and gaming EEG system late auditory ERPs (P1, N1, P2, N2, and P3 peaks) and the mismatch negativity (MMN) in active and passive listening conditions for each participant. Results. Analyses were restricted to frontal sites as these are most commonly reported in auditory ERP research. Intra-class correlations (ICCs) indicated that the morphology of the research and gaming EEG system late auditory ERP waveforms were similar across all participants, but that the research and gaming EEG system MMN waveforms were only similar for participants with non-noisy MMN waveforms (N = 11 out of 21). Peak amplitude and latency measures revealed no significant differences between the size or the timing of the auditory P1, N1, P2, N2, P3, and MMN peaks. Conclusions. Our findings suggest that the gaming EEG system may prove a valid alternative to laboratory ERP systems for recording reliable late auditory ERPs (P1, N1, P2, N2, and the P3) over the frontal cortices. In the future, the gaming EEG system may also prove useful for measuring less reliable ERPs, such as the MMN, if the reliability of such ERPs can be boosted to the same level as late auditory ERPs.
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Affiliation(s)
- Nicholas A Badcock
- ARC Centre of Excellence in Cognition and its Disorders, Macquarie University , Sydney, NSW , Australia
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