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Otten K, Edgar JC, Green HL, Mol K, McNamee M, Kuschner ES, Kim M, Liu S, Huang H, Nordt M, Konrad K, Chen Y. The maturation of infant and toddler visual cortex neural activity and associations with fine motor performance. Dev Cogn Neurosci 2025; 71:101501. [PMID: 39733499 PMCID: PMC11743914 DOI: 10.1016/j.dcn.2024.101501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 12/13/2024] [Accepted: 12/22/2024] [Indexed: 12/31/2024] Open
Abstract
Our understanding of how visual cortex neural processes mature during infancy and toddlerhood is limited. Using magnetoencephalography (MEG), the present study investigated the development of visual evoked responses (VERs) in cross-sectional and longitudinal samples of infants and toddlers 2 months to 3 years. Brain space analyses focused on N1m and P1m latency, as well as N1m-to-P1m amplitude. Associations between VER measures and developmental quotient (DQ) scores in the cognitive/visual and fine motor domains were also examined. Results showed a nonlinear decrease in N1m and P1m latency as a function of age, characterized by rapid changes followed by slower progression, with the N1m latency plateauing at 6-7 months and the P1m latency plateauing at 8-9 months. The N1m-to-P1m amplitude also exhibited a non-linear decrease, with strong responses observed in younger infants (∼2-3 months) and then a gradual decline. Associations between N1m and P1m latency and fine motor DQ scores were observed, suggesting that infants with faster visual processing may be better equipped to perform fine motor tasks. The present findings advance our understanding of the maturation of the infant visual system and highlight the relationship between the maturation of the visual system and fine motor skills.
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Affiliation(s)
- Katharina Otten
- Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Faculty of Medicine, RWTH Aachen University, Aachen 52074, Germany; Department of Psychiatry, Psychotherapy and Psychosomatics, Faculty of Medicine, RWTH Aachen University, Aachen, Germany.
| | - J Christopher Edgar
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Heather L Green
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Kylie Mol
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Marybeth McNamee
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Emily S Kuschner
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Mina Kim
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Song Liu
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Hao Huang
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA; Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Marisa Nordt
- Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Faculty of Medicine, RWTH Aachen University, Aachen 52074, Germany; JARA-Brain Institute II, Molecular Neuroscience and Neuroimaging (INM-11), RWTH Aachen & Research Centre Jülich, Jülich 52428, Germany
| | - Kerstin Konrad
- Child Neuropsychology Section, Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, Faculty of Medicine, RWTH Aachen University, Aachen 52074, Germany; JARA-Brain Institute II, Molecular Neuroscience and Neuroimaging (INM-11), RWTH Aachen & Research Centre Jülich, Jülich 52428, Germany
| | - Yuhan Chen
- Lurie Family Foundations MEG Imaging Center, Dept. of Radiology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
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Vannasing P, Dionne-Dostie E, Tremblay J, Paquette N, Collignon O, Gallagher A. Electrophysiological responses of audiovisual integration from infancy to adulthood. Brain Cogn 2024; 178:106180. [PMID: 38815526 DOI: 10.1016/j.bandc.2024.106180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/17/2024] [Accepted: 05/17/2024] [Indexed: 06/01/2024]
Abstract
Our ability to merge information from different senses into a unified percept is a crucial perceptual process for efficient interaction with our multisensory environment. Yet, the developmental process underlying how the brain implements multisensory integration (MSI) remains poorly known. This cross-sectional study aims to characterize the developmental patterns of audiovisual events in 131 individuals aged from 3 months to 30 years. Electroencephalography (EEG) was recorded during a passive task, including simple auditory, visual, and audiovisual stimuli. In addition to examining age-related variations in MSI responses, we investigated Event-Related Potentials (ERPs) linked with auditory and visual stimulation alone. This was done to depict the typical developmental trajectory of unisensory processing from infancy to adulthood within our sample and to contextualize the maturation effects of MSI in relation to unisensory development. Comparing the neural response to audiovisual stimuli to the sum of the unisensory responses revealed signs of MSI in the ERPs, more specifically between the P2 and N2 components (P2 effect). Furthermore, adult-like MSI responses emerge relatively late in the development, around 8 years old. The automatic integration of simple audiovisual stimuli is a long developmental process that emerges during childhood and continues to mature during adolescence with ERP latencies decreasing with age.
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Affiliation(s)
- Phetsamone Vannasing
- Neurodevelopmental Optical Imaging Laboratory (LION Lab), Sainte-Justine University Hospital Research Centre, Montreal, QC, Canada.
| | - Emmanuelle Dionne-Dostie
- Neurodevelopmental Optical Imaging Laboratory (LION Lab), Sainte-Justine University Hospital Research Centre, Montreal, QC, Canada.
| | - Julie Tremblay
- Neurodevelopmental Optical Imaging Laboratory (LION Lab), Sainte-Justine University Hospital Research Centre, Montreal, QC, Canada.
| | - Natacha Paquette
- Neurodevelopmental Optical Imaging Laboratory (LION Lab), Sainte-Justine University Hospital Research Centre, Montreal, QC, Canada.
| | - Olivier Collignon
- Institute of Psychology (IPSY) and Institute of Neuroscience (IoNS), Université Catholique de Louvain, Louvain-La-Neuve, Belgium; School of Health Sciences, HES-SO Valais-Wallis, The Sense Innovation and Research Center, Lausanne and Sion, Switzerland.
| | - Anne Gallagher
- Neurodevelopmental Optical Imaging Laboratory (LION Lab), Sainte-Justine University Hospital Research Centre, Montreal, QC, Canada; Cerebrum, Department of Psychology, University of Montreal, Montreal, Qc, Canada.
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Otten K, Edgar JC, Green HL, Mol K, McNamee M, Kuschner ES, Kim M, Liu S, Huang H, Nordt M, Konrad K, Chen Y. The maturation of infant and toddler visual cortex neural activity and associations with fine motor performance. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.11.598480. [PMID: 38915536 PMCID: PMC11195154 DOI: 10.1101/2024.06.11.598480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Our understanding of how visual cortex neural processes mature during infancy and toddlerhood is limited. Using magnetoencephalography (MEG), the present study investigated the development of visual evoked responses (VERs) in both cross-sectional and longitudinal samples of infants and toddlers 2 months to 3 years. Brain space analyses focused on N1m and P1m latency, as well as the N1m-to-P1m amplitude. Associations between VER measures and developmental quotient (DQ) scores in the cognitive/visual and fine motor domains were also examined. Results showed a nonlinear decrease in N1m and P1m latency as a function of age, characterized by rapid changes followed by slower progression, with the N1m latency plateauing at 6-7 months and the P1m latency plateauing at 8-9 months. The N1m-to-P1m amplitude also exhibited a non-linear decrease, with strong responses observed in younger infants (∼2-3 months) and then a gradual decline. Associations between N1m and P1m latency and fine motor DQ scores were observed, suggesting that infants with faster visual processing may be better equipped to perform fine motor tasks. The present findings advance our understanding of the maturation of the infant visual system and highlight the relationship between the maturation of visual system and fine motor skills. Highlights The infant N1m and P1m latency shows a nonlinear decrease.N1m latency decreases precede P1m latency decreases.N1m-to-P1m amplitude shows a nonlinear decrease, with stronger responses in younger than older infants.N1m and P1m latency are associated with fine motor DQ.
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Ingvaldsen SH, Moljord K, Grøtting A, Omland PM, Dammann O, Austeng D, Morken TS. Retinal structure and visual pathway function at school age in children born extremely preterm: a population-based study. BMC Ophthalmol 2023; 23:296. [PMID: 37393251 DOI: 10.1186/s12886-023-03055-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/21/2023] [Indexed: 07/03/2023] Open
Abstract
BACKGROUND Children born extremely preterm (gestational age < 28 weeks) show reduced visual function even without any cerebral or ophthalmological neonatal diagnosis. In this study, we aimed to assess the retinal structure with optical coherence tomography (OCT) and visual function with pattern-reversal visual evoked potentials (PR-VEPs) in a geographically defined population-based cohort of school-aged children born extremely preterm. Moreover, we aimed to explore the association between measures of retinal structure and visual pathway function in this cohort. METHODS All children born extremely preterm from 2006-2011 (n = 65) in Central Norway were invited to participate. Thirty-six children (55%) with a median age of 13 years (range = 10-16) were examined with OCT, OCT-angiography (OCT-A), and PR-VEPs. The foveal avascular zone (FAZ) and circularity, central macular vascular density, and flow were measured on OCT-A images. Central retinal thickness, circumpapillary retinal nerve fibre layer (RNFL) and inner plexiform ganglion cell layer (IPGCL) thickness were measured on OCT images. The N70-P100 peak-to-peak amplitude and N70 and P100 latencies were assessed from PR-VEPs. RESULTS Participants displayed abnormal retinal structure and P100 latencies (≥ 2 SD) compared to reference populations. Moreover, there was a negative correlation between P100 latency in large checks and RNFL (r = -.54, p = .003) and IPGCL (r = -.41, p = .003) thickness. The FAZ was smaller (p = .003), macular vascular density (p = .006) and flow were higher (p = .004), and RNFL (p = .006) and IPGCL (p = .014) were thinner in participants with ROP (n = 7). CONCLUSION Children born extremely preterm without preterm brain injury sequelae have signs of persistent immaturity of retinal vasculature and neuroretinal layers. Thinner neuroretinal layers are associated with delayed P100 latency, prompting further exploration of the visual pathway development in preterms.
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Affiliation(s)
- Sigrid Hegna Ingvaldsen
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway.
- Department of Ophthalmology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
| | - Kyrre Moljord
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway
- Department of Ophthalmology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Arnstein Grøtting
- Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Petter Moe Omland
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway
- Department of Neurology and Clinical Neurophysiology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Olaf Dammann
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway
- Department of Public Health and Community Medicine, Tufts University School of Medicine, Boston, MA, USA
- Department of Gynecology and Obstetrics, Hannover Medical School, Hannover, Germany
| | - Dordi Austeng
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway
- Department of Ophthalmology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
| | - Tora Sund Morken
- Department of Neuromedicine and Movement Science, NTNU Norwegian University of Science and Technology, Trondheim, Norway
- Department of Ophthalmology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway
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de Vries LM, Amelynck S, Nyström P, van Esch L, Van Lierde T, Warreyn P, Roeyers H, Noens I, Naulaers G, Boets B, Steyaert J. Investigating the development of the autonomic nervous system in infancy through pupillometry. J Neural Transm (Vienna) 2023; 130:723-734. [PMID: 36906867 PMCID: PMC10008146 DOI: 10.1007/s00702-023-02616-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 02/27/2023] [Indexed: 03/13/2023]
Abstract
We aim to investigate early developmental trajectories of the autonomic nervous system (ANS) as indexed by the pupillary light reflex (PLR) in infants with (i.e. preterm birth, feeding difficulties, or siblings of children with autism spectrum disorder) and without (controls) increased likelihood for atypical ANS development. We used eye-tracking to capture the PLR in 216 infants in a longitudinal follow-up study spanning 5 to 24 months of age, and linear mixed models to investigate effects of age and group on three PLR parameters: baseline pupil diameter, latency to constriction and relative constriction amplitude. An increase with age was found in baseline pupil diameter (F(3,273.21) = 13.15, p < 0.001, [Formula: see text] = 0.13), latency to constriction (F(3,326.41) = 3.84, p = 0.010, [Formula: see text] = 0.03) and relative constriction amplitude(F(3,282.53) = 3.70, p = 0.012, [Formula: see text] = 0.04). Group differences were found for baseline pupil diameter (F(3,235.91) = 9.40, p < 0.001, [Formula: see text] = 0.11), with larger diameter in preterms and siblings than in controls, and for latency to constriction (F(3,237.10) = 3.48, p = 0.017, [Formula: see text] = 0.04), with preterms having a longer latency than controls. The results align with previous evidence, with development over time that could be explained by ANS maturation. To better understand the cause of the group differences, further research in a larger sample is necessary, combining pupillometry with other measures to further validate its value.
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Affiliation(s)
- Lyssa M de Vries
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Herestraat 49 Box 1029, 3000, Louvain, Belgium.
- University Hospital Leuven, Louvain, Belgium.
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium.
| | - Steffie Amelynck
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Herestraat 49 Box 1029, 3000, Louvain, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium
| | - Pär Nyström
- Developmental Psychology, Department of Psychology, Uppsala University, Uppsala, Sweden
| | - Lotte van Esch
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium
- Parenting and Special Education Research Unit, Faculty of Psychology and Educational Sciences, KU Leuven, Louvain, Belgium
| | - Thijs Van Lierde
- RIDDL Lab, Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Petra Warreyn
- RIDDL Lab, Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Herbert Roeyers
- RIDDL Lab, Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Ilse Noens
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium
- Parenting and Special Education Research Unit, Faculty of Psychology and Educational Sciences, KU Leuven, Louvain, Belgium
| | - Gunnar Naulaers
- University Hospital Leuven, Louvain, Belgium
- Woman and Child, Department of Development and Regeneration, KU Leuven, Louvain, Belgium
| | - Bart Boets
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Herestraat 49 Box 1029, 3000, Louvain, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium
| | - Jean Steyaert
- Center for Developmental Psychiatry, Department of Neurosciences, KU Leuven, Herestraat 49 Box 1029, 3000, Louvain, Belgium
- University Hospital Leuven, Louvain, Belgium
- Leuven Autism Research (LAuRes), KU Leuven, Louvain, Belgium
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Borge Blystad J, van der Meer ALH. Longitudinal study of infants receiving extra motor stimulation, full‐term control infants, and infants born preterm: High‐density EEG analyses of cortical activity in response to visual motion. Dev Psychobiol 2022; 64:e22276. [PMID: 35603414 PMCID: PMC9325384 DOI: 10.1002/dev.22276] [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: 10/22/2021] [Revised: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 11/23/2022]
Abstract
Electroencephalography was used to investigate the effects of extrastimulation and preterm birth on the development of visual motion perception during early infancy. Infants receiving extra motor stimulation in the form of baby swimming, a traditionally raised control group, and preterm born infants were presented with an optic flow pattern simulating forward and reversed self‐motion and unstructured random visual motion before and after they achieved self‐produced locomotion. Extrastimulated infants started crawling earlier and displayed significantly shorter N2 latencies in response to visual motion than their full‐term and preterm peers. Preterm infants could not differentiate between visual motion conditions, nor did they significantly decrease their latencies with age and locomotor experience. Differences in induced activities were also observed with desynchronized theta‐band activity in all infants, but with more mature synchronized alpha–beta band activity only in extrastimulated infants after they had become mobile. Compared with the other infants, preterm infants showed more widespread desynchronized oscillatory activities at lower frequencies at the age of 1 year (corrected for prematurity). The overall advanced performance of extrastimulated infants was attributed to their enriched motor stimulation. The poorer responses in the preterm infants could be related to impairment of the dorsal visual stream that is specialized in the processing of visual motion.
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Affiliation(s)
- Julie Borge Blystad
- Developmental Neuroscience Laboratory Department of Psychology Norwegian University of Science and Technology (NTNU) Trondheim Norway
| | - Audrey L. H. van der Meer
- Developmental Neuroscience Laboratory Department of Psychology Norwegian University of Science and Technology (NTNU) Trondheim Norway
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Ophthalmological Impairments at Five and a Half Years after Preterm Birth: EPIPAGE-2 Cohort Study. J Clin Med 2022; 11:jcm11082139. [PMID: 35456232 PMCID: PMC9027367 DOI: 10.3390/jcm11082139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/25/2022] [Accepted: 04/10/2022] [Indexed: 11/17/2022] Open
Abstract
We report the 51/2 year prevalence of visual and oculomotor impairments in preterm children born at 24−34 weeks’ gestation (WG) using the population-based cohort study EPIPAGE-2, set in France, 2011. The main outcomes were imputed prevalence of refractive errors (REs), strabismus, and binocular visual acuity (VA). Children were clinically assessed by specially trained pediatricians. The population was also analyzed in terms of cerebral palsy at 51/2 years (no CP, stage 1, stage 2, or stage 3−5) and retinopathy of prematurity in the neonatal period (no ROP, stage 1 or 2, or severe ROP). Among the 4441 children included, 2718 (weighted percentage 58.7%) were clinically assessed. REs were reported in 43.1% (95% confidence interval 37.6−48.4), 35.2% (32.7−37.6), and 28.4% (25.0−31.8) of children born at 24−26, 27−31, and 32−34 WG (p < 0.01), respectively; strabismus rates were 19.5% (14.6−24.4), 14.8% (12.9−16.7), and 8.3% (6.2−10.4) (p < 0.001), respectively. Moderate/severe visual deficiencies (VA < 3.2/10) were present in 1.7% (0.2−3.3) of children born at 24−26 WG, and in less than 1% in other groups. A suboptimal VA 5/10−6.3/10 was measured in 40.6% (35.3−45.8) of children born at 24−26 WG, 35.8% (33.5−38.1) at 27−31 WG, and 33.7% (30.4−37.0) at 32−34 WG. CP and ROP were associated with strabismus and RE. The association between CP and VA was strong, while it was not observed for ROP. In this large cohort of preterm-born children, we found a high prevalence of RE and strabismus regardless of WG, supporting the need for specific attention in this population. High prevalence of suboptimal VA could be challenging for these children at the age of reading and writing acquisition.
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Levinsen M, Børresen ML, Roos L, Grønskov K, Kessel L. Causes of poor eye contact in infants: a population-based study. BMC Ophthalmol 2021; 21:388. [PMID: 34743689 PMCID: PMC8572507 DOI: 10.1186/s12886-021-02151-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 10/15/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Establishing eye contact between infants and parents is important for early parent-child bonding and lack of eye contact may be a sign of severe underlying disease. The aim of the study was to evaluate the causes of poor or lacking eye contact in infants. METHODS Cross-sectional study reviewing all referrals of infants ≤1 year of age from January 1rst, 2016 to December 31rst, 2018. Medical information was retrieved from patient files covering pregnancy, birth, diagnostic work-up and ocular parameters such as refraction, visual acuity and structural findings. RESULTS We identified 99 infants with poor or lacking eye contact. The relative frequency of causes was neurologic disease 36.4% (36/99), delayed visual maturation 24.2% (24/99), ocular disease 21.2% (21/99) and idiopathic infantile nystagmus 4.0% (4/99). Fourteen infants had a visual function within age-related norms at first examination despite poor eye contact at the time of referral. Of the infants with available data, 18/27 (33.3%) with neurologic cause, 15/23 (65.2%) with delayed visual maturation and 9/21 (42.9%) with ocular cause had visual acuity within the age-related norm at latest follow-up (0-41 months). In 23 infants, a genetic cause was found. CONCLUSION Poor eye contact in infants may be a sign of severe underlying disease, such as neurological or ocular disease. Close collaboration between pediatric ophthalmologists and neuro-pediatricians are warranted in the management of these infants.
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Affiliation(s)
- Mette Levinsen
- Department of Ophthalmology, Rigshospitalet, Valdemar Hansens Vej 13, 2600, Glostrup, Denmark.
| | | | - Laura Roos
- Department of Clinical Genetics, Rigshospitalet, Copenhagen, Denmark
| | - Karen Grønskov
- Department of Clinical Genetics, Rigshospitalet, Copenhagen, Denmark
| | - Line Kessel
- Department of Ophthalmology, Rigshospitalet, Valdemar Hansens Vej 13, 2600, Glostrup, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Imafuku M, Kawai M, Niwa F, Shinya Y, Myowa M. Longitudinal assessment of social attention in preterm and term infants: Its relation to social communication and language outcome. INFANCY 2021; 26:617-634. [PMID: 33856110 DOI: 10.1111/infa.12402] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 02/10/2021] [Accepted: 02/28/2021] [Indexed: 11/26/2022]
Abstract
Preterm birth has been reported to be associated with an increased risk of social communication and language problems. Recently, we found that preterm infants showed atypical patterns of social attention compared with term infants. However, it is still unknown how social attention develops and whether the individual differences are associated with developmental outcomes for social communication and language in preterm infants. The social attention of preterm and term infants at 6, 12, and 18 months was investigated using two types of social attention tasks (human-geometric preference task and gaze-following task). The Modified Checklist for Autism in Toddlers (M-CHAT) and the MacArthur Communicative Development Inventory adapted for Japanese were measured at 18 months. We found that compared with term infants, preterm infants spent less time looking toward dynamic human images and followed another's gaze directions less frequently through 6, 12, and 18 months. Moreover, hierarchical multiple regression analysis revealed that less preference for dynamic human images and gaze-following abilities was associated with high M-CHAT and low language scores in preterm and term infants, respectively. These findings suggest that birth status affects development of social attention through 18 months and individual differences in social attention reflect differences in social communication and language outcomes.
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Affiliation(s)
- Masahiro Imafuku
- Department of Early Childhood Education and Care, Faculty of Education, Musashino University, Tokyo, Japan
| | - Masahiko Kawai
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Fusako Niwa
- Department of Pediatrics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yuta Shinya
- Graduate School of Education, The University of Tokyo, Tokyo, Japan
| | - Masako Myowa
- Graduate School of Education, Kyoto University, Kyoto, Japan
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Hever F, Sahin D, Aschenbrenner S, Bossert M, Herwig K, Wirtz G, Oelkers-Ax R, Weisbrod M, Sharma A. Visual N80 latency as a marker of neuropsychological performance in schizophrenia: Evidence for bottom-up cognitive models. Clin Neurophysiol 2021; 132:872-885. [PMID: 33636604 DOI: 10.1016/j.clinph.2021.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 12/14/2020] [Accepted: 01/05/2021] [Indexed: 10/22/2022]
Abstract
OBJECTIVE Cognitive deficits and visual impairment in the magnocellular (M) pathway, have been independently reported in schizophrenia. The current study examined the association between neuropsychological (NPS) performance and visual evoked potentials (VEPs: N80/P1 to M- and P(parvocellular)-biased visual stimuli) in schizophrenia and healthy controls. METHODS NPS performance and VEPs were measured in n = 44 patients and n = 34 matched controls. Standardized NPS-scores were combined into Domains and a PCA (Principal Component Analysis) generated Composite. Group differences were assessed via (M)ANOVAs, association between NPS and VEP parameters via PCA, Pearson's coefficient and bootstrapping. Logistic regression was employed to assess classification power. RESULTS Patients showed general cognitive impairment, whereas group differences for VEP-parameters were non-significant. In patients, N80 latency across conditions loaded onto one factor with cognitive composite, showed significant negative correlations of medium effect sizes with NPS performance for M/P mixed stimuli and classified low and high performance with 70% accuracy. CONCLUSION The study provides no evidence for early visual pathway impairment but suggests a heightened association between early visual processing and cognitive performance in schizophrenia. SIGNIFICANCE Our results lend support to bottom-up models of cognitive function in schizophrenia and implicate visual N80 latency as a potential biomarker of cognitive deficits in schizophrenia.
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Affiliation(s)
- Felix Hever
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany.
| | - Derya Sahin
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
| | - Steffen Aschenbrenner
- Department of Psychiatry and Psychotherapy, SRH Hospital Karlsbad-Langensteinbach, Germany
| | - Magdalena Bossert
- Department of Psychiatry and Psychotherapy, SRH Hospital Karlsbad-Langensteinbach, Germany
| | - Kerstin Herwig
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
| | - Gustav Wirtz
- SRH RPK Karlsbad, Psychiatric Rehabilitation, Karlsbad-Langensteinbach, Germany
| | - Rieke Oelkers-Ax
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
| | - Matthias Weisbrod
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany; Department of Psychiatry and Psychotherapy, SRH Hospital Karlsbad-Langensteinbach, Germany
| | - Anuradha Sharma
- Research Group Neurocognition, Department of General Psychiatry, Centre for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
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Cavalcanti HG, da Silva Nunes AD, da Cunha BKS, de Freitas Alvarenga K, Balen SA, Pereira A. Early exposure to environment sounds and the development of cortical auditory evoked potentials of preterm infants during the first 3 months of life. BMC Res Notes 2020; 13:303. [PMID: 32586405 PMCID: PMC7318486 DOI: 10.1186/s13104-020-05129-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 06/04/2020] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVE Preterm infants are exposed earlier than their term counterparts to unattenuated sounds from the external environment during the sensitive period of the organization of the auditory cortical circuitry. In the current study, we investigate the effect of preterm birth on the course of development of auditory cortical areas by evaluating how gestational age (GA) correlates with the latency of the P1 component of the cortical auditory evoked potential (CAEP) of two experimental groups measured at 1 or 3 months of age. RESULTS Our sample consisted of 23 infants delivered at GA ranging from 31.28 to 41.42 weeks and separated into two groups evaluated transversally at 1 or 3 months of corrected age (CA). In the group evaluated at 1-month CA, the latency of the component P1 was similar in both terms and infants classified as late-preterm (GA > 32 weeks). However, in the group evaluated at 3 months CA, P1 latency was significantly smaller in preterms. These preliminary results suggest an acceleration of the development of auditory cortical pathways in preterms, probably due to their early exposure to socially relevant auditory stimuli from the external environment.
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Affiliation(s)
- Hannalice Gottschalck Cavalcanti
- Department of Speech and Language Pathology, Federal University of Paraíba, Cidade Universitária, S/N - Conj. Pres. Castelo Branco III, João Pessoa, PB, 58051-900, Brazil
| | - Aryelly Dayane da Silva Nunes
- Speech and Language Pathology Graduate Program, Federal University of Rio Grande do Norte, Rua Gen. Gustavo Cordeiro de Farias, S/N, Natal, RN, 59012-570, Brazil
| | - Brenda Karla Silva da Cunha
- Speech and Language Pathology Graduate Program, Federal University of Rio Grande do Norte, Rua Gen. Gustavo Cordeiro de Farias, S/N, Natal, RN, 59012-570, Brazil
| | - Kátia de Freitas Alvarenga
- Department of Speech and Language Pathology, University of São Paulo, Alameda Dr. Octávio Pinheiro Brisolla, 9-75, Bauru, SP, 17012-901, Brazil
| | - Sheila Andreoli Balen
- Department of Speech and Language Pathology, Federal University of Rio Grande do Norte, Rua Gen. Gustavo Cordeiro de Farias, S/N, Natal, RN, 59012-570, Brazil
| | - Antonio Pereira
- Department of Electrical and Biomedical Engineering, Institute of Technology, Federal University of Pará, Rua Augusto Correa, S/N, Belém, PA, 66075-110, Brazil.
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12
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Stroustrup A, Bragg JB, Spear EA, Aguiar A, Zimmerman E, Isler JR, Busgang SA, Curtin PC, Gennings C, Andra SS, Arora M. Cohort profile: the Neonatal Intensive Care Unit Hospital Exposures and Long-Term Health (NICU-HEALTH) cohort, a prospective preterm birth cohort in New York City. BMJ Open 2019; 9:e032758. [PMID: 31772104 PMCID: PMC6887035 DOI: 10.1136/bmjopen-2019-032758] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/31/2019] [Accepted: 11/01/2019] [Indexed: 01/25/2023] Open
Abstract
PURPOSE The Neonatal Intensive Care Unit Hospital Exposures and Long-Term Health (NICU-HEALTH) longitudinal preterm birth cohort studies the impact of the NICU exposome on early-life development. NICU-HEALTH collects multiple biospecimens, complex observational and survey data and comprehensive multisystem outcome assessments to allow measurement of the impact of modifiable environmental exposures during the preterm period on neurodevelopmental, pulmonary and growth outcomes. PARTICIPANTS Moderately preterm infants without genetic or congenital anomalies and their mothers are recruited from an urban academic medical centre level IV NICU in New York City, New York, USA. Recruitment began in 2011 and continues through multiple enrolment phases to the present with goal enrolment of 400 infants. Follow-up includes daily data collection throughout the NICU stay and six follow-up visits in the first 2 years. Study retention is 77% to date, with the oldest patients turning age 8 in 2019. FINDINGS TO DATE NICU-HEALTH has already contributed significantly to our understanding of phthalate exposure in the NICU. Phase I produced the first evidence of the clinical impact of phthalate exposure in the NICU population. Further study identified specific sources of exposure to clinically relevant phthalate mixtures in the NICU. FUTURE PLANS Follow-up from age 3 to 12 is co-ordinated through integration with the Environmental Influences on Child Health Outcomes (ECHO) programme. The NICU-HEALTH cohort will generate a wealth of biomarker, clinical and outcome data from which future studies of the impact of early-life chemical and non-chemical environmental exposures can benefit. Findings from study of this cohort and other collaborating environmental health cohorts will likely translate into improvements in the hospital environment for infant development. TRIAL REGISTRATION NUMBERS This observational cohort is registered with ClinicalTrials.gov (NCT01420029 and NCT01963065).
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Affiliation(s)
- Annemarie Stroustrup
- Pediatrics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Jennifer B Bragg
- Pediatrics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Emily A Spear
- Pediatrics, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Andrea Aguiar
- Beckman Institute, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Emily Zimmerman
- Communication Sciences and Disorders, Northeastern University, Boston, Massachusetts, USA
| | - Joseph R Isler
- Pediatrics, Columbia University, New York City, New York, USA
| | - Stefanie A Busgang
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Paul C Curtin
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Chris Gennings
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Syam S Andra
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Manish Arora
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
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13
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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: 0.5] [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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The impact of extrauterine life on visual maturation in extremely preterm born infants. Pediatr Res 2018; 84:403-410. [PMID: 29967524 DOI: 10.1038/s41390-018-0084-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 05/22/2018] [Accepted: 05/25/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND Extrauterine life is an important factor when considering brain maturation. Few studies have investigated the development of visual evoked potentials (VEP) in extremely preterm infants, and only a minority have taken into consideration the impact of extrauterine life. The aim of this study was to assess the normal maturation of VEP in infants born prior to 29 weeks gestational age (GA) and to explore the potential influence of extrauterine life. METHODS VEP were prospectively recorded in extremely preterm infants, and principal peaks (N0, N1, P1, N2, P2, N3) were identified. The mean of peak-time and percentages of peak appearances were assessed for three GA groups (23/24, 25/26, 27/28 weeks) and four subgroups of increasing postnatal age (PNA), up to 8 weeks after birth. RESULTS A total of 163 VEP recordings in 38 preterm infants were analyzed. With increasing GA at birth, peak-times decreased. When comparing infants with equal GA but longer extrauterine life, those with the highest PNA demonstrated the shortest VEP peak-times. However, this effect was less present in infants born prior to 25 weeks GA. CONCLUSION Provided that a certain maturational threshold is reached, extrauterine life appears to accelerate maturation of the visual system in preterm infants.
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15
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Distinct hemispheric specializations for native and non-native languages in one-day-old newborns identified by fNIRS. Neuropsychologia 2016; 84:63-9. [DOI: 10.1016/j.neuropsychologia.2016.01.038] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Revised: 12/23/2015] [Accepted: 01/29/2016] [Indexed: 10/22/2022]
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16
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Imafuku M, Kawai M, Niwa F, Shinya Y, Inagawa M, Myowa‐Yamakoshi M. Preference for Dynamic Human Images and Gaze‐Following Abilities in Preterm Infants at 6 and 12 Months of Age: An Eye‐Tracking Study. INFANCY 2016; 22:223-239. [DOI: 10.1111/infa.12144] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 02/19/2016] [Accepted: 02/29/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Masahiro Imafuku
- Graduate School of Education Kyoto University
- Japan Society for the Promotion of Science
| | - Masahiko Kawai
- Department of Pediatrics Graduate School of Medicine Kyoto University
| | - Fusako Niwa
- Department of Pediatrics Graduate School of Medicine Kyoto University
| | - Yuta Shinya
- Graduate School of Education Kyoto University
- Japan Society for the Promotion of Science
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17
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Paquette N, Vannasing P, Tremblay J, Lefebvre F, Roy MS, McKerral M, Lepore F, Lassonde M, Gallagher A. Early electrophysiological markers of atypical language processing in prematurely born infants. Neuropsychologia 2015; 79:21-32. [DOI: 10.1016/j.neuropsychologia.2015.10.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 09/10/2015] [Accepted: 10/12/2015] [Indexed: 11/16/2022]
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18
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Early childhood development of visual texture segregation in full-term and preterm children. Vision Res 2015; 112:1-10. [PMID: 25976298 DOI: 10.1016/j.visres.2015.04.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Revised: 04/22/2015] [Accepted: 04/23/2015] [Indexed: 11/20/2022]
Abstract
To date, very little is known about the normal development trajectory of visual texture segregation, or how it is affected by preterm birth. The goal of this study was to characterize the development of visual texture segregation using texture segregation visual evoked potentials (tsVEPs) in children born full-term and children born preterm without major neurological impairment. Forty-five full-term and 43 preterm children were tested at either 12, 24 or 36 months of age (corrected age for prematurity at 12 and 24 months old). VEPs were obtained using two lower-level stimuli defined by orientation (oriVEP) and two higher-level stimuli defined by texture (texVEP). TsVEP was obtained by dividing by two the subtraction of oriVEP from texVEP. Results show a clear maturation of the processes underlying visual texture segregation in the full-term group, with a significant N2 latency reduction between 12 and 36 months of age for all conditions. Significant N2 amplitude reduction was observed for oriVEP between 12 and 24 months, as well as for texVEP between 12 and 24 months, and 12 and 36 months. Comparison between full-term and preterm children indicated significantly lower N2 amplitude for the preterm group at 12 months for oriVEP and texVEP. These differences were no longer apparent at 24 months of age, suggesting that children born preterm catch up with their full-term counterparts somewhere between 12 and 24 months of age. Our results appear to reflect a maturational delay in preterm children in both lower-level and higher-level visual processing during, at least, early childhood.
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19
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Sarnat HB, Philippart M, Flores-Sarnat L, Wei XC. Timing in neural maturation: arrest, delay, precociousness, and temporal determination of malformations. Pediatr Neurol 2015; 52:473-86. [PMID: 25797487 DOI: 10.1016/j.pediatrneurol.2015.01.020] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 01/29/2015] [Accepted: 01/31/2015] [Indexed: 11/30/2022]
Abstract
Timing is primordial in initiating and synchronizing each developmental process in tissue morphogenesis. Maturational arrest, delay, and precociousness all are conducive to neurological dysfunction and may determine different malformations depending on when in development the faulty timing occurred, regardless of the identification of a specific genetic mutation or an epigenetic teratogenic event. Delay and arrest are distinguished by whether further progressive development over time can be expected or the condition is static. In general, retardation of early developmental processes, such as neurulation, cellular proliferation, and migration, leads to maturational arrest. Retardation of late processes, such as synaptogenesis and myelination, are more likely to result in maturational delay. Faulty timing of neuronal maturation in relation to other developmental processes causes neurological dysfunction and abnormal electroencephalograph maturation in preterm neonates. Precocious synaptogenesis, including pruning to provide plasticity, may facilitate prenatal formation of epileptic circuitry leading to severe postnatal infantile epilepsies. The anterior commissure forms 3 weeks earlier than the corpus callosum; its presence or absence in callosal agenesis is a marker for the onset of the initial insult. An excessively thick corpus callosum may be due to delayed retraction of transitory collateral axons. Malformations that arise at different times can share a common pathogenesis with variations on the extent: timing of mitotic cycles in mosaic somatic mutations may distinguish hemimegalencephaly from focal cortical dysplasia type 2. Timing should always be considered in interpreting cerebral dysgeneses in both imaging and neuropathological diagnoses.
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Affiliation(s)
- Harvey B Sarnat
- Department of Paediatrics, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada; Department of Pathology (Neuropathology), University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada; Department of Clinical Neurosciences, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada.
| | | | - Laura Flores-Sarnat
- Department of Paediatrics, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada; Department of Clinical Neurosciences, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
| | - Xing-Chang Wei
- Department of Paediatrics, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada; Department of Radiology and Diagnostic Imaging, University of Calgary Faculty of Medicine and Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
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20
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Schmidt CSM, Lassonde M, Gagnon L, Sauerwein CH, Carmant L, Major P, Paquette N, Lepore F, Gallagher A. Neuropsychological functioning in children with temporal lobe epilepsy and hippocampal atrophy without mesial temporal sclerosis: a distinct clinical entity? Epilepsy Behav 2015; 44:17-22. [PMID: 25597528 DOI: 10.1016/j.yebeh.2014.12.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 12/17/2014] [Accepted: 12/18/2014] [Indexed: 12/26/2022]
Abstract
Unilateral hippocampal atrophy (HA) is considered as a precursor of mesial temporal sclerosis (MTS) in some patients with temporal lobe epilepsy. However, in other cases, it has been suggested that HA without MTS may constitute a distinct epileptic entity. Hippocampal atrophy without MTS was defined as HA without T2-weighted hyperintensity, loss of internal architecture, or associated lesion seen on the MRI data. To date, no study has focused on the cognitive pattern of children with epilepsy with HA without MTS. The objectives of the present study were to characterize the cognitive profile of these children and to investigate the presence (or the absence) of material-specific memory deficits in these young patients, as found in patients with MTS. Toward this end, 16 young patients with epilepsy with either left or right HA without MTS completed a set of neuropsychological tests, assessing overall intelligence, verbal memory and nonverbal memory, and some aspects of attention and executive functions. Results showed normal intellectual functioning without specific memory deficits in these patients. Furthermore, comparison between patients with left HA and patients with right HA failed to reveal a material-specific lateralized memory pattern. Instead, attention and executive functions were found to be impaired in most patients. These results suggest that HA may constitute a distinct epileptic entity, and this information may help health-care providers initiate appropriate and timely interventions.
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Affiliation(s)
- Charlotte S M Schmidt
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada; Department of Neuropsychology, Maastricht University, Universiteitssingel 40, 6229 Maastricht, The Netherlands
| | - Maryse Lassonde
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada
| | - Louise Gagnon
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Catherine H Sauerwein
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada
| | - Lionel Carmant
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Philippe Major
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Natacha Paquette
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada
| | - Franco Lepore
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada
| | - Anne Gallagher
- Centre de Recherche du CHU Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, 90 Avenue Vincent-d'Indy, Montréal, QC H2V 2S9, Canada.
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