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Helmchen C, Fellbrich A, Sprenger A. Normal visuospatial function in unilateral vestibulopathy: on the challenge of group differences within normal reference data. Front Neurol 2023; 14:1334277. [PMID: 38156088 PMCID: PMC10753768 DOI: 10.3389/fneur.2023.1334277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/27/2023] [Indexed: 12/30/2023] Open
Affiliation(s)
- Christoph Helmchen
- Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany
- Center of Brain, Behavior and Metabolism (CBBM), University of Lübeck, Lübeck, Germany
| | - Anja Fellbrich
- Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Andreas Sprenger
- Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany
- Center of Brain, Behavior and Metabolism (CBBM), University of Lübeck, Lübeck, Germany
- Institute of Psychology II, University Lübeck, Lübeck, Germany
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El Mahmoudi N, Laurent C, Péricat D, Watabe I, Lapotre A, Jacob PY, Tonetto A, Tighilet B, Sargolini F. Long-lasting spatial memory deficits and impaired hippocampal plasticity following unilateral vestibular loss. Prog Neurobiol 2023; 223:102403. [PMID: 36821981 DOI: 10.1016/j.pneurobio.2023.102403] [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: 08/03/2022] [Revised: 11/25/2022] [Accepted: 01/04/2023] [Indexed: 02/23/2023]
Abstract
Unilateral vestibular loss (UVL) induces a characteristic vestibular syndrome composed of various posturo-locomotor, oculomotor, vegetative and perceptivo-cognitive symptoms. Functional deficits are progressively recovered over time during vestibular compensation, that is supported by the expression of multiscale plasticity mechanisms. While the dynamic of post-UVL posturo-locomotor and oculomotor deficits is well characterized, the expression over time of the cognitive deficits, and in particular spatial memory deficits, is still debated. In this study we aimed at investigating spatial memory deficits and their recovery in a rat model of unilateral vestibular neurectomy (UVN), using a wide spectrum of behavioral tasks. In parallel, we analyzed markers of hippocampal plasticity involved in learning and memory. Our results indicate the UVN affects all domains of spatial memory, from working memory to reference memory and object-in-place recognition. These deficits are associated with long-lasting impaired plasticity in the ipsilesional hippocampus. These results highlight the crucial role of symmetrical vestibular information in spatial memory and contribute to a better understanding of the cognitive disorders observed in vestibular patients.
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Affiliation(s)
- Nada El Mahmoudi
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France.
| | - Célia Laurent
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France
| | - David Péricat
- Université de Toulouse Paul Sabatier -CNRS, Institut de pharmacologie et de biologie structurale, Toulouse, France
| | - Isabelle Watabe
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France
| | - Agnès Lapotre
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France
| | - Pierre-Yves Jacob
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France
| | - Alain Tonetto
- Aix Marseille Université-CNRS, Centrale Marseille, FSCM (FR 1739), PRATIM, F-13397 Marseille, France
| | - Brahim Tighilet
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France
| | - Francesca Sargolini
- Aix-Marseille Université -CNRS, Laboratoire de Neurosciences Cognitives, LNC UMR 7291, Centre Saint Charles, Case C; 3 Place Victor Hugo, 13331, Marseille Cedex 03, France.
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3
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Hearing loss versus vestibular loss as contributors to cognitive dysfunction. J Neurol 2022; 269:87-99. [PMID: 33387012 DOI: 10.1007/s00415-020-10343-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/23/2020] [Accepted: 12/04/2020] [Indexed: 02/02/2023]
Abstract
In the last 5 years, there has been a surge in evidence that hearing loss (HL) may be a risk factor for cognitive dysfunction, including dementia. At the same time, there has been an increase in the number of studies implicating vestibular loss in cognitive dysfunction. Due to the fact that vestibular disorders often present with HL and other auditory disorders such as tinnitus, it has been suggested that, in many cases, what appears to be vestibular-related cognitive dysfunction may be due to HL (e.g., Dobbels et al. Front Neurol 11:710, 2020). This review analyses the studies of vestibular-related cognitive dysfunction which have controlled HL. It is suggested that despite the fact that many studies in the area have not controlled HL, many other studies have (~ 19/44 studies or 43%). Therefore, although there is certainly a need for further studies controlling HL, there is evidence to suggest that vestibular loss is associated with cognitive dysfunction, especially related to spatial memory. This is consistent with the overwhelming evidence from animal studies that the vestibular system transmits specific types of information about self-motion to structures such as the hippocampus.
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Borel L, Honoré J, Bachelard-Serra M, Lavieille JP, Saj A. Representation of Body Orientation in Vestibular-Defective Patients Before and After Unilateral Vestibular Loss. Front Syst Neurosci 2021; 15:733684. [PMID: 34776883 PMCID: PMC8580062 DOI: 10.3389/fnsys.2021.733684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/27/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: The unilateral vestibular syndrome results in postural, oculomotor, perceptive, and cognitive symptoms. This study was designed to investigate the role of vestibular signals in body orientation representation, which remains poorly considered in vestibular patients. Methods: The subjective straight ahead (SSA) was investigated using a method disentangling translation and rotation components of error. Participants were required to align a rod with their body midline in the horizontal plane. Patients with right vestibular neurotomy (RVN; n =8) or left vestibular neurotomy (LVN; n = 13) or vestibular schwannoma resection were compared with 12 healthy controls. Patients were tested the day before surgery and during the recovery period, 7 days and 2 months after the surgery. Results: Before and after unilateral vestibular neurotomy, i.e., in the chronic phases, patients showed a rightward translation bias of their SSA, without rotation bias, whatever the side of the vestibular loss. However, the data show that the lower the translation error before neurotomy, the greater its increase 2 months after a total unilateral vestibular loss, therefore leading to a rightward translation of similar amplitude in the two groups of patients. In the early phase after surgery, SSA moved toward the operated side both in translation and in rotation, as typically found for biases occurring after unilateral vestibular loss, such as the subjective visual vertical (SVV) bias. Discussion and Conclusion: This study gives the first description of the immediate consequences and of the recovery time course of body orientation representation after a complete unilateral vestibular loss. The overall evolution differed according to the side of the lesion with more extensive changes over time before and after left vestibular loss. It is noteworthy that representational disturbances of self-orientation were highly unusual in the chronic stage after vestibular loss and similar to those reported after hemispheric lesions causing spatial neglect, while classical ipsilesional biases were reported in the acute stage. This study strongly supports the notion that the vestibular system plays a major role in body representation processes and more broadly in spatial cognition. From a clinical point of view, SSA appeared to be a reliable indicator for the presence of a vestibular disorder.
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Affiliation(s)
- Liliane Borel
- Cognitive Neurosciences Laboratory, UMR 7291, Aix Marseille University, CNRS, Marseille, France
| | - Jacques Honoré
- SCALab, UMR 9193, University of Lille, CNRS, Lille, France
| | - Mathilde Bachelard-Serra
- Department of Otorhinolaryngology, Head and Neck Surgery, Hôpital La Conception, APHM, Marseille, France.,Department of Otorhinolaryngology, Head and Neck Surgery, CHP Clairval, Marseille, France
| | - Jean-Pierre Lavieille
- Cognitive Neurosciences Laboratory, UMR 7291, Aix Marseille University, CNRS, Marseille, France.,Department of Otorhinolaryngology, Head and Neck Surgery, Hôpital La Conception, APHM, Marseille, France
| | - Arnaud Saj
- Laboratory for Behavioral Neurology and Imaging of Cognition, Department of Neuroscience, University of Geneva, Geneva, Switzerland.,Department of Psychology, University of Montréal, Montreal, QC, Canada.,Centre of Interdisciplinary Research in Rehabiliation of Montréal, CRIR/Institut Nazareth et Louis-Braille du CISSS de la Montérégie-Centre, Longueuil, QC, Canada
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Saj A, Bachelard-Serra M, Lavieille JP, Honoré J, Borel L. Signs of spatial neglect in unilateral peripheral vestibulopathy. Eur J Neurol 2021; 28:1779-1783. [PMID: 33369817 DOI: 10.1111/ene.14701] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/10/2020] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND PURPOSE In this study, the question of whether egocentric representation of space is impaired in chronic unilateral vestibulopathies was examined. The objective was to test current theories attributing a predominant role to vestibular afferents in spatial cognition and to assess whether representational neglect signs are common in peripheral vestibular loss. METHODS The subjective straight-ahead (SSA) direction was investigated using a horizontal rod allowing the translation and rotation components of the body midline representation to be dissociated in 21 patients with unilateral vestibular loss (right, 13; left, eight) and in 12 healthy controls. RESULTS Compared to the controls, the patients with unilateral vestibulopathy showed a translation bias of their SSA, without rotation bias. The translation bias was not lateralized towards the lesioned side as typically found for biases reported after unilateral vestibular loss. Rather, the SSA bias was rightward whatever the side of the vestibular loss. The translation bias correlated with the vestibular loss, as measured by caloric response and vestibulo-ocular reflex gain, but not with the subjective visual vertical or the residual spontaneous nystagmus. CONCLUSION The present data suggest that the dysfunctions of neural networks involved in egocentred and allocentred representations of space are differentially compensated for in unilateral vestibular defective patients. In particular, they suggest that asymmetrical vestibular inputs to cortical regions lead to representational spatial disturbances as does defective cortical processing of vestibular inputs in spatial neglect after right hemisphere stroke. They also highlight the predominant role of symmetrical and unaltered vestibular inputs in spatial cognition.
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Affiliation(s)
- Arnaud Saj
- Neurology Department, Neuropsychology Unit, University Hospital of Geneva, Geneva, Switzerland.,Department of Psychology, University of Montréal, Montréal, QC, Canada.,CRIR/Institut Nazareth et Louis-Braille du CISSS de la Montérégie-Centre, Longueuil, QC, Canada
| | - Mathilde Bachelard-Serra
- Department of Otorhinolaryngology, Head and Neck Surgery, Hôpital La Conception, APHM, Marseille, France.,Department of Otorhinolaryngology, Head and Neck Surgery, CHP Clairval, Marseille, France
| | - Jean-Pierre Lavieille
- Department of Otorhinolaryngology, Head and Neck Surgery, Hôpital La Conception, APHM, Marseille, France.,Sensory and Cognitive Neurosciences Laboratory, UMR 7260, Aix Marseille Univ, CNRS, FR3C, Case B, Marseille Cedex 03, France
| | | | - Liliane Borel
- Sensory and Cognitive Neurosciences Laboratory, UMR 7260, Aix Marseille Univ, CNRS, FR3C, Case B, Marseille Cedex 03, France
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Micarelli A, Viziano A, Carlino P, Granito I, Micarelli RX, Alessandrini M. Reciprocal roles of joint position error, visual dependency and subjective perception in cervicogenic dizziness. Somatosens Mot Res 2020; 37:262-270. [DOI: 10.1080/08990220.2020.1803257] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Alessandro Micarelli
- ITER Center for Balance and Rehabilitation (ICBRR), Rome, Italy
- Eurac Research, Institute of Mountain Emergency Medicine, Bolzano, Italy
| | - Andrea Viziano
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | | | - Ivan Granito
- ITER Center for Balance and Rehabilitation (ICBRR), Rome, Italy
| | | | - Marco Alessandrini
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
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Anson ER, Ehrenburg MR, Wei EX, Bakar D, Simonsick E, Agrawal Y. Saccular function is associated with both angular and distance errors on the triangle completion test. Clin Neurophysiol 2019; 130:2137-2143. [PMID: 31569041 PMCID: PMC6874399 DOI: 10.1016/j.clinph.2019.08.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 08/22/2019] [Accepted: 08/24/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The present study was designed to determine whether healthy older adults with age-related vestibular loss have deficits in spatial navigation. METHODS 154 adults participating in the Baltimore Longitudinal Study of Aging were tested for semicircular canal, saccular, and utricular function and spatial navigation ability using the blindfolded Triangle Completion Test (TCT). Multiple linear regression was used to investigate the relationships between each measure of vestibular function and performance on the TCT (angular error, end point error, and distance walked) while controlling for age and sex. RESULTS Individuals with abnormal saccular function made larger angular errors (β = 4.2°, p < 0.05) and larger end point errors (β = 13.6 cm, p < 0.05). Independent of vestibular function, older age was associated with larger angular (β's = 2.2-2.8°, p's < 0.005) and end point errors (β's = 7.5-9.0 cm, p's < 0.005) for each decade increment in age. CONCLUSIONS Saccular function appears to play a prominent role in accurate spatial navigation during a blindfolded navigation task. SIGNIFICANCE We hypothesize that gravitational cues detected by the saccule may be integrated into estimation of place as well as heading direction.
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Affiliation(s)
- E R Anson
- Department of Otolaryngology - Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Department of Otolaryngology, University of Rochester, Rochester, NY, USA.
| | - M R Ehrenburg
- Department of Otolaryngology - Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - E X Wei
- Department of Otolaryngology - Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - D Bakar
- Department of Otolaryngology - Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA; School of Medicine, Brown University, Providence, RI, USA
| | - E Simonsick
- Longitudinal Studies Section, National Institute on Aging, Baltimore, MD, USA
| | - Y Agrawal
- Department of Otolaryngology - Head & Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Micarelli A, Viziano A, Lanzillotta A, Ruscello B, D'Ottavio S, Alessandrini M. Visual dependency and postural control on swing performance in golf players. Eur J Sport Sci 2019; 19:922-930. [PMID: 30774005 DOI: 10.1080/17461391.2019.1571635] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Individuals have to reweight the respective contribution of the different sources of sensorial information for regulating posture and balance, especially during fine task execution. Given the evidences indicating strategy during swing performance as associated with prioritization of task-relevant visuospatial information for skill execution, the aim of the present work is to assess differences in visual dependency (VD) and postural control in a population of expert (EXP) and non-expert (NEXP) golfers when compared with healthy subjects (HC) and to discover possible relationships between these outcomes and swing performance. Thus, 15 golfers (EXP = 7; NEXP = 8) and 32 matched HC underwent otoneurological testing including video Head Impulse Test, posturography and Rod and Disk Test (RDT). Golf players also underwent a swing session procedure, which performance was measured by means of the Flightscope X2 Doppler-radar launch monitor system. EXP subjects demonstrated significant (p < 0.05) lower values in i) counter-clockwise (CCW) and clockwise (CW) dynamic conditions when compared with both NEXP and HC subjects RDT outcome measures and ii) surface and length posturography values as compared with HC subjects. When treating golf players outcomes as 'a continuum', CCW and CW scores were found to positively correlate with both lateral distance and horizontal launch angle and to negatively correlate with spin rpm. In conclusion, the present study suggests that the high-level of visual-independency demonstrated by EXP subjects may be functionally related in expert golfers to an effective motor strategy preferentially not referring to an inappropriate reliance on visual input.
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Affiliation(s)
- Alessandro Micarelli
- a Department of Clinical Sciences and Translational Medicine , University of Rome "Tor Vergata" , Rome , Italy.,b ITER Center for Balance and Rehabilitation Research (ICBRR) , Rome , Italy
| | - Andrea Viziano
- a Department of Clinical Sciences and Translational Medicine , University of Rome "Tor Vergata" , Rome , Italy
| | - Alessia Lanzillotta
- a Department of Clinical Sciences and Translational Medicine , University of Rome "Tor Vergata" , Rome , Italy
| | - Bruno Ruscello
- c School of Sport and Exercise Science , University of Rome "Tor Vergata" , Rome , Italy
| | - Stefano D'Ottavio
- a Department of Clinical Sciences and Translational Medicine , University of Rome "Tor Vergata" , Rome , Italy
| | - Marco Alessandrini
- a Department of Clinical Sciences and Translational Medicine , University of Rome "Tor Vergata" , Rome , Italy
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Abstract
High hypnotizability is associated with left-sided cerebral asymmetry, which could influence measurement of the Peripersonal Space (PPS). Right-handed participants with high (highs, n = 20), medium (mediums, n = 9), and low hypnotizability scores (lows, n = 20) performed the line bisection test on a computer screen automatically displaced at distances of 30, 60, and 90 cm from the subjects' eyes. Highs' results showed rightward bias of the bisection (Relative Error, RE) for all presentation distances. In contrast, in lows RE was displaced leftward at 30 cm and exhibited a progressive rightward shift at 60 and 90 cm, as occurs in the general population. Mediums' RE values were intermediate between highs' and lows' values. Bisection Times (BT) were significantly longer in highs/mediums than in lows. Findings indicate that the highs' bisection identifies PPS as if it was extrapersonal, but further studies should assess its functional characteristics. The highs/mediums longer BT suggest less efficient sensorimotor performance.
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The development of a new questionnaire for cognitive complaints in vertigo: the Neuropsychological Vertigo Inventory (NVI). Eur Arch Otorhinolaryngol 2016; 273:4241-4249. [DOI: 10.1007/s00405-016-4135-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 06/03/2016] [Indexed: 01/25/2023]
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Brandt T, Dieterich M. Vestibular contribution to three-dimensional dynamic (allocentric) and two-dimensional static (egocentric) spatial memory. J Neurol 2016; 263:1015-1016. [PMID: 26946497 DOI: 10.1007/s00415-016-8067-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 02/10/2016] [Accepted: 02/11/2016] [Indexed: 10/22/2022]
Affiliation(s)
- Thomas Brandt
- Institute for Clinical Neuroscience, Ludwig-Maximilians University, Marchioninistr. 15, 81377, Munich, Germany. .,German Center for Vertigo and Balance Disorders, Ludwig-Maximilians University, Munich, Germany.
| | - Marianne Dieterich
- German Center for Vertigo and Balance Disorders, Ludwig-Maximilians University, Munich, Germany.,Department of Neurology, Ludwig-Maximilians University, Munich, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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