Imperial College London
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DrBarrySeemungal

Faculty of Medicine, Department of Brain Sciences

Honorary Clinical Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 3311 7042b.seemungal Website

 
 
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Assistant

 

Miss Lorna Stevenson +44 (0)20 3313 5525

 
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Location

 

10L16Lab BlockCharing Cross Campus

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Summary

 

Publications

Citation

BibTex format

@article{Roberts:2016:10.1007/s00429-016-1344-4,
author = {Roberts, RE and Arshad, Q and Patel, M and Dima, D and Leech, R and Seemungal, BM and Sharp, DS and Bronstein, AM},
doi = {10.1007/s00429-016-1344-4},
journal = {Brain Structure & Function},
pages = {2329--2343},
title = {Functional neuroimaging of visuo-vestibular interaction},
url = {http://dx.doi.org/10.1007/s00429-016-1344-4},
volume = {222},
year = {2016}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - The brain combines visual, vestibular and proprioceptive information to distinguish between self-and world-motion. Often these signals are complementary and indicate that the individual is moving or stationary with respect to the surroundings. However, conflicting visual motion and vestibular cues can lead to ambiguous or false sensations of motion. In this study, we used functional magnetic resonance imaging to explore human brain activation when visual and vestibular cues were either complementary or in conflict. We combined a horizontally moving optokinetic stimulus with caloric irrigation of the right ear to produce conditions where the vestibular activation and visual motion indicatedthe same (congruent) or opposite directions of self-motion (incongruent). Visuo-vestibular conflict was associated with increased activation in a network of brain regions including posterior insular and transverse temporal areas, cerebellar tonsil, cingulate and medial frontal gyri. In the congruent condition there was increased activation in primary and secondary visual cortex. These findings suggest that when sensory information regarding self-motion is contradictory, there is preferential activation of multisensoryvestibular areas to resolve this ambiguity. When cues are congruent there is a bias towards visual cortical activation. The data support the view thata network of brain areas including the posterior insular cortex may play animportant role in integrating and disambiguating visual and vestibular cues.
AU  - Roberts,RE
AU  - Arshad,Q
AU  - Patel,M
AU  - Dima,D
AU  - Leech,R
AU  - Seemungal,BM
AU  - Sharp,DS
AU  - Bronstein,AM
DO  - 10.1007/s00429-016-1344-4
EP  - 2343
PY  - 2016///
SN  - 1863-2661
SP  - 2329
TI  - Functional neuroimaging of visuo-vestibular interaction
T2  - Brain Structure & Function
UR  - http://dx.doi.org/10.1007/s00429-016-1344-4
UR  - http://hdl.handle.net/10044/1/42842
VL  - 222
ER  -
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