Abstract:
:Although galvanic vestibular stimulation (GVS) is known to affect the speed and accuracy of visual judgments, the underlying electrophysiological response has not been explored. In the present study, we therefore investigated the effect of GVS on the N170 event-related potential, a marker commonly associated with early visual structural encoding. To elicit the waveform, participants distinguished famous from nonfamous faces that were presented in either upright or inverted orientation. Relative to a sham, stimulation increased the amplitude of the N170 and also elevated power spectra within the delta and theta frequency bands, components that have likewise been associated with face processing. This study constitutes the first attempt to model the effects of GVS on the electrophysiological response and, more specifically, indicates that unisensory visual processes linked to object construction are influenced by vestibular information. Given that reductions in the magnitude of both the N170 event-related potential and delta/theta activity accompany certain disease states, GVS may provide hitherto unreported therapeutic benefit.
journal_name
Vis Neuroscijournal_title
Visual neuroscienceauthors
Wilkinson D,Ferguson HJ,Worley Adoi
10.1017/S0952523812000235subject
Has Abstractpub_date
2012-09-01 00:00:00pages
255-62issue
4-5eissn
0952-5238issn
1469-8714pii
S0952523812000235journal_volume
29pub_type
杂志文章abstract::During early mammalian development, inputs from the two retinas intermix within the lateral geniculate nucleus (LGN), then segregate during the first postnatal week into layers that receive input from a single retina. Functionally, the LGN also changes markedly during the first postnatal month; early geniculate respon...
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journal_title:Visual neuroscience
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journal_title:Visual neuroscience
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journal_title:Visual neuroscience
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journal_title:Visual neuroscience
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journal_title:Visual neuroscience
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doi:10.1017/S0952523807070757
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journal_title:Visual neuroscience
pub_type: 杂志文章,评审
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journal_title:Visual neuroscience
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doi:10.1017/S0952523807070563
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