NDLI: Modulation of olfactory perception by visual cortex stimulation.

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Modulation of olfactory perception by visual cortex stimulation.

Content Provider	Semantic Scholar
Author	Jadauji, Jahan B. Djordjevic, Jelena Lundström, Johan N. Pack, Christopher C.
Copyright Year	2012
Abstract	When attempting to identify an object based on smell alone, people often visualize the perceived source of the odorant. This close association between olfactory and visual functions is supported by neuroimaging studies demonstrating activation of visual cortex during performance of purely olfactory tasks. Such activation might simply reflect the correlation between olfactory percepts and the corresponding visual images, or it might reflect a causal contribution of visual processing to olfactory perception. Here we provide evidence in support of the latter possibility. Using repetitive transcranial magnetic stimulation, we show that stimulating human visual cortex improves performance on a task requiring discrimination among different odor qualities. No significant improvement is found for tasks involving discrimination between intensities of the same odor, from stimulation of auditory cortex, or from "sham" stimulation. These results are thus consistent with a specific visual cortical influence on high-level olfactory perception. They also demonstrate that unimodal perceptual tasks are influenced by processing within cortical areas of other, seemingly unrelated, sensory systems.
Starting Page	133
Ending Page	133
Page Count	1
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.jneurosci.org/content/jneuro/32/9/3095.full.pdf
PubMed reference number	22378882v1
Alternate Webpage(s)	https://doi.org/10.1523/JNEUROSCI.6022-11.2012
DOI	10.1523/jneurosci.6022-11.2012
Journal	The Journal of neuroscience : the official journal of the Society for Neuroscience
Volume Number	32
Issue Number	9
Language	English
Access Restriction	Open
Subject Keyword	Auditory area Cerebral cortex Cumulative Trauma Disorders Halitosis Neuroimaging Odorants Odors Olfactory Perception Smell Perception Stimulation (motivation)
Content Type	Text
Resource Type	Article

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