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Electrocorticography Evidence of Tactile Responses in Visual Cortices

Authors: Anna Gaglianese; Mariana P. Branco; Iris I. A. Groen; Noah C. Benson; Mariska J. Vansteensel; Micah M. Murray; Natalia Petridou; +1 Authors

Electrocorticography Evidence of Tactile Responses in Visual Cortices

Abstract

AbstractThere is ongoing debate regarding the extent to which human cortices are specialized for processing a given sensory input versus a given type of information, independently of the sensory source. Many neuroimaging and electrophysiological studies have reported that primary and extrastriate visual cortices respond to tactile and auditory stimulation, in addition to visual inputs, suggesting these cortices are intrinsically multisensory. In particular for tactile responses, few studies have proven neuronal processes in visual cortex in humans. Here, we assessed tactile responses in both low-level and extrastriate visual cortices using electrocorticography recordings in a human participant. Specifically, we observed significant spectral power increases in the high frequency band (30–100 Hz) in response to tactile stimuli, reportedly associated with spiking neuronal activity, in both low-level visual cortex (i.e. V2) and in the anterior part of the lateral occipital–temporal cortex. These sites were both involved in processing tactile information and responsive to visual stimulation. More generally, the present results add to a mounting literature in support of task-sensitive and sensory-independent mechanisms underlying functions like spatial, motion, and self-processing in the brain and extending from higher-level as well as to low-level cortices.

Country
Netherlands
Subjects by Vocabulary

Microsoft Academic Graph classification: Visual perception Photic Stimulation Sensory system Brain mapping Temporal lobe Cortex (anatomy) medicine Electrocorticography medicine.diagnostic_test Visual cortex medicine.anatomical_structure Psychology Neuroscience

Keywords

Adult, High frequency band, Adult; Brain Mapping; Electrocorticography; Female; Humans; Photic Stimulation; Temporal Lobe; Touch; Visual Cortex; Visual Perception; Young Adult; ECoG; High frequency band; Multisensory; Tactile, Young Adult, Humans, Radiology, Nuclear Medicine and imaging, Visual Cortex, Original Paper, Brain Mapping, Radiological and Ultrasound Technology, Multisensory, ECoG, Temporal Lobe, Neurology, Touch, Tactile, Visual Perception, Female, Electrocorticography, Neurology (clinical), Anatomy, Photic Stimulation

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    7
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Top 10%
Average
Top 10%
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  • Funder: National Institutes of Health (NIH)
  • Project Code: 5R01MH111417-02
  • Funding stream: NATIONAL INSTITUTE OF MENTAL HEALTH
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  • Funder: Swiss National Science Foundation (SNSF)
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NWO| Measuring Neuronal Activity in Humans: FROM BLOOD TO NEURON
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  • Funder: Netherlands Organisation for Scientific Research (NWO) (NWO)
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ICONNECT
Intracranial COnnection with Neural Networks for Enabling Communication in Total paralysis
  • Funder: European Commission (EC)
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  • Funding stream: FP7 | SP2 | ERC
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