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Fractionation of parietal function in bistable perception probed with concurrent TMS-EEG

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posted on 2023-06-09, 02:38 authored by Georg Schauer, Acer Chang, David SchwartzmanDavid Schwartzman, Charlotte RaeCharlotte Rae, Heather Iriye, Anil SethAnil Seth, Ryota Kanai
When visual input has conflicting interpretations, conscious perception can alternate spontaneously between these possible interpretations. This is called bistable perception. Previous neuroimaging studies have indicated the involvement of two right parietal areas in resolving perceptual ambiguity (ant-SPLr and post-SPLr). Transcranial magnetic stimulation (TMS) studies that selectively interfered with the normal function of these regions suggest that they play opposing roles in this type of perceptual switch. In the present study, we investigated this fractionation of parietal function by use of combined TMS with electroencephalography (EEG). Specifically, while participants viewed either a bistable stimulus, a replay stimulus, or resting-state fixation, we applied single pulse TMS to either location independently while simultaneously recording EEG. Combined with participant’s individual structural magnetic resonance imaging (MRI) scans, this dataset allows for complex analyses of the effect of TMS on neural time series data, which may further elucidate the causal role of the parietal cortex in ambiguous perception.

History

Publication status

  • Published

File Version

  • Published version

Journal

Scientific Data

ISSN

2052-4463

Publisher

Nature Publishing Group

Volume

3

Department affiliated with

  • BSMS Neuroscience Publications

Research groups affiliated with

  • Sackler Centre for Consciousness Science Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-08-25

First Open Access (FOA) Date

2016-08-25

First Compliant Deposit (FCD) Date

2016-08-25

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