Neural mechanisms of visual communications revealed with electrocorticography. View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2014-2017

FUNDING AMOUNT

44850000 JPY

ABSTRACT

We developed a method to quantify the information flow of the cerebral cortex as the local transfer entropy from the spatial pattern of the electrocorticographic signals with various dimensions. With this approach, we identified repetitions of forward and backward waves in the macaque inferior temporal cortex following visual stimulation with dynamic topological changes. Next we found that spatial patterns of theta-band powers spanning a wide area in the medial temporal lobe can represent associative memory, which is reorganized through associative learning. In the prefrontal cortex, we identified flows of theta-band powers associated with symbolic conversion and construction. Finally, microstructure of surround suppression was revealed with spatiotemporal two-dimensional fast Fourier transformation of visually evoked signals in the rat visual cortex. More... »

URL

https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-26242088

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