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The Effects of Cognitive State on Vi...

Vo, Vy Ai.

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The Effects of Cognitive State on Visual Encoding Properties in Human Cortex.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Effects of Cognitive State on Visual Encoding Properties in Human Cortex./
Author:	Vo, Vy Ai.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	127 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-10, Section: B.
Contained By:	Dissertations Abstracts International80-10B.
Subject:	Neurosciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13808881
ISBN:	9781392020906

The Effects of Cognitive State on Visual Encoding Properties in Human Cortex.
Vo, Vy Ai.

The Effects of Cognitive State on Visual Encoding Properties in Human Cortex. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 127 p.

Source: Dissertations Abstracts International, Volume: 80-10, Section: B.

Thesis (Ph.D.)--University of California, San Diego, 2019.

This item is not available from ProQuest Dissertations & Theses.

Understanding the format of neural representations is a key problem in neuroscience. I present a series of functional magnetic resonance imaging (fMRI) studies of the human visual system to investigate the format of how visual information is represented, and how the format changes due to different cognitive demands. First, I investigate how covert spatial attention modifies visual encoding properties at two different levels of analysis-at the level of a single spatial encoding unit, the receptive field, and at the level of the encoding population. Second, I examine how the contents of visual memory are represented across both working memory and long-term memory, systems that have traditionally been considered distinct entities. Together these data reveal how different retinotopic regions of visual cortex flexibly encode information about the visual world and how they are altered in response to varying cognitive demands.

ISBN: 9781392020906Subjects--Topical Terms:

588700
Neurosciences.

The Effects of Cognitive State on Visual Encoding Properties in Human Cortex.
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245 1 4 $a The Effects of Cognitive State on Visual Encoding Properties in Human Cortex.
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300 $a 127 p.
500 $a Source: Dissertations Abstracts International, Volume: 80-10, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Serences, John T.
502 $a Thesis (Ph.D.)--University of California, San Diego, 2019.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be added to any third party search indexes.
506 $a This item must not be sold to any third party vendors.
520 $a Understanding the format of neural representations is a key problem in neuroscience. I present a series of functional magnetic resonance imaging (fMRI) studies of the human visual system to investigate the format of how visual information is represented, and how the format changes due to different cognitive demands. First, I investigate how covert spatial attention modifies visual encoding properties at two different levels of analysis-at the level of a single spatial encoding unit, the receptive field, and at the level of the encoding population. Second, I examine how the contents of visual memory are represented across both working memory and long-term memory, systems that have traditionally been considered distinct entities. Together these data reveal how different retinotopic regions of visual cortex flexibly encode information about the visual world and how they are altered in response to varying cognitive demands.
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