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Spatial Processing of Conspecific Si...

Milam, Oak Everette.

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Spatial Processing of Conspecific Signals in Weakly Electric Fish: From Sensory Image to Neural Population Coding.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Spatial Processing of Conspecific Signals in Weakly Electric Fish: From Sensory Image to Neural Population Coding./
作者:	Milam, Oak Everette.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	282 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-06, Section: B.
Contained By:	Dissertations Abstracts International85-06B.
標題:	Behavior. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30726050
ISBN:	9798381019223

Spatial Processing of Conspecific Signals in Weakly Electric Fish: From Sensory Image to Neural Population Coding.
Milam, Oak Everette.

Spatial Processing of Conspecific Signals in Weakly Electric Fish: From Sensory Image to Neural Population Coding. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 282 p.

Source: Dissertations Abstracts International, Volume: 85-06, Section: B.

Thesis (Ph.D.)--West Virginia University, 2023.

This item must not be sold to any third party vendors.

In this dissertation, I examine how an animal's nervous system encodes spatially realistic conspecific signals in their environment and how the encoding mechanisms support behavioral sensitivity. I begin by modeling changes in the electrosensory signals exchanged by weakly electric fish in a social context. During this behavior, I estimate how the spatial structure of conspecific stimuli influences sensory responses at the electroreceptive periphery. I then quantify how space is represented in the hindbrain, specifically in the primary sensory area called the electrosensory lateral line lobe. I show that behavioral sensitivity is influenced by the heterogeneous properties of the pyramidal cell population. I further demonstrate that this heterogeneity serves to start segregating spatial and temporal information early in the sensory pathway. Lastly, I characterize the accuracy of spatial coding in this network and predict the role of network elements, such as correlated noise and feedback, in shaping the spatial information. My research provides a comprehensive understanding of spatial coding in the first stages of sensory processing in this system and allows us to better understand how network dynamics shape coding accuracy.

ISBN: 9798381019223Subjects--Topical Terms:

532476
Behavior.

Spatial Processing of Conspecific Signals in Weakly Electric Fish: From Sensory Image to Neural Population Coding.
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520 $a In this dissertation, I examine how an animal's nervous system encodes spatially realistic conspecific signals in their environment and how the encoding mechanisms support behavioral sensitivity. I begin by modeling changes in the electrosensory signals exchanged by weakly electric fish in a social context. During this behavior, I estimate how the spatial structure of conspecific stimuli influences sensory responses at the electroreceptive periphery. I then quantify how space is represented in the hindbrain, specifically in the primary sensory area called the electrosensory lateral line lobe. I show that behavioral sensitivity is influenced by the heterogeneous properties of the pyramidal cell population. I further demonstrate that this heterogeneity serves to start segregating spatial and temporal information early in the sensory pathway. Lastly, I characterize the accuracy of spatial coding in this network and predict the role of network elements, such as correlated noise and feedback, in shaping the spatial information. My research provides a comprehensive understanding of spatial coding in the first stages of sensory processing in this system and allows us to better understand how network dynamics shape coding accuracy.
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