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Optimal Adaptation Principles in Neu...

Krishnamurthy, Kamesh.

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Optimal Adaptation Principles in Neural Systems.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Optimal Adaptation Principles in Neural Systems./
作者:	Krishnamurthy, Kamesh.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	163 p.
附註:	Source: Dissertation Abstracts International, Volume: 79-07(E), Section: B.
Contained By:	Dissertation Abstracts International79-07B(E).
標題:	Neurosciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10641256
ISBN:	9780355619713

Optimal Adaptation Principles in Neural Systems.
Krishnamurthy, Kamesh.

Optimal Adaptation Principles in Neural Systems. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 163 p.

Source: Dissertation Abstracts International, Volume: 79-07(E), Section: B.

Thesis (Ph.D.)--University of Pennsylvania, 2017.

Animal brains are remarkably efficient in handling complex computational tasks, which are intractable even for state-of-the-art computers. For instance, our ability to detect visual objects in the presence of substantial variability and clutter surpasses any algorithm. This ability seems even more surprising given the noisiness and biophysical constraints of neural circuits. This thesis focuses on understanding the theoretical principles governing how neural systems, at various scales, are adapted to the structure of their environment in order to interact with it and perform informa- tion processing tasks efficiently. Here, we study this question in three very different and challenging scenarios: i) how a sensory neural circuit the olfactory pathway is organised to efficiently process odour stimuli in a very high-dimensional space with complex structure; ii) how individual neurons in the sensory periphery exploit the structure in a fast-changing environment to utilise their dynamic range efficiently; iii) how the auditory system of whole organisms is able to efficiently exploit temporal structure in a noisy, fast-changing environment to optimise perception of ambiguous sounds. We also study the theoretical issues in developing principled measures of model complexity and extending classical complexity notions to explicitly account for the scale/resolution at which we observe a system.

ISBN: 9780355619713Subjects--Topical Terms:

588700
Neurosciences.

Optimal Adaptation Principles in Neural Systems.
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