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  1. 020 学位論文
  2. 生命科学研究科
  3. 20 生理科学専攻

Distribution of Neurons responsive to a Uniform Surface in the Visual Cortex of the Cat

https://ir.soken.ac.jp/records/1126
https://ir.soken.ac.jp/records/1126
ef00017b-3b16-41ad-877e-69384f8d581e
名前 / ファイル ライセンス アクション
甲695_要旨.pdf 要旨・審査要旨 / Abstract, Screening Result (138.5 kB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2010-02-22
タイトル
タイトル Distribution of Neurons responsive to a Uniform Surface in the Visual Cortex of the Cat
タイトル
タイトル Distribution of Neurons responsive to a Uniform Surface in the Visual Cortex of the Cat
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_46ec
資源タイプ thesis
著者名 谷, 利樹

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谷, 利樹

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フリガナ タニ, トシキ

× タニ, トシキ

タニ, トシキ

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著者 TANI, Toshiki

× TANI, Toshiki

en TANI, Toshiki

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学位授与機関
学位授与機関名 総合研究大学院大学
学位名
学位名 博士(理学)
学位記番号
内容記述タイプ Other
内容記述 総研大甲第695号
研究科
値 生命科学研究科
専攻
値 20 生理科学専攻
学位授与年月日
学位授与年月日 2003-03-24
学位授与年度
値 2002
要旨
内容記述タイプ Other
内容記述 Object images on the retina can be described as combination of contours and surfaces surrounded by them. Neuronal activity in the early visual cortex has been extensively studied from the standpoint of contour representation. On the other hand, representation of the interior of a surface surrounded by a contour is much less well understood. Several studies have identified neurons activated by a uniform surface covering their receptive fields, but their distribution within the cortex is not yet known. The aim of the present study was to obtain a better understanding of the distribution of such neurons in the visual cortex. Using optical imaging of intrinsic signals, they found that there are a group of surface-responsive regions located in area 18, along the area 17/18 border, that tend to overlap with the singular points of the orientation-preference map. Extracellular recordings confirmed that neurons responsive to uniform plane stimuli are accumulated in these regions. Such neurons also existed outside the surface-responsive regions around the singular points. These results suggest that there exists a functional organization related to the representation of a uniform surface in the early visual cortex.
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