内因性光学的信号による刺激選択性を強調した機能マップの構築 Functional Map Emphasizing Stimulus Selectivity from Intrinsic Optical Signals

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抄録

Intrinsic optical imaging has been widely used to elucidate functional architectures in the cerebral cortex. Although several methods have been invented to visualize the functional architectures from intrinsic signals, which are very small, they are limited to extracting them because they don't take into account the tuning properties of optical signals. We propose here a new method to represent functional maps on stimulus selectivity at each local region by calculating the correlation coefficient between the optical signals and the tuning curve model. We have applied it to the visualization of orientation preference columns in the cat visual cortex. The extracted maps from the new method have a higher contrast than maps created using the conventional method, resulting in orientation preference columns that are clearly identifiable.

収録刊行物

  • 生体医工学 : 日本エム・イー学会誌

    生体医工学 : 日本エム・イー学会誌 44(1), 71-76, 2006-03-10

    社団法人日本生体医工学会

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被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    110004731538
  • NII書誌ID(NCID)
    AA11633569
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    1347443X
  • NDL 記事登録ID
    7989004
  • NDL 雑誌分類
    ZS18(科学技術--医学--医用機械・診断学・検査技術)
  • NDL 請求記号
    Z19-108
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  J-STAGE 
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