Response properties of visual interneurons to motion stimuli in the praying mantis, Tenodera aridifolia

Yoshifumi Yamawaki, Yoshihiro Toh

研究成果: ジャーナルへの寄稿学術誌査読

18 被引用数 (Scopus)

抄録

Intracellular responses of motion-sensitive visual interneurons were recorded from the lobula complex of the mantis, Tenodera aridifolia. The interneurons were divided into four classes according to the response polarity, spatial tuning, and directional selectivity. Neurons of the first class had small, medium, or large receptive fields and showed a strong excitation in response to a small-field motion such as a small square moving in any direction (SF neurons). The second class neurons showed non-directionally selective responses: an excitation to a large-field motion of gratings in any direction (ND neurons). Most ND neurons had small or medium-size receptive fields. Neurons of the third class had large receptive fields and exhibited directionally selective responses: an excitation to a large-field motion of gratings in preferred direction and an inhibition to a motion in opposite, null direction (DS neurons). The last class neurons had small receptive fields and showed inhibitory responses to a moving square and gratings (I neurons). The functional roles of these neurons in prey recognition and optomotor response were discussed.

本文言語英語
ページ(範囲)819-832
ページ数14
ジャーナルZoological science
20
7
DOI
出版ステータス出版済み - 7月 1 2003

!!!All Science Journal Classification (ASJC) codes

  • 動物科学および動物学

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