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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Orientation saliency without visual cortex and target selection in archer fish
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Orientation saliency without visual cortex and target selection in archer fish

机译:没有视觉皮层的方向显着性和弓箭鱼的目标选择

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摘要

Our visual attention is attracted by salient stimuli in our environment and affected by primitive features such as orientation, color, and motion. Perceptual saliency due to orientation contrast has been extensively demonstrated in behavioral experiments with humans and other primates and is believed to be facilitated by the functional organization of the primary visual cortex. In behavioral experiments with the archer fish, a proficient hunter with remarkable visual abilities, we found an orientation saliency effect similar to that observed in human subjects. Given the enormous evolutionary distance between humans and archer fish, our findings suggest that orientation-based saliency constitutes a fundamental building block for efficient visual information processing.
机译:在我们的环境中,显着的刺激会吸引我们的视觉注意力,并且会受到原始特征(例如方向,颜色和运动)的影响。在人类和其他灵长类动物的行为实验中,已广泛证明了由于取向对比引起的感知显着性,并且据信主要视觉皮层的功能组织会促进这种显着性。在对射手鱼(一种熟练的猎人,具有出色的视觉能力)进行的行为实验中,我们发现了定向显着性效果与在人类受试者中观察到的相似。鉴于人类与弓箭手鱼之间的巨大进化距离,我们的发现表明,基于方向的显着性是有效视觉信息处理的基本构建块。

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