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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Surround suppression ： ウィキペディア英語版 Surround suppression Surround suppression is an effect seen in many sensory neurons, most notably in the early visual system. It is typically observed in electrophysiology studies of the brain, when neurons do not respond as much when the stimulus is enlarged. Surround suppression is defined as a reduction in the activity of a neuron in response to a stimulus outside its classical receptive field. This nonlinear effect is one of many that reveals the complexity of biological sensory systems, and the connections of properties of neurons that may cause this effect are still being studied. The characteristics, mechanisms, and perceptual consequences of this phenomenon are of interest to many communities, including neurobiology, computational neuroscience, psychology, and computer vision. ==Background== The classical model of early vision presumes that each neuron responds independently to a specific stimulus in a localized area of the visual field. The stimulus and corresponding location in the visual field are collectively called the classical receptive field, which often resembles a Gabor filter. However, not all effects can be explained by this idea of independent filters. Surround suppression is one of several effects in which neurons do not behave according to the classical model. These effects are collectively called non-classical receptive field effects, and have recently become a substantial research area in vision and other sensory systems. During surround suppression, neurons are inhibited by a stimulus outside their classical receptive field, in an area deemed the 'surround.' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Surround suppression」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.