.png){kind=icon}
返回
Cortical algorithms for perceptual grouping
.png){kind=icon}
PRE
AI
DOI：10.1146/annurev.neuro.29.051605.112939.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
A fundamental task of vision is to group the image elements that belong to one object and to segregate them from other objects and the background. This review provides a conceptual framework of how perceptual grouping may be implemented in the visual cortex. According to this framework, two mechanisms are responsible for perceptual grouping: base-grouping and incremental grouping. Base-groupings are coded by single neurons tuned to multiple features, like the combination of a color and an orientation. They are computed rapidly because they reflect the selectivity of feedforward connections. However, not all conceivable feature combinations are coded by dedicated neurons. Therefore, a second, flexible form of grouping is required called incremental grouping. Incremental grouping enhances the responses of neurons coding features that are bound in perception, but it takes more time than does base-grouping because it relies also on horizontal and feedback connections. The modulation of neuronal response strength during incremental grouping has a correlate in psychology because attention is directed to those features that are labeled by the enhanced neuronal response.
Keyword:
visual cortex
binding
visual attention
contour grouping
contextual modulation
grandmother cell
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
IF:
13.2
论文数:
930
被引数:
1.3W
机构
暂无机构信息
引用论文
Corpus spongiosum penis pressure and perineal muscle activity during reflexive erections in the rat
PREAI
分享收藏Timing of Bifidobacterium Administration Influences the Development of Allergy to Ovalbumin in Mice
PREAI
分享收藏Characterization of Campylobacter upsaliensis fur and its localization in a highly conserved region of the Campylobacter genome.png)
Gene
GeneIF0
PREAI
分享收藏
分享收藏
查看更多内容