ISSN 1671-3710
CN 11-4766/R
主办:中国科学院心理研究所
出版:科学出版社

心理科学进展 ›› 2020, Vol. 28 ›› Issue (4): 566-578.doi: 10.3724/SP.J.1042.2020.00566

• 研究前沿 • 上一篇    下一篇

特征注意的全局性调制作用——增强还是抑制?

黄子立1, 丁玉珑2, 曲折1()   

  1. 1 中山大学心理学系, 广州 510006
    2 华南师范大学心理学院, 广州 510006
  • 收稿日期:2019-10-10 出版日期:2020-04-15 发布日期:2020-02-24
  • 通讯作者: 曲折 E-mail:quzhe@mail.sysu.edu.cn
  • 基金资助:
    国家自然科学基金(31970985);教育部人文社会科学研究一般项目(19YJA190004);广东特支计划百千万工程领军人才项目(201626026)

The global modulation of feature-based attention: Enhancement or suppression?

HUANG Zili1, DING Yulong2, QU Zhe1()   

  1. 1 Department of Psychology, Sun Yat-Sen University, Guangzhou, 510006, China
    2 School of Psychology, South China Normal University, Guangzhou, 510006, China
  • Received:2019-10-10 Online:2020-04-15 Published:2020-02-24
  • Contact: Zhe QU E-mail:quzhe@mail.sysu.edu.cn

摘要:

特征注意(feature-based attention)是个体根据特定的特征维度或特征值分配视觉注意资源的能力。在注意焦点内, 特征注意会增强对注意特征具有反应选择性的神经元活动, 并抑制对干扰特征具有反应选择性的神经元活动。大量研究表明, 特征注意的调制作用可以扩散到注意焦点以外, 具有全局性的特点, 但这种全局性调制作用是增强机制还是抑制机制仍然存在争议。这可能是由于两种机制在时间进程等属性上存在差异, 在视觉信息加工中可能扮演着不同角色。相对而言, 全局性抑制作用可能更易受实验设计和实验参数的影响。后续研究应该探究全局性抑制机制在什么条件下发挥作用, 以及进一步对全局性的增强机制和抑制机制进行分离。

关键词: 特征注意, 全局性调制作用, 增强机制, 抑制机制

Abstract:

Feature-based attention (FBA) is the ability that observers can direct their attention to a specific feature dimension or value. In the attentional focus, FBA can modulate the response of neurons in visual cortex: it selectively increases the responses of neurons encoding attended features while suppresses the responses of neurons encoding distracting features. Many studies found that this attentional modulation can spread outside the focus of attention, but the underlying mechanism of the global modulation of FBA (enhancement or suppression) is still controversial. The global enhancement mechanism and the global suppression mechanism are different in time courses and may play distinctive roles in visual information processing. Compared to the global enhancement mechanism, the global suppression mechanism seems more likely to be influenced by experimental designs and parameters. Future studies are needed to investigate under what conditions the global suppression mechanism takes effect and to further disassociate these two global mechanisms in the process of feature-based attention.

Key words: feature-based attention, global modulation, global enhancement, global suppression

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