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Cross-Modal Multivariate Pattern Analysis
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整体处理是由部分包含任务一致信息的概率调节的
Kim M Curby1, Lina Teichmann2, Mary A Peterson3
1School of Psychological Sciences and the Performance and Expertise Research Centre, Macquarie University, Sydney, NSW, Australia. kim.curby@mq.edu.au.
Attention, perception & psychophysics
|June 13, 2023
概括
整体处理,大脑的整体处理.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 整体处理,以复合效应为特征,通常被视为一种感知策略.
- 这种策略可能源于对整体刺激的学习注意,阻碍对部分的选择性注意.
- 其他理论提出了由内部面部模板触发的专门机制.
研究的目的:
- 调查注意力因素是否调节整体处理.
- 区分基于注意力和基于模板的整体处理账户.
- 检查任务无关信息的不同概率对整体处理的影响.
主要方法:
- 操纵了与任务无关的面部部位在测试过程中包含一致或不一致信息的概率.
- 利用复合面部任务来测量整体处理.
- 对面部和非面部刺激进行了实验.
主要成果:
- 当与任务无关的信息一致的概率很低 (25%) 时,整体处理会减弱.
- 当与任务无关的信息相同的概率很高 (75%) 时,整体处理得到了增强.
- 这些发现在面部和非面部刺激中是一致的.
结论:
- 结果支持整体处理的注意力描述,表明它是由学习的注意力塑造的.
- 这些发现挑战了基于模板的账户,这些账户预测了对注意力操纵的不敏感性.
- 整体处理似乎是一个灵活的策略,受到注意力优先级的影响.
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