在侧边任务中探索认知控制的情感基础
Motonori Yamaguchi1, Jack D Moore2, Sarah E Hendry3
1Department of Psychology, University of Essex, Colchester, United Kingdom.
Cognition & emotion
|January 3, 2025
概括
情绪刺激在随机侧边任务中对认知控制的影响很小. 然而,对情绪刺激的预测或反应减少了序列调制,而不考虑价值,挑战了现有的理论.
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.
背景情况:
- 侧面任务是研究认知控制的常见范式.
- 众所周知,情感刺激会引起注意,并影响认知过程.
研究的目的:
- 研究情绪刺激对侧边效应及其顺序调节 (冲突适应) 的影响.
- 检查预期和对价值载荷刺激的反应如何影响认知控制.
主要方法:
- 通过使用侧边任务进行了六项实验,其中包括情感图片和面部表情.
- 情绪刺激在试验或参与者之间被随机呈现或以价值分开.
- 在后来的实验中,情感图像的兴奋和价值被直角操纵.
主要成果:
- 当随机呈现时,情绪刺激对侧边效应的影响很小.
- 当情绪刺激预期或先于试验时,无论价值如何,序列调制的减少.
- 面部表情对反应准确度有类似的影响,但仅在之前的情绪刺激之后.
- 当兴奋和价值被独立操纵时,这些效应只有部分复制.
结论:
- 情绪刺激对辅助任务中的认知控制具有有限和不一致的影响.
- 这些发现挑战了当前的理论,这些理论表明对认知控制机制的显著情感贡献.
- 序列调制似乎比侧面效应本身更敏感于情绪刺激的预期和先前呈现.
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