左桃体和右前对面皮质支持情绪适应后效应
Xinqi Su1,2,3, Ruilin Fu1,2,3, Huiling Li1,2,3,4
1Philosophy and Social Science Laboratory of Reading and Development in Children and Adolescents, South China Normal University, Ministry of Education, 510631 Guangzhou, China.
Brain sciences
|March 28, 2024
概括
情绪适应后效应偏见的感知. 脑部成像显示左桃体/岛屿,右角旋转圈和右下额头旋转圈是处理这些情绪后果的关键.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 心理学 心理学 心理学
背景情况:
- 适应后效应是常见的,在这种情况下,先前的经验会影响对模两可的刺激的判断.
- 虽然行为证据很强大,但潜在的高水平情绪适应后果的特定大脑区域在很大程度上是未知的.
研究的目的:
- 用功能磁共振成像 (fMRI) 研究情绪适应后果的神经机制.
- 为了确定参与处理面部表情暴露后的情绪后果的大脑区域.
主要方法:
- 用功能磁共振成像 (fMRI) 来测量大脑活动.
- 参与者在适应快乐或悲伤的面部表情后观看了变形的面部图像.
- 对模糊的面部刺激的神经反应在适应条件之间进行了对比.
主要成果:
- 行为实验证实了典型的情绪适应效应,参与者对面部情绪有偏见的看法.
- fMRI数据显示,基于先前的情绪适应,对模两可的刺激的神经反应存在显著差异.
- 左桃体/岛屿,右角旋转和右下额头旋转被确定为支持情绪后果的关键大脑区域.
结论:
- 情绪适应后效应得到了大脑区域网络的支持,这些区域参与了情绪处理和认知控制.
- 这些发现阐明了情感经历如何塑造后续感知的神经基础.
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