情绪兴奋强度对精神分裂症患者选择性注意力的调节效应
Miaomiao Yu1, Bo Dong1, Feilong Qian2
1School of Education, Suzhou University of Science and Technology, Suzhou, China.
Frontiers in psychiatry
|September 17, 2025
概括
精神分裂症患者对情绪刺激的注意力发生变化,高唤起的负面刺激对患者和对照者的回归抑制产生不同影响.
科学领域:
- 认知神经科学 认知神经科学
- 精神病学是一个精神病学.
- 视觉注意力 视觉注意力
背景情况:
- 了解情绪信息如何影响选择性注意力对于精神分裂症研究至关重要.
- 连接情绪刺激与精神分裂症注意力缺陷的确切机制尚不清楚.
研究的目的:
- 研究情绪兴奋强度对精神分裂症患者回归抑制 (IOR) 的影响.
- 检查注意力脱节和重定向阶段,以应对情绪刺激.
主要方法:
- 使用一个回归到固定的程序来操纵刺激的价值和兴奋强度.
- 在精神分裂症患者和对照人群中评估IOR,跨线索 (实验1) 和目标 (实验2) 位置.
- 研究了两个注意力阶段:脱离和重新定位.
主要成果:
- 在各种情绪刺激中,在精神分裂症和对照组中都观察到显著的IOR效应.
- 对照组显示较大的IOR效应大小与高唤起的负面刺激在指定的位置.
- 精神分裂症组表现出更大的IOR效应大小,在目标位置具有高激发性负面刺激.
结论:
- 研究结果表明,精神分裂症的注意力缺陷与情绪兴奋强度有关.
- 精神分裂症患者可能会在脱过程中过出高兴奋刺激,而对照可以增强处理.
- 在重新定位过程中,精神分裂症患者可能会"过度关注"威胁性刺激,与表现出"注意失明"的对照群不同.
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