在大学生患有副综合征性抑郁症的奖励处理工作记忆训练:基线抑郁症严重程度的影响
Lulu Hou1, Fangfang Long2, Weiyi Zhou2
1School of Psychology, Shanghai Normal University, Shanghai 200234, China; Shanghai Key Laboratory of Mental Health and Psychological Crisis Intervention, School of Psychology and Cognitive Science, East China Normal University, Shanghai 200062, China.
Biological psychology
|October 11, 2023
概括
工作记忆训练 (WMT) 在患有副综合征性抑郁症的学生中没有改善奖励处理. 然而,与对照组不同的是,WMT对与损失反相关的认知控制产生了同质的影响.
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
- 精神病学是一个精神病学.
背景情况:
- 以前的研究表明,工作记忆训练 (WMT) 可能会增强奖励处理.
- 对于WMT对奖励处理的影响的持续时间,延迟效应和神经生理指标仍然不清楚.
研究的目的:
- 调查WMT对奖励处理的长期影响.
- 检查WMT之后的奖励处理的神经生理相关性.
- 评估WMT对患有副综合征性抑郁症的人的影响.
主要方法:
- 40名患有副综合征性抑郁症的大学生被随机分配到WMT或对照组.
- 参与者接受了20天的训练计划,并在前测试,测试后和3个月的随访中完成了行为 (快乐时间体验量表) 和脑电图 (EEG) 测量 (门任务).
- 主要结局包括奖励相关的积极性 (RewP) 和门任务期间的theta功率.
主要成果:
- 在测试后或随访时,在奖励处理或快乐方面没有观察到任何显著的群体差异.
- 乙太功率的变化 (认知控制到损失反) 受到基线抑郁症严重程度的缓解.
- WMT组表现出theta功率的同质变化,而对照组表现出更大的变化,抑郁症的严重程度更高.
结论:
- 在这个样本中,WMT没有显示出对奖励处理的广泛影响.
- WMT可能会导致与损失反相关的认知控制更一致的变化,对于抑郁症严重程度较高的人来说尤其有益.
- 研究结果突出了不干预的认知控制变化的异质性,并表明WMT对抑郁症认知功能的特定方面有潜在的益处.
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