自我报告的头部损伤史与延迟折扣任务的认知冲动性有关
M Todd Allen1, Alejandro Interian2,3, Vibha Reddy4
1School of Psychological Sciences, University of Northern Colorado, Greeley, CO, United States of America.
PeerJ
|March 11, 2025
概括
头部损伤史 (HI) 患者表现出增加的认知冲动性,这意味着他们更喜欢即时的奖励而不是更大的延迟奖励. 这项研究发现,两组运动冲动性之间没有差异,支持了以前对轻度创伤性脑损伤 (TBI) 的研究.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 行为科学 行为科学
背景情况:
- 头部受伤,包括创伤性脑损伤 (TBI),是严重的健康问题,具有潜在的长期认知,精神和身体后果.
- 新兴研究表明,TBI病史与冲动性增加之间存在联系.
- 以前对轻度TBI的退伍军人进行的研究表明认知,但不是运动,冲动性增加.
研究的目的:
- 在大学本科生报告头部损伤史的非临床样本中调查认知和运动冲动性.
- 确定自我报告的头部损伤是否与认知冲动性 (喜欢立即奖励) 和运动冲动性 (难以抑制反应) 相关.
主要方法:
- 116名本科生参加了这项研究:50人有头部损伤史 (HI+),66人没有 (HI-).
- 参与者完成了人口调查问卷,UPPS冲动行为量表,运动冲动性的Go/No-go任务,以及认知冲动性的货币选择问卷 (MCQ).
主要成果:
- 与HI-组相比,具有头部损伤 (HI+) 史的个体表现出显著更高的认知冲动性,根据MCQ测量.
- 在去/不去任务中,在HI+和HI-组之间没有观察到运动冲动性的显著差异.
- 这些发现与以前对临床人群中轻度TBI的研究一致.
结论:
- 在非临床样本中,自我报告的头部损伤史与认知冲动性有关,但与运动冲动性无关.
- 未来的研究应该研究特定的头部损伤特征,以进一步阐明与认知冲动性的关系.
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