作为回应奖励的冷酷无情特征和预喷射期
Frances R Chen1, Montana K Nowak1, Katherine M French1
1Department of Criminal Justice and Criminology, Georgia State University, Atlanta, Georgia, USA.
Psychophysiology
|June 26, 2024
概括
成年男性的冷酷无情 (CU) 特性与平均奖励反应性无关. 然而,较高的CU特征与较慢的初始习惯与奖励有关,随后是快速的习惯.
科学领域:
- 心理学 心理学 心理学
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
背景情况:
- 无情无情 (CU) 的特征对于识别严重的反社会行为至关重要.
- 了解CU特征中的奖励处理有助于行为修改.
- 以前的研究忽视了随着时间的推移的奖励反应模式,专注于平均反应性.
研究的目的:
- 调查CU特征与奖励处理模式之间的关联.
- 检查使用预弹射期 (PEP) 的平均奖励反应性和习惯性轨迹.
- 探索CU特征与奖励反应的时间动态之间的关系.
主要方法:
- 从美国大都市地区招募了126名成年男性.
- 使用冷酷无情特征清单评估CU特征.
- 在使用阻抗心脏图和心电图的简单奖励任务中测量了预喷射期 (PEP).
主要成果:
- 平均PEP奖励反应能力和CU特征之间没有发现显著的关联.
- CU特征预测了PEP反应性轨迹的线性和二次性斜率.
- 具有较高CU特征的个体表现出较慢的初始习惯,随后迅速习惯奖励.
结论:
- 对于研究CU特征而言,PEP奖励反应的轨迹很重要.
- 具有高CU特征的个体表现出明显的奖励反应模式:延迟的初始习惯,随后是快速的习惯.
- 这一发现表明,具有高CU特征的个体具有独特的奖励处理机制.
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