Does attentional focus modulate affective information processing in male violent offenders with psychopathic traits?
Does attentional focus modulate affective information processing in male violent offenders with psychopathic traits?
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注意力集中是否会调节具有精神病特征的男性暴力犯罪者的情感信息处理？
DOI：
10.1002/jnr.24941
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发表时间：
2021
影响因子：
4.2
通讯作者：
Schönenberg M
中科院分区：
文献类型：
--
作者：
Scheeff J;Schneidt A;Schönenberg M
反社会和精神病患者的特点是对情感信息的反应减弱。然而，人们对注意力过程作为这些缺陷的可能调节器的作用知之甚少。目前的研究调查了被监禁罪犯样本在控制注意力焦点时的早期和晚期情绪刺激处理。 27 名具有精神病特征的男性暴力犯罪者和 27 名健康对照者完成了两项实验任务，同时收集了脑电图 (EEG) 数据。任务 1 评估感知判断任务期间情绪或中性干扰因素的间接处理，而任务 2 测量情绪或中性刺激的直接处理，并要求参与者对有关效价和唤醒的刺激进行评级。脑电图数据表明实验组之间的早期处理（早期后阴性）没有差异。然而，我们发现后期加工阶段（后期正电位，LPP）存在显着的组间差异。与任务 1 相比，对照组显示任务 2 中的 LPP 幅度增加，表明任务需求（即注意力集中）对情绪刺激的处理有影响。相比之下，暴力犯罪者组的 LPP 振幅在很大程度上不受任务要求的影响，这表明情绪刺激的神经处理发生了特定的后期变化。总之，这项研究为具有精神病特征的男性暴力犯罪者的注意力对情感信息处理的调节作用提供了新的证据。
Antisocial and psychopathic individuals are characterized by a reduced responsivity to affective information. Yet, the role of attentional processes as possible modulator of these deficits is poorly understood. The current study investigated early and late processing of emotional stimuli in a sample of incarcerated offenders while manipulating the attentional focus. Twenty‐seven male violent offenders with psychopathic traits and 27 healthy controls completed two experimental tasks while electroencephalography (EEG) data were collected. Task 1 assessed indirect processing of emotional or neutral distractors during a perceptual judgment task, while Task 2 measured direct processing of the emotional or neutral stimuli and required participants to rate the stimuli regarding valence and arousal. EEG data indicated no differences in early stage processing (early posterior negativity) between the experimental groups. However, we found significant group differences with regard to the late processing stage (late positive potential, LPP). Controls showed increased LPP amplitudes in Task 2 as compared to Task 1, indicating that task demands (i.e., attentional focus) had an effect on the processing of the emotional stimuli. In contrast, LPP amplitudes in the violent offender group were largely unaffected by task demands, suggesting specific late alterations in the neural processing of emotional stimuli. In sum, this study provides new evidence for a modulatory impact of attention on affective information processing in male violent offenders with psychopathic traits.
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