Sierra Mauricio, Senior Carl, Phillips Mary L, David Anthony S
Institute of Psychiatry, Denmark Hill, London, UK.
Psychiatry Res. 2006 Dec 7;145(2-3):225-31. doi: 10.1016/j.psychres.2005.05.022. Epub 2006 Oct 30.
Patients with depersonalization disorder have shown attenuated responses to emotional unpleasant stimuli, hence supporting the view that depersonalization is characterised by a selective inhibition on the processing of unpleasant emotions. It was the purpose of this study to establish if autonomic responses to facial emotional expressions also show the same blunting effect. The skin conductance responses (SCRs) of 16 patients with chronic DSM-IV depersonalization disorder, 15 normal controls and 15 clinical controls with DSM-IV anxiety disorders were recorded in response to facial expressions of happiness and disgust. Patients with anxiety disorders were found to have greater autonomic responses than patients with depersonalization, in spite of the fact that both groups had similarly high levels of subjective anxiety as measured by anxiety scales. SCR to happy faces did not vary across groups. The findings of this study provide further support to the idea that patients with depersonalization have a selective impairment in the processing of threatening or unpleasant emotional stimuli.
人格解体障碍患者对情绪不愉快刺激的反应减弱，因此支持了这样一种观点，即人格解体的特征是对不愉快情绪加工的选择性抑制。本研究的目的是确定对面部情绪表达的自主反应是否也表现出同样的钝化效应。记录了16名患有慢性DSM-IV人格解体障碍的患者、15名正常对照者和15名患有DSM-IV焦虑症的临床对照者对快乐和厌恶面部表情的皮肤电反应（SCR）。尽管两组通过焦虑量表测量的主观焦虑水平相似，但发现焦虑症患者的自主反应比人格解体患者更大。对快乐面孔的SCR在各组之间没有差异。本研究结果进一步支持了这样一种观点，即人格解体患者在处理威胁性或不愉快情绪刺激方面存在选择性损害。
