压力影响帕金森病患者的享乐反应，但不影响伸手抓握动作。
Stress affects hedonic responses but not reaching-grasping in Parkinson's disease.
作者信息
Macht Michael, Brandstetter Susanne, Ellgring Heiner
机构信息
University of Würzburg, Department of Psychology (Biological Psychology, Clinical Psychology and Psychotherapy), Marcusstrasse 9-11, 97070 Würzburg, Germany.
出版信息
Behav Brain Res. 2007 Feb 12;177(1):171-4. doi: 10.1016/j.bbr.2006.10.032. Epub 2006 Nov 28.
Stress can transiently increase motor symptoms of Parkinson's disease (PD), but it is unclear whether other behavioural changes associated with PD are also affected. We found that reaching-grasping was impaired in 19 PD patients compared with 19 matched controls, but these impairments were not amplified by stress. However, patients showed a stress-induced reduction of hedonic responses. Stress may amplify those impairments in PD that are not accessible to cognitive control.
压力可使帕金森病（PD）的运动症状暂时加重，但尚不清楚与PD相关的其他行为变化是否也会受到影响。我们发现，与19名匹配的对照组相比，19名PD患者的抓握动作受损，但这些损伤不会因压力而加剧。然而，患者表现出压力诱导的享乐反应降低。压力可能会加剧PD中那些认知控制无法触及的损伤。
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