控制情绪:冲动,深层脑刺激和帕金森综合症的药物治疗
Hold Your Horses:
Impulsivity, Deep Brain Stimulation, and Medication in Parkinsonism
Michael J. Frank,1* Johan Samanta,2,3 Ahmed A. Moustafa,1 Scott J. Sherman3
1Department of Psychology and Program in Neuroscience,
University of Arizona, Tucson, AZ 85721, USA.
2Banner Good Samaritan Medical Center, Phoenix, AZ 85004,
USA. 3Depart-ment of Neurology, University of Arizona, Tucson, AZ 85724, USA.
*To whom correspondence
should be addressed. E-mail: mfrank@u.arizona.edu
Accepted: 15 June 2007 by SCIENCE
(translated
by zang jie)
摘要:丘脑底核的深部脑刺激(DBS)可以明显改善帕金森氏病的运动症状,但会引起冲动等认知副作用。我们发现,当面临决策冲突时,DBS选择性地干扰正常的延迟决策能力。在使用DBS时,患者实际上在高冲突条件下加快了决策速度。这种形式的冲动不受多巴胺能药物状态的影响。相反,药物治疗会削弱患者学习负面决策结果的能力。这些发现暗示了在治疗的帕金森氏病患者中产生冲动的独立机制,并且是由基底神经节的单个神经计算模型预测的。
翻译原文:Hold Your Horses:
Impulsivity, Deep Brain Stimulation, and Medication in Parkinsonism
翻译稿件:控制情绪:冲动,深层脑刺激和帕金森综合症的药物治疗