Apathy and the Functional Anatomy of the Prefrontal Cortex–Basal Ganglia CircuitsAbstract The clinical signs grouped under the concept of apathy are a common feature of prefrontal and basal ganglia lesions or dysfunctions and can therefore help to improve our understanding of the functional anatomy of the prefrontal–basal ganglia system. Apathy is here defined as a quantitative reduction of voluntary, goal-directed behaviors. The underlying mechanisms responsible for apathy ca
前頭葉症候群から見たアパシー（意欲減退症候群）
