The basal ganglia is a series of highly connected brain areas localised deep in the cerebral cortex that freshly has attracted interest of neuroscientists when it was linked to learning, and discovered to be mannered in a number of disorders of the addictive and obsessive spectrum, but also in Parkinson's disease (PD). And now researchers think they have understood why as they found that neurons in this area signal the beginning and the end of unremunerated actions. In fact, problems in these neurons could explain the "incapacity to stop" seen in compulsion or compulsive behaviour, but also the problems in information and control of stirring fixed of Parkinson's

More: - Brought to my attention by