Abstract
Parkinson's disease is the second most common neurodegenerative disease of the elderly caused by the neurodegenerative process in different parts of the brain, which resulted in motor and non-motor symptoms. Investigation of non-motor symptoms of Parkinson's disease is increasingly rising for the last years. Social cognition is a special type of cognitive process, which provides people interaction in the society and their impairment also can be observed in Parkinson's disease. Social cognitive functions include many aspects: the theory of the mind, morality, personality changes and behavioral disorders. Each of these aspects is based on different neurophysiological, neurochemical and neuroanatomical substrates. This article is an effort to get closer to understanding of the changes, which occur in the brain of a patient with Parkinson's disease.
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