Handbook of Parkinson's Disease

A degenerative condition of the central nervous system, which affects the motor system, is called Parkinson’s disease (PD). The symptoms of this disease are mostly with respect to motor abilities and expressed in terms of rigidity, shaking, difficulty in walking and slowness of movement. These motor difficulties are collectively termed as ‘parkinsonism’. When parkinsonism occurs with no identifiable cause, it is termed as ‘idiopathic parkinsonism’. When neurodegenerative disorders occur wit...