Mohit Saxena1,
S. Senthil Kumaran2, Madhuri Behari1, Vinay Goyal1
1Department
of Neurology, All India Institute of Medical Sciences, New Delhi, Delhi,
India; 2Department of NMR, All India Institute of Medical
Sciences, New Delhi, Delhi, India
Non-motor cognitive impairment like dysfunctions in executive/ speech/ attention/ memory loss are evident in Parkinsonism due to loss of dopaminergic neurons, in nigrostriatal tracts and mesocortical pathway. Identifying cognitive decline may help us understand the short term working memory deficit among the three types of parkinsonism and response to Levodopa.