Subcortical dementia

Subcortical dementias includes those diseases which predominantly affects the basal ganglia along with features of cognitive decline.

Diseases such as progressive supranuclear palsy, Huntington's chorea and Parkinson's disease are different in many features from the other cortical dementias like Alzheimer's disease. Yet these patients present clinically with mild forgetfulness and slowed thought process along with abnormal movements and problems with motility.