Subcortical dementia is seen in all except -
Subcortical dementia is seen in parkinsonism, Huntington's disease, Wilson's disease, progressive supranuclear palsy, idiopathic basal ganglion calcification (Fahr's disease), thalamic lesions, multiple sclerosis, HIV associated dementia and multisystem atrophy.
Alzheimer's disease causes cortical dementia.
Parkinsonism
Alzheimer's disease
Wilson's disease
Huntingtons chorea