You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Subcoical dementia is seen in all Except: and explain in detail?
DEMENTIA SUBCOICAL COICAL 1 Characteristic Parkinson disease Huntington disease Wilson 's disease spinocerebellar degeneration coicobasal degeneration normal pressure hydrocephalus Alzheimer Vascular Frontotemporal Lewy Body Dementia 2 Pathology* Prominent changes in striatum , thalamus Prominent changes in coical association areas 3 Severity Mild to moderate More severe 4 Speed of cognition Slow Normal 5 Memory deficit * Initially failure of retrieval storage and recall deficit 6 Language Less affected initially Early aphasia 7 Gnostic -practice abilities Less affected initially Affected early 8 Personality * Apathetic , ine Indifferent 9 Mood * Depressed Euthymic 10 Abnormal movements Chorea , trembling , tics Rare 11 Motor abnormalities* Extrapyramidal Uncommon, gegenhalten 12 Posture Stooped Normal 13 Coordination Affected Normal 14 Reversibility Reversible Unlikely Reference: Page No.25 chap 2 clinical features of dementia