<prompt> Reversible dementia is a feature of:-Alzheimer;s diseasePicks diseaseMultiinfarct dementiaHypothyroidism  <response>: Reversible dementia causes- 1 Neurological conditions -Subdural hematoma, normal pressure hydrocephalus, intracranial tumors, intracranial abscess 2 Infectious cause - Meningitis, encephalitis, neurosyphilis, Lyme disease 3 Metabolic causes - Vitamin B 12 or folate deficiency, niacin deficiency, hyper and hypothyroidism, hyper and hypoparathyroidism 4 Others - Drugs, alcohol abuse , autoimmune encephalitis 