Biological amnesia is -: (A) Lack of interest, (B) Presenile dementia, (C) Opioid addiction, (D) Hypothyroidism
Answer is B. Biological amnesia:- Head injury (concussion/brain bruises), drugs (Marijuana, alcohol), brain disease (Korsokoff syndrome, Brain tumors, multiple sclerosis, presenile dementia), temporary disturbances in brain blood supply, and transient global amnesia.
Psychological amnesia :- Childhood amnesia, dream amnesia, defensive amnesia