Amnesia is found

3.Amnesia is found in -

a.Head injury
b.mania
c.schizophrenia
d.psychiatric state

sol:
Amnesia is often caused by a traumatic injury to brain, such as a blow to the head. Other causes are degenerative brain diseases (e.g., Alzheimer’s disease), blockage of cerebral blood vessels, infectious diseases, chronic alcoholism, and psychological (dissociative amnesia).