My father is 76 yrs old. He is suffering from diabetes, bp, hypertension, prostrate. Few days back he got brain stroke in which his eye sight vein is affected. Memory became low. Physican advised vision and memory will come slowly in few months. We consulted neuro physician he said reports are OK vision and memory will come in few months. But now his behaviour is abnormal. He closes door, window and then open, stares up then closes fan, we consulted psychetrist gave medicine for suffocation.