Psychology is basically the study of behaviour of human brain.....its basically about how the human brain behave...psychology course can be done as Bsc or BA...
Bsc is where to mainly focuss on the scientific attitude of the human mind
and BA is where to mainly focuss on the artistic basis of human mind.....but frankly speaking Bsc is psychology fetch you more job oppertunity..!!!
hope the answer helped...!!! :)