Jacob's behavior has become increasingly odd over the past several months. He says things like " I am frustrating." He hears voices telling him to steal groceries and he nolonger express love and...

Jacob's behavior has become increasingly odd over the past several months. He says things like " I am frustrating." He  hears voices telling him to steal groceries and he nolonger express love and affection to his family. Is Jacob experiencing a disorder of thought,emotion or self. Name the disorder. What 2 positive and negative symptoms does Jacob exhibit in the above example?