Autistic thinking is characterized by holding ideas that are not bound by accepted realties but are reflective of the individual’s perception of the world. It is one of the fundamental signs of schizophrenia. Ambivalence refers to believing two opposing ideas toward the same situation. Characteristic emotional affect in schizophrenia is the display of emotions that are inappropriate or bizarre within the situation. Associative looseness includes thinking in an unorganized fashion as manifested by impaired reasoning.