Bulimia Nervosa is characterised by uncontrollable eating binges, followed by an attempt to compensate for the binge.

The proposed changes to the APA's Diagnostic and Statistical Manual for classifying mental illness include the removal of the 5 schizophrenia subtypes currently listed in DSM IV.

Narcissism is a personality disorder, characterised by "a pervasive pattern of grandiosity, need for admiration, and a lack of empathy" (DSM IV-TR). Narcissists have an exaggerated sense of self-importance, believe they are special and unique, have…

Vygotsky criticised Piaget’s emphasis on the child’s interaction with the environment, claiming that Piaget ignores the role of social interaction. Vygotsky, in contrast, sees the child as an apprentice who learns through interacting with others rather…