Some of the physical and psychological symptoms associated with ____________________ withdrawal are insomnia, irritability, difficulty concentrating, and increased appetite or weight gain

Which developmental psychologist theorized that concepts preceded and aided the development of language?

a) Vygotsky b) Piaget c) Sapir d) Whorf

Your textbook suggests that there is a great irony involved in research on schizophrenia, noting that

a. the original physician who developed the diagnostic category was later diagnosed with schizophrenia himself. b. for over 100 years, we have known that the diagnostic category we now recognize as schizophrenia may well be composed of many different kinds of mental disorders. c. we have had a clear model of the cause of schizophrenia for over 100 years, but we have still not identified an effective treatment. d. schizophrenia is really another name for bipolar disorder.