Which of the following findings led to the conclusion that schizophrenia may be caused by dopamine activity?
a) Parkinson's disease is known to be caused by excess levels of dopamine.
b) People with Parkinson's disease are more likely to develop schizophrenia.
c) Drugs that relieve schizophrenic symptoms have side effects similar to Parkinson's disease.
d) All of the above are correct findings.
c
You might also like to view...
Which of the following is true regarding gender differences in the diagnosis of depression?
a) Gender differences are nonexistent in college students and single adults. b) Gender differences get larger as adults get older. c) Gender differences in childhood tend to reverse themselves in adulthood. d) Women are always diagnosed with depression more than men, regardless of occupation.
According to research on infants' recognition of their mothers,
a. infants can recognize that mothers look different from strangers, beginning at less than 1 week of age. b. because infants' vision is so primitive, they cannot visually recognize their mothers until they are about 6 weeks of age. c. prior to birth, the walls of the uterus prevent the sound of the mother's voice from reaching the fetus. d. infants do not seem to be able to distinguish their mother's voices from those of strangers until they are 4 weeks of age.