According to the dopamine theory of schizophrenia, symptoms occur because:
a. There is too much dopamine activity in the brain
b. There is too little dopamine activity in the brain
c. Dopamine is broken down more quickly than usual
d. "The schizophrenia gene" involves dopamine production
A
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On which of the following is Freud's theory as a homeostatic approach based?
a. Balance and equilibrium c. Sexual fantasies from childhood b. Homosexuality and heterosexuality d. None of these are correct.
Eleven-year-old Summer has an autism spectrum disorder. To help her prepare for new experiences, her family relies on specially developed stories about the situations. For example, when Summer has an upcoming appointment withthe dentist, her family reads her books about a girl who visits the dentist. The stories help Summer know what to expect and how she should behave. These stories are often
referred to as social ____. a. cognitions b. attributions c. schemas d. scripts
Hermann von Helmholtz's explanation of color vision is called the ______ theory
a) opponent-process b) additive color mixing c) trichromatic d) reductive color mixing
Which of the following statements is true about the Cohen study of emotional style and health?
A. Negative or positive emotions did not affect how many symptoms people reported. B. Those with higher positive emotions reported fewer symptoms of illness. C. People with negative emotional styles were more likely to report them. D. Those with lower positive emotions reported fewer symptoms of illness.