Javier is a migrant worker in a California orchard, and has been sad ever since he left his home in Central America two years ago. Although he believes he can provide more for his family by continuing the work he has, he feels down all the time, has
trouble sleeping, and has no appetite at all. He can't concentrate at anything. Given that his symptoms have lasted for two years, Javier probably has
a. dysthymia.
b. cyclothymia.
c. major depressive disorder.
d. bipolar I disorder.
a
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Children who are not exposed to language until late in life are often unable to use complex features of language. This suggests that learning language involves ____
a. ?conditioning b. ?a language acquisition device c. ?a critical period d. ?semantic networks
According to research on perception in infants, the first thing that infants should be able to do after birth is to
A. focus on the corner of a triangle. B. pay attention to a human face. C. perceive the pattern of an object. D. be able to perceive depth.
What is the most likely explanation that the basic level effect does not apply when a perception occurs very quickly?
A. Perception needs to become more detailed in stressful circumstances. B. With little time to react, the brain categorizes potential danger at a more generalized level. C. Exemplars take more time to process than prototypes. D. Formal categories are more necessary to survival than natural categories.
A drug company seeking to develop a new antischizophrenic drug would want to develop a drug that reverses both positive and negative symptoms but that avoids the blockage of ________ receptors within the ________ of the schizophrenic brain
a. D1; nucleus accumbens b. D2; medial prefrontal cortex c. D3; hippocampus d. D2; striatum e. D4; amygdala