The type of arrangement of the receptive fields of cortical cells provide us with what type of visual information?
A. the border of an object that is lighter or darker than its background
B. spots of light-dark contrasts
C. differences in colors of objects in the environment
D. none of these
Answer: A
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In a large sample of males followed from birth into adulthood, child maltreatment predicted significantly more adolescent conduct problems if the boys were genetically predisposed to__________ activity
a. high MAOA b. low MAOA c. low dopamine d. high dopamine
Early-maturing girls
a. have higher self-esteem than later-maturing girls. b. achieve higher grades than their later-maturing counterparts. c. have fewer conduct problems than later-maturing girls. d. may feel very conspicuous.
Which of the following reflects the view of contemporary developmental psychologists and is in contrast to Piaget’s analysis?
a. ?Children’s abilities to understand objects in their world depend on their development of language abilities. b. ?Very young children seem to understand a great deal about objects and how they work, even before they have had much experience interacting with them. c. ?Very young children seem to understand a great deal about objects and how they work, once they have gained substantial experience interacting with them. d. ?Children’s abilities to understand objects in their world develop slowly over time.
Explanations for anorexia nervosa have changed from time to time. Today the best explanation seems to be:
a. anorexia is purely physiological b. anorexia is purely psychological c. both physiological and psychological mechanisms are involved d. anorexia cannot be explained