Parkinson's disease patients lack an adequate amount of dopamine due to malfunction of:
a. the medulla and pons of the hindbrain
b. the hypothalamus of the forebrain
c. the cerebral cortex of the forebrain
d. the substantia nigra of the midbrain
D
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Warneken and Tomasello (2006) studied the helping behavior of 18-month-old infants with an adult experimenter. They found that a. infants this young didn't demonstrate empathy or helping of any kind. b. infants this young understood when the experimenter needed help and, in the majority of cases, attempted tohelp
c. infants this young didn't seem to sense when the experimenter needed help. d. infants this young understood when the experimenter needed help but did not know how to offer help.
The heritability of impulsive aggression is very low, indicating that most human aggression is the result of learning and other environmental influences
a. True b. False Indicate whether the statement is true or false
The physical memory trace for information in the brain is known as the engram
a. true b. false
What percentage of infants are currently breast fed in the United States and Canada?
a. 10% b. 40% c. 70% d. 99%