One reason that Helmholtz's discovery of the speed of an electrical impulse along a nerve is important is because it showed that:
a. the speed of a neural impulse is greater than 100 miles per hour
b. Galvani's ideas about nerve impulses was wrong
c. it is possible to experimentally study the function of the nervous system
d. instinct theories were wrong
c
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What are obsessions? What are compulsions? Give an example of each.
What will be an ideal response?
Paul and Linda have sex a few times a month. They are part of about _____ percent of married couples
a. 1-3 c. 32-36 b. 7 d. 43-47
There is evidence that all of the following may be reasons that mothers use infant-directed speech except
a. Infants show a preference for infant-directed speech. b. Infants can tell the difference between words more easily when they are spoken in infant-directed speech. c. Mothers try to regulate the emotional responses of their babies with infant-directed speech. d. Mothers learn that this skill sill helps infants acquire language.
Some psychologists argue that the whole enterprise of the DSM an inherently subjective process because clinicians vote on which diagnoses should be included or rejected
For example, new disorders have been voted in that reflect today's prejudice and values. Describe one of these changes in the DSM that reflects contemporary values. What will be an ideal response?