Describe and give an example of how muscles produce (a) flexion and (b) extension of a limb.

What will be an ideal response?


Contraction of a flexor muscle produces flexion, which draws a limb in toward the body. Contraction of an extensor muscle moves a limb out from the body (antigravity action). A four-legged animal lifts its paw by contracting the flexors and places the paw back down by contracting the extensors.

Psychology

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Advances in neuroimaging techniques have most strongly benefitted which field?

a. behavioral psychology b. cognitive psychology c. clinical neuropsychology d. health psychology

Psychology

Cross-cultural studies regarding the treatment of psychotic disorders suggest that ____

a. traditional healing is more effective than medication for individuals from non-Western cultures b. medication is more effective than traditional healing for individuals from non-Western cultures c. although medications may have some limited success for individuals from non-Western cultures, there are times when traditional healing may be more effective d. even for individuals from non-Western cultures, traditional healing has not been found to be effective for psychotic disorders

Psychology

EEG recordings during REM sleep are similar to _________ waves

a. beta and alpha b. beta and theta c. alpha and theta d. theta and delta

Psychology

Someone engaged in self-actualization is said to be

a. socially integrated. b. a fully feeling person. c. a fully functioning person. d. a rational actor.

Psychology