21. The neurotransmitter(s) involved in pain perception and pain relief is (are)

Question

21. The neurotransmitter(s) involved in pain perception and pain relief is (are) A) GABA B) ACh C) endorphins D) dopamine -22. A major difference between hormones and neurotransmitters is that A) hormones are part of the peripheral nervous system and neurotransmitters are B) neurotransmitters are released at their target site whereas hormones are carried C) there are significantly more hormones in the body than neurotransmitters part of the central nervous systenm through the bloodstream to target sites only hormones are capable of influencing male sexual activity through the effects D) -23. What are the two factors in Schachter and Singer's two-factor theory? A) B) C) D) physiological arousal and behavioral response behavioral response and emotional feeling cognitive appraisal and emotional feeling physiological arousal and cognitive appraisal 24. The hippocampus is involved in whereas the amygdala is involved in_. A) B) C) D) regulating aggression and fear; maintaining an internal equilibrium maintaining an internal equilibrium; regulating aggression and fear forming memories; regulating aggression and fear maintaining an internal equilibrium; forming of memories 25. The right and left hemispheres of the brain are connected by theand are covered by the A) association areas; motor cortex B) motor cortex; association areas C) corpus callosum; cerebral cortex D) cerebral cortex; corpus callosum 26. When psychophysicists ask participants to answer "yes" or "no" regarding whether a stimulus was detected, they are measuring the A) just noticeable difference (ind) D) All of these are being measured. not sure. Josh is using a criterion that will result in B) absolute threshold C) difference threshold 27. In a signal detection task, Josh often indicates he has seen the signal, even when he is false alarms and misses. A) many; many B) many; few C) few; many D) few; few

Explanation / Answer

Question 21

Answer: C

Question 22

Answer: B

Question 23

Answer:C

Question 24

Answer: C

Question 25

Answer: C

Question 26

Answer:D

Question 27

Answer: B

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