Kathy, a neuroscience graduate student, is running the final experiments for her thesis, The Effects of Loud Noise on Auditory Perception. Kathy stimulates the auditory nerve of rodents exposed to loud noise and records the activity of neurons in the primary and secondary cortices. Through which brain pathway is sound input processed prior to arriving at the primary and secondary
cortices??
a. ?cerebellum—substantia nigra—amygdala
b. ?striatum—hippocampus—hypothalamus
c. ?pons—reticular formation—hippocampus
d. ?medulla—midbrain—thalamus
ANSWER:
d
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Johnny is tormented in the schoolyard every day by a bully with bright red frizzy hair. One day, Johnny's father brought his boss, Mr. Dale, home. The boss had bright red frizzy hair, and Johnny ran to his room, crying. Mr. Dale's hair functioned as a __________, and Johnny's fear was a __________
a. US; CR c. CS; CR b. US; UR d. CR; CS
Marisa is at a point in her pregnancy when the blastocyst is moving down to her uterus, and the placenta begins to form. Which stage of prenatal development is Marisa currently experiencing?
A) fetal B) embryonic C) placental D) germinal
The embryonic stage of gestation covers what time period?
A) The first month B) The first trimester C) The first 2 to 8 weeks D) The first 2 to 8 months
According to the article Sound familiar about the ability of newborns to remember speech sounds, the variable which is manipulated or created by the experimenter is the:
(a) independent variable (b) subject variable (c) intervening variable (d) dependent variable