Which statement is true of neurons within the ventrolateral preoptic area (vlPOA)?

A. Damage to the vlPOA produces sleepiness.
B. Excitotoxic lesions of the vlPOA in cats increased sleep.
C. vlPOA neurons have a low firing rate during sleep.
D. Electrical stimulation of vlPOA neurons produces signs of drowsiness.


Answer: D

Psychology

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Because of transduction, we stop smelling scents that we are exposed to repeatedly.

Answer the following statement true (T) or false (F)

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Charlie Parker has experienced several pairings of electric shock with the Debbie Gibson song "Reverse Psychology" and has been successfully conditioned to react with anxiety to the song. Now, instead of being paired with the shock, the song is paired with a flashing green light (a previously neutral stimulus). If Charlie still reacts with anxiety when the green light is flashed without the song, he will have

A. been shaped. B. displayed higher-order conditioning. C. displayed spontaneous conditioning. D. successfully discriminated stimuli.

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At birth the size of an infant's brain is ____% of an adult's brain and by age 2 it is ____% of an adult's brain

a. 5%; 50% b. 15%; 60% c. 25%; 70% d. 35%; 80%

Psychology

Rachel is a high school junior who has explored several employment and education alternatives. She has chosen to attend the community college near home to become a diesel mechanic. What is the identity status of Rachel according to James Marcia?

A. Identity diffusion B. Identity achievement C. Identity moratorium D. Identity foreclosure

Psychology