Rats housed in a more natural environment that was dark, familiar, and quiet showed that their _______.
A) appetitive zone shrank to just 5% of the entire accumbens shell
B) aversive zone expanded to fill approximately 90% of the entire accumbens shell
C) appetitive zone expanded to fill approximately 90% of the entire accumbens shell
D) nucleus accumbens was unchanged
Correct Answer:
Verified
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