Levels of zenk mRNA in male zebra finches FAILED to increase when the subject male was
A) first exposed to the recorded song of another male zebra finch.
B) exposed to a second, unfamiliar male zebra finch.
C) with repeated exposures to the recorded song of the other zebra finch.
D) In all of the above cases. (Recorded song doesn't stimulate zenk activity.)

Question

Quizplus · Accepted Answer

Repeated exposures to the recorded song of the other zebra finch lead to habituation, which results in no increase in zenk mRNA levels.

Levels of Zenk MRNA in Male Zebra Finches FAILED to Increase