Dopamine Depletion Affects Vocal Acoustics and Disrupts Sensorimotor Adaptation in Songbirds.

eNeuro · 2019 · PMC6565373 · PMID 31126913

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fell short of significanceno p-value reported

This was due to the fact that while birds subjected to the –1 semitone shift did reduce their pitch on average, a few syllables for each bird increased their pitch, resulting in a group effect that fell short of significance.

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