Evolution of songbird vocal imitation involved multiple cellular innovations
Carlos G. Orozco, Ziran Zhao, Ashwinikumar Kulkarni, Judith James, Devin P. Merullo, Geneviève Konopka, Todd F. Roberts
The paper identifies novel cellular innovations in songbird pallium associated with vocal imitation, including specialized glutamatergic and GABAergic neurons and increased astrocyte proportions.
bioRxiv · Apr 29, 2026 · PreprintNeuroscience