Seasonal patterns of neurogenesis in European starlings (Sturnus vulgaris) are region- and sex-specific.

ABSTRACT: Songbird vocal behavior, physiology, and brains-including neurogenesis-change between seasons. We examined seasonal differences in neurogenesis in three brain regions associated with vocal production and learning, HVC (letter-based proper name), robust nucleus of the arcopallium (RA), and Area X, and two brain regions associated with auditory perception, caudomedial nidopallium (NCM) and caudomedial mesopallium (CMM). To do this, we captured wild male and female European starlings (Sturnus vulgaris) in spring and fall, collected a blood sample, and minimized time from capture to tissue collection to limit suppressive effects of captivity on neurogenesis. We quantified neurogenesis using doublecortin (DCX) immunohistochemistry, counting new neurons of three DCX cell morphologies (multipolar

SUBMITTER: Aitken SDT 

PROVIDER: S-EPMC12145945 | biostudies-literature | 2025 Jun

REPOSITORIES: biostudies-literature