|The figure depicts the main auditory streams to the vocal control nucleus MO in the budgerigar.
For ease of readability pathways associated with the lateral MO are depicted on the right
side of the drawing and those reaching the medial MO are decpited on the left
side of the drawing.
The reader is also referred to specific publications (Brauth et al, 2001; Brauth et al, 2002;
Durand et al, 1997; Wild and Farabaugh, 1997; Striedter, 1994) for more information.
In these experiments we measured zenk protein expression in each auditory nucleus in response to presentation of an unfamiliar contact call and a contact call the birds were previously familiarized with due to repeated presentation.
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