Contact: Mary Jane Gore
Duke University Medical Center
Caption: Neurons (nerve cells) are labeled with green fluorescent protein, and other neurons in the brain are labeled in the background with either red or blue tracers. The small bulbs (i.e., dendritic spines) on the spidery dendrites show places where nerve cells connect and communicate, called synapses, and when these spines shrank over time, this predicted vocal degradation in the songbirds.
Credit: Katie Tschida, Duke Department of Neurobiology
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