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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Genes Brain Behav. 2011 Feb;10(1):28–34. doi: 10.1111/j.1601-183X.2010.00580.x

Figure 1.

Figure 1

Behavioral apparatus and clip of playback sound

a During the trial, the mouse moves freely throughout an arena with two distinct chambers. A video camera feeds footage of the trial into a desktop computer equipped with video tracking software. The tracking program discriminates which chamber the mouse is in and sends this information to a TDT playback system, which activates the speaker that projects into the chamber where the mouse is. In a given trial, the sound file associated with one speaker contains only silence while the other contains recorded male vocalizations. b A one-second long sample from the minute-long recording used as stimulus. The recording was made from an adult male CBA/CaJ mouse in response to female olfactory stimuli. The sample shown here is a one-second long clip taken from the middle of the recording (approximately 2 seconds in).