Locomotor Chamber Behavior Tracking

Locomotor chambers were constructed with black acrylic walls (47.5 cm length × 15.5 cm width × 30 cm height) and smooth matte black flooring. Positioned directly above each chamber were infrared video cameras hooked up to a 16-channel DVR (Swann Communications, Inc., Santa Fe Springs, CA). Locomotion was captured by the cameras and analyzed by Topscan video tracking software (Clever Sys., Inc., Reston, VA; Flagel and Robinson, 2007; Meyer et al., 2012b (link)). Condenser microphones with a flat frequency range up to 250 kHz at 8-bit resolution (Model CM16/CMPA, Avisoft Bioacoustics, Berlin, Germany), were placed 8 cm above each chamber and connected to an UltraSoundGate 416H recorder with four balanced analog inputs (Avisoft Bioacoustics, Berlin, Germany). USV recordings were converted to spectrograms and analyzed by an experimenter in Adobe Audition (Adobe Systems Inc, San Jose, CA).

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Tripi J.A., Dent M.L, & Meyer P.J. (2016). Individual differences in food cue responsivity are associated with acute and repeated cocaine-induced vocalizations, but not cue-induced vocalizations. Psychopharmacology, 234(3), 437-446.

Publication 2016

Topscan video tracking software Model CM16/CMPA Adobe Audition

Locomotion Reston Springs

Corresponding Organization : University at Buffalo, State University of New York

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Variable analysis

independent variables

None explicitly mentioned

dependent variables

Locomotion captured by infrared video cameras and analyzed by Topscan video tracking software
Ultrasonic vocalizations (USVs) recorded by condenser microphones and analyzed by an experimenter in Adobe Audition

control variables

Locomotor chambers constructed with black acrylic walls (47.5 cm length × 15.5 cm width × 30 cm height) and smooth matte black flooring
Infrared video cameras positioned directly above each chamber and hooked up to a 16-channel DVR
Condenser microphones with a flat frequency range up to 250 kHz at 8-bit resolution placed 8 cm above each chamber and connected to an UltraSoundGate 416H recorder

controls

No positive or negative controls were explicitly mentioned in the provided information.

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