An infrared device to monitor discrete ambulatory and stereotypic behaviors |
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Authors: | Rex L. Clarke Robert F. Smith Don R. Justesen |
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Affiliation: | 1. Behavioral Radiology Research Laboratories, Veterans Administration Medical Center, 64128, Kansas City, MO 2. University of Kansas School of Medicine, Kansas City, Missouri
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Abstract: | An electronic device that can detect discrete ambulatory and stereotypic behaviors of animals is described. The system involves a minimum of two infrared (IR) beams, each connected to a set/reset flip-flop or latch. The initial occlusion of an IR beam simultaneously sets a latch, delivers a locomotion pulse output, and resets any previously set latch whose IR beam is not occluded. A set latch causes its associated IR beam to be refractory to further locomotion movements until reset by the occlusion of a second IR beam. All beams are continuously responsive to stereotypic activity. |
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