Structural Outline of Spontaneous Motor Activity Monitor Using Infrared Photoelectric Switch for Small Animals

Toru R. SAITO; Jun SANO; Kazuaki W. TAKAHASHI

doi:10.1538/expanim1978.28.2_313

Experimental Animals

Online ISSN : 1881-7122
Print ISSN : 0007-5124

Structural Outline of Spontaneous Motor Activity Monitor Using Infrared Photoelectric Switch for Small Animals

Toru R. SAITO, Jun SANO, Kazuaki W. TAKAHASHI

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JOURNAL FREE ACCESS

1979 Volume 28 Issue 2 Pages 313-316

DOI https://doi.org/10.1538/expanim1978.28.2_313

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Abstract

A simple monitor was developed for measuring the spontaneous motor activity (SMA) of small laboratory animals. The monitor was designed to measure animal ambulation along a horizontal axis by means of two infrared photo-beams. Using the monitor, male mice 7 to 10 weeks of age at the commencement of this experiment showed high SMA values for the first 15 min and low values for the last 15 min of the experiment.

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