During the course of an experiment which has been fully described in an earlier paper,1 certain observations were made which had no particular relevancy to the problem then under investigation but which were of such a striking and perplexing nature as to demand independent consideration. A group of ten adult common pigeons, which were to be subjected to repeated bodily rotation in an attempt to reduce the duration of their postrotational nystagmus through habituation, were tested on two successive days for nystagmus by means of twenty turns in the clockwise direction at the rate of one turn in 1.5 seconds. Since the average duration of the nystagmus for the group on the first day was 21.7 seconds and on the second day, 18.5 seconds, there was thus recorded an average reduction of 3.2 seconds. In the light of previous observations, which had indicated that an appreciable reduction in the
MOWRER OH. INFLUENCE OF "EXCITEMENT" ON THE DURATION OF POSTROTATIONAL NYSTAGMUS. Arch Otolaryngol. 1934;19(1):46–54. doi:10.1001/archotol.1934.03790010053004
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