Studies in the neuro-physiology of learning: I. Effect of brain stimulation rate during runs on maze performance in the white rat.

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Abstract
By means of a frequency modulated oscillator operating at a carrier frequency of 221 mc, and by mounting surgically a minature crystal rectifier unit in the animal, the authors were able to stimulate the brains of white rats as they were in the process of learning a maze. One group of animals was stimulated at the rate of 75 pulses per sec, a second group at the rate of 300 pulses per sec. A third group, the Operated Control, carried the receiving unit but was not stimulated, and a fourth group was the Normal Control. It was found that the animals stimulated at the 75/sec rate learned significantly slower than those stimulated at 300/sec, but the latter did not learn significantly faster than the two control groups. The relationship of the above preliminary findings to learning theory is set forth.[long dash].