M. E. Elyasson. A study of the hearing ability of a dog under normal conditions and with partial bilateral removal of the cortical center of hearing. Thesis. St. Petersburg

Abstract

This work, carried out at the suggestion and under the guidance of Prof. I. P. Pavlov, according to the method of conditioned reflexes, is divided into two parts. The first part deals with the study of auditory relations in normal dogs. After a literary review of the doctrine of conditioned reflexes, the author describes the method he used to form conditioned reflexes in four dogs to various tones of the harmonium and to chords, and then to the noise of an electric bell, devoid of a bell, and to scratching the skin. Conditioned reflexes were formed by combining a tone (ringing or scratching of the skin) with meat powder or with hydrochloric acid (0.25% solution). The experiments were carried out in such a way that the dog was put on the machine, the paws were put into rubber rings.

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