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Abstract: The investigation consisted of 3 experiments. In the experiment on tactual localization, the Weber's second method was used. In the experiment on tactual-kinesthetic localization the observer himself with his right hand touched his left forearm on the volar side and located the spot after an interval, and thus kinesthetic cues from the movements of the right arm in appling the stimulation might be used in localization. In the experiments on kinesthetic localization, the observer made a dot on a sheet of paper instead of on the forearm and located the dot afterwards. The tactual stimuli were of three degress in intensity, i. e. weak, medium and strong. In the experiment on kinesthetic localization, the dots were made lighter medium or heavior roughly corresponding the stimuli of different intensities in the other two experiments. The time intervals used in all three experiments were of 2″, 5″, 10″, 30″, 60″, 120″ and 300″. Each experiment consisted of 20 sessions, in each of which 21 trials were given, one for each intensity of stimulation and time interval.The results showed that as the time interval lengthened, the error of localization increased. In the tactual-kinesthetic localization there was a perfect linear function.The author contended that there was some similarity between the fact that as the time interval lengthened the error of localization increased and generalization observed in memory of verbal and of pictorial materials. The possible neurological mechanism for these phenomena was also discussed.

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