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July 1961

Recruitment and Directional Hearing: Some Remarks on the Physiology of Space

Arch Otolaryngol. 1961;74(1):18-21. doi:10.1001/archotol.1961.00740030021005

The range of intensities over which the ear can receive physical stimuli is astonishing. The special senses range over such an enormous scale of intensities owing to the fact that the geometrical progression of physical stimuli is registered in an arithmetical manner.

One can observe the effects of injuries to a sense organ by various kinds of disturbance, such as the narrowing of the scale of quality of the stimuli registered, changes in sensitivity in the region able to react, or changes in the normal quality of an impression in relation to the quality of the stimulus. We may also observe a disturbance in the mechanism of appreciation of the relation between the strength of the stimulus and the strength of the increase in impression.

A superficial glance might suggest that this last kind of disturbance can be manifested only by a worse, i.e., a weaker, reaction from the damaged

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