Studies in thermal sensitivity: 10. The reliability of seriatim warm-mapping with untrained subjects.

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Abstract
Seriatim warm-mapping with 2 and 3 mm stimulators at 46[degree] C. on the same basis as the cold mapping previously reported (6 times an hr. for a 2-hr. session) was found to involve serious artifacts from adaptation and vascular changes, although high reliability coefficients were obtained in a few cases. When only 5 stimulations were made during a 2-hr. period, better results were obtained, but still inferior to those secured with cold. However, it is significant that the maps derived from avg. scores show much the same orderly patterning as with cold. The discrimination of warm experiences is intrinsically more difficult than cold, probably because the range is narrower and the sensitivity itself more variable. With proper precautions, however, it ia likely that seriatim warm-mapping can provide a useful technique for further research.

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