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A Human Experiment in Nerve Division
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resembled that produced on the normal skin under similar circumstances. It had none of the diffuse radiation and tendency to reference into remote parts, so characteristic of the sensation evoked by stimulating heat-spots.

Fig. 14: To show the extent of the affected area, which is still (1908) supplied with deep and protopathic sousibility only. Its radial border merges gradually into parts that have recovered more completely.