Processing of Thermal Information from the Face
The discovery, specificity and characterization of the warm and cold receptors in mammalian skin were made largely by Herbert Hensel and his colleagues (see earlier chapters, this Vol.). However, knowledge of the neural processes between the peripheral initiation of thermal information and its central perception has been slow to accumulate. Among the reasons for this have been the scarcity in the spinal cord of appropriate second-order neurons (Iggo and Ramsey 1976) and in the trigeminal area the notorious instability of the medulla oblongata for making unitary records (Wall and Taub 1962).
KeywordsTungsten Neurol Catecholamine Phenylephrine
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