Experimental Researches on the Regional Temperature of the Head under conditions of Rest, Intellectual Activity, and Emotion
- Author:
Lombard, M.D., formerly Assis-
tant Professor of Physiology in Harvard University, U.S. London : H. K. Lewis. (Pp. 211.) This is an essay of great interest and value. The experiments seem to establish an important doctrine in cerebral physiology ; namely, that the evolution of heat is in proportion to the in- tensity of mental action. The author hoped to be able to loca- lise the various mental functions by comparing1 the rise of temperature in different parts of the head, from the various forms of mental excitement. The result in this respect, how- ever, is very limited. The anterior portion of the left side of the head showed the rise more frequently, and to a greater ex- tent, than any other region, both for intellectual and for emo- tional states.
It is not easy in a few words to explain the mode of experi- mentation. Suffice it to say that the instrument used was a thermo-electric apparatus. The examination was restricted to a few heads, so that all peculiarities and disturbing influences might the more readily be detected and allowed for. The utmost care was always taken to make the experiments trust- worthy and exact; and, as the results show, the tissues inter- vening between the brain and the instrument do not offer so much difficulty as might be imagined.
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