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7 - High Altitude and Rapid Descent

from Part One - Into the Dark

Published online by Cambridge University Press:  12 September 2012

Paul J. Weindling
Affiliation:
Oxford Brookes University
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Summary

Scientific Mobilization

“He can read frightened hands,” announced Time magazine in 1939. The scientific miracle worker and dashingly photogenic “Young Physiologist” John West Thompson went to Kansas City to convince the Association of Military and Flight Surgeons that he could measure fear reactions of pilots. He named his new machine a “Haematometharmozograph,” literally a blood hemoglobin graph. The idea was that fear constricts blood vessels. He measured the constriction by the amount of light that could pass through a person's hand. The device was “a simple two hundred dollar contrivance” made from a photoelectric cell, an electric light bulb, and an oscillograph to record electrical pulses. Thompson read descriptions of fearful accidents to experimental subjects. The more frightened the subject, the more translucent the hand, thus detecting those pilots who “become unnerved when under stress.”

The Military and Flight Surgeons Conference marked Thompson's crossing over from human physiology into aviation medicine at a time of heightened anxieties about war. Thompson demonstrated how emotions resulted in bodily changes and could affect performance, reactions, and sensations. Although the apparatus delivered credible results, it was silent about the anxieties and fears of the scientist carrying out the measurements.

U.S. Army Air Corps experts visited the Harvard Fatigue Laboratory in March 1939, and Canadian physiologists visited in November. The human performance tests selected those who could withstand physically demanding tasks. Aviation medicine was taking off as war loomed.

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Chapter
Information
John W. Thompson
Psychiatrist in the Shadow of the Holocaust
, pp. 63 - 75
Publisher: Boydell & Brewer
Print publication year: 2010

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