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February 1941

OBSERVATIONS ON REFLEX RESPONSES DURING PROLONGED PERIODS OF HUMAN REFRIGERATION

Arch NeurPsych. 1941;45(2):215-222. doi:10.1001/archneurpsyc.1941.02280140025002
Abstract

In December 1938 one of us (Fay) demonstrated that rectal temperature in the human being could be reduced to 92 F., or below, for many hours without apparent injury to the patient. Since that time more than 62 patients have been subjected to one to six episodes of refrigeration and observed when rectal temperatures were reduced to various levels below 90 F., as far down as 74 F.

Repeated neurologic examinations were made of 42 patients (the service of Dr. Temple Fay) during induced states of refrigeration. These 42 patients were subjected in all to 83 episodes of reduced body temperature, each episode ranging from twenty-four hours to five days in duration. Approximately 400 neurologic examinations were made of the patients in this group.

Each neurologic examination consisted of testing for the following reflexes: jaw jerk, radialis, periosteal, ulnar pronator, biceps, triceps, patellar, ankle, palatal, corneal, plantar, abdominal and cremasteric.

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