Under these conditions, rats typically show a configuration of changes that comprise the
state called acclimatization. These include changes in heatproduc-tion and food intake …

Experimentally naive albino rats begin to press a lever for short bursts of radiant heat earlier
in a 16-hour session at 2° C than rats that have been living at this temperature for about a …

Six rats, working in a 2° C ambient temperature, were trained to depress a lever to receive a
brief period of heat. Four rats were then moved into the 2° C environment to live, while the …

Feeding activity in fasted rats resulted in an immediate increase in brain temperature and a
decrease in rectal temperature. The temperature changes did not correlate with any specific …

When electrical heat sources were implanted in the abdominal cavities of sheep and heated
to dissipate 20 to 22 watts of additional endogenous heat in the animal, a rapid increase in …

Anterior hypothalamic temperature is reported for the unanesthetized cat resting at an air
temperature of 22° to 25° C during the ingestion of cold or warm liquids, and during sleep …

Previous methods for measuring the range and temporal course of adaptation to thermal
stimuli are difficult to use. A technique requiring subjects to adjust the temperature of the …

Earlier indications that brown fat has a thermogenic role in rats exposed to cold suggested
that certain comparable functions in hibernating marmots be investigated. From the results it …

A record of the body temperature ofexperimental animals often yields significant information.
The usual techniques of thermometry require frequent observations in order that a …

In alert, resting dogs, the brain is warmer than arterial blood in the common carotid artery.
When dogs run, brain temperature drops, despite a sharp rise in carotid blood temperature …