Results 151 to 160 of about 176,499 (169)
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Effect of Light on Thermal Reinforcement in Behavioral Thermoregulation
Perceptual and Motor Skills, 1973The purpose of this study was to demonstrate the effect (reinforcing or aversive) of the combination of light and heat for the presentation of thermal reinforcement in behavioral thermoregulation. The results obtained indicate that the light-heat reinforcement group requires significantly less reinforcers and bar-presses for reaching the learning ...
Raymond Ducharme +2 more
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Behavioral Thermoregulation and the Role of Melatonin in a Nocturnal Snake
Hormones and Behavior, 2002Daily and seasonal variations in hormone levels influence the complex interactions between behavior and physiology. Ectothermic animals possess the unique ability behaviorally to adjust body temperature (T(b)) to control physiological rate processes.
Deborah I. Lutterschmidt +3 more
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Effect of sulfolane on behavioral and autonomic thermoregulation in the rat
Journal of Toxicology and Environmental Health, 1985Sulfolane (tetrahydrothiophene 1,1-dioxide), a commonly used extraction solvent, promotes rapid changes in the thermoregulatory system. Colonic temperature, skin temperature, metabolic rate, and preferred ambient temperature (Ta) were measured over an 8-h period in the Sprague-Dawley rat following an intraperitoneal injection of sulfolane at 800 mg/kg ...
Merritt D. Long +3 more
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Mate Selection and Behavioral Thermoregulation in Fowler's Toads [PDF]
Science, 1981 Male Fowler's toads produce mating calls that are affected by the body size and temperature of the caller. Females are able to discriminate between variations in these calls and select the largest available males. By thermoregulation, males are able to alter their calls to make them more attractive to females.
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Factors influencing behavioral thermoregulation in the pig
Physiology & Behavior, 1968Abstract Pigs exposed to 10°C learned to perform a simple response (pressing a switch) in order to obtain a short burst of i.r. heat as reinforcement. Pigs were studied under controlled conditions and the rate at which reinforcements were obtained when the burst of heat lasted 6 sec was approximately double that obtained when the heating lasted 12 ...
D.L. Ingram, B.A. Baldwin
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Acetaminophen Effects on Behavioral Thermoregulation in Albino Rats
Perceptual and Motor Skills, 1999Acetaminophen (N-Acetyl-p-aminophenol) was administered intra-peritoneally to 15 Sprague-Dawley rats partitioned into 3 studies (5 rats per study) using a within-subjects, repeated-measures reversal design. Behavioral thermoregulation was assessed in a cold Skinner Box using 5-sec.
S. Elizabeth Blake +6 more
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A system for the study of behavioral thermoregulation of small animals
Physiology & Behavior, 1985A system suitable for the simultaneous monitoring of two unrestrained animals in separate thermoclines is described. It makes use of low-cost, field-proven components to: provide a graded convective and/or conductive temperature continuum over a relatively short runway; measure ambient temperatures at multiple locations within the thermocline; measure ...
Joseph S. Laughter, Clark M. Blatteis
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Behavioral thermoregulation in mammals and birds
International Journal of Biometeorology, 1964Thermoregulation in homoiotherms is achieved by physiological and behavioural adjustments which involve the musculature, skin, sensory capacities, hypothalamus and endocrine glands. Under thermal stress animals exhibit anorexia, body extension, gasping, languor, lethargy, excessive drinking, bathing, decreased locomotor activities, group dispersion ...
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Behavioral Thermoregulation in Australian Elapid Snakes
Copeia, 1980Behavioral thermoregulation in laboratory thermal gradients was studied in seven species of Australian snakes of the Elapidae: Acanthophis antarcticus, Austrelaps superbus, Notechis scutatus, Pseudechis porphyriacus, Pseudonaja nuchalis, P. textilis and Unechis flagellum.
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New apparatus for studying behavioral thermoregulation in rats
Physiology & Behavior, 1998The operant system described here contains a box that can be convectively heated or cooled. A rat moves freely in the box. Its location is monitored photoelectrically while its deep body temperature is monitored by a telemetry system. In heat-escape experiments, hot air (40 degrees C) flows through the box.
Yukitoshi Aoyagi +6 more
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