Rodent
Some effects of maintenance luminance and strain differences upon self-exposure to light by rats
The different degrees of illumination in laboratories may be one of the explanations for variation in experimental results.
Year Published: 1962Animal Type: Rat, Rodent
Citation: Lockard, R. B. 1962. Some effects of maintenance luminance and strain differences upon self-exposure to light by rats. Journal of Comparative and Physiological Psychology 55, 1118-1123.
Read MoreEffects of environmental complexity and social groupings upon the modification of emotional behavior
Environmental enrichment reduced open-filed defecation in rats.
Year Published: 1962Topics: Environmental Enrichment, Social Housing & CompanionshipAnimal Type: Rat, Rodent
Citation: Denenberg, V. H., Morton, J. R. C. 1962. Effects of environmental complexity and social groupings upon the modification of emotional behavior. Journal of Comparative and Physiological Psychology 55, 242-246.
Read MoreExogenous and endogenous components in circadian rhythms
The running activity of hamsters is much higher at a light intensity of only 0.05 lux than 20 lux.
Year Published: 1960Animal Type: Hamster, Rodent
Citation: Aschoff, J. 1960. Exogenous and endogenous components in circadian rhythms. Cold Spring Harbor Symposium on Quantitative Biology 25, 11-28.
Read MoreSome effects of free and restricted environmental rearing conditions upon adult behavior in the rat
Environmental enrichment enhances the exploratory drive.
Year Published: 1960Animal Type: Rat, Rodent
Citation: Woods, P. J., Ruckelshaus, S. I., Bowling, D. M. 1960. Some effects of free and restricted environmental rearing conditions upon adult behavior in the rat. Psychological Reports 6, 191-200.
Read MoreStrain differences in activity of mice: Influence of illumination
Year Published: 1960Animal Type: Mouse, Rodent
Citation: McClearn, G. E. 1960. Strain differences in activity of mice: Influence of illumination. Journal of Comparative and Physiological Psychology 53, 142-143.
Read MoreEffects of environmental complexity and training on brain chemistry
Rats living in an enriched cage environment showed changes in brain chemistry when compared with animals living in barren standard cages.
Year Published: 1960Animal Type: Rat, Rodent
Citation: Krech, D., Rosenzweig, M. R., Bennett, E. L. 1960. Effects of environmental complexity and training on brain chemistry. Journal of Comparative and Physiological Psychology 53, 509-519.
Read MoreNoise stress in laboratory rodents. I. Behavioral and endocrine response of mice, rats and guinea pigs.
Noise affects the endocrine system.
Year Published: 1959Animal Type: Guinea Pig, Mouse, Rat, Rodent
Citation: Anthony, A., Ackerman, E., Lloyd, J. A. 1959 . Noise stress in laboratory rodents. I. Behavioral and endocrine response of mice, rats and guinea pigs. Journal of the Acoustical Society of America 31, 1430-1436.
Read MoreNoise stress in laboratory rodents. II: Effects of chronic noise exposure on sexual performance and reproductive function of guinea pigs
Chronic noise impacts reproductive performance in guinea pigs.
Year Published: 1959Animal Type: Guinea Pig, Rodent
Citation: Anthony, A., Harclerode, J. E. 1959 . Noise stress in laboratory rodents. II: Effects of chronic noise exposure on sexual performance and reproductive function of guinea pigs. Journal of the Acoustical Society of America 31, 1437-1440.
Read MoreThe effect of housing conditions and simple experimental procedures upon the corticosterone level in the plasma of rats
The banging of metal cages in animal rooms can produce bursts of very intense noise triggering a significant adrenocortical stress response in rats.
Year Published: 1963Animal Type: Rat, Rodent
Citation: Barrett, A. M., Stockham, M. A. 1963. The effect of housing conditions and simple experimental procedures upon the corticosterone level in the plasma of rats. Journal of Endocrinology 26, 97-105.
Read MoreReversibility of the reinforcement relation
Rats will increase feeding if this is contingent with wheel-running.
Year Published: 1962Animal Type: Rat, Rodent
Citation: Premack, D. 1962. Reversibility of the reinforcement relation. Science 136, 255-257.
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