Publications

Morphine addiction in chimpanzees

Author provides formal description of training four unrestrained chimpanzees to approach an investigator and accept an injection of physiological saline solution. The training comprised a combination of adaptation, desensitization, and shaping, with fruit, praise, and patting as reinforcers. It is...

Year Published: 1940Animal Type: Chimpanzee, Nonhuman Primate

Citation: Spragg, S. D. S. 1940. Morphine addiction in chimpanzees. Comparative Psychology Monographs 15, 1-132.

The experimental modification of the oestrous cycle in the ferret by different intensities of light irradiations and other methods

With female ferrets subjected to different degrees of intensity of light irradiation as measured by placing them at different distances from a 1000 W. lamp, the acceleration of the oestrous cycle, generally speaking, was correlated with the degree of intensity....

Year Published: 1940Topics: Husbandry & Management, ReproductionAnimal Type: Ferret

Citation: Marshall, F. H. A. 1940. The experimental modification of the oestrous cycle in the ferret by different intensities of light irradiations and other methods. Journal of Experimental Biology 17, 139-147.

Emotional behavior in the rat

Year Published: 1936Animal Type: Rat, Rodent

Citation: Hall, C. S. 1936. Emotional behavior in the rat. II. The relationship between emotionality and ambulatory activity. Journal of Comparative Psychology 22, 345-352.

Emotional behavior in the rat: I

Proposes that measuring aspect of rat behavior in a contained arena indicates the emotional reactivity of the subjects. Specifically, both the number of fecal boli deposited and the activity patterns correlates with the levels of fear and emotional reactivity. Large...

Year Published: 1934Animal Type: Rat, Rodent

Citation: Hall, C. S. 1934. Emotional behavior in the rat: I. Defecation and urination as measures of individual differences in emotionality. Journal of Comparative Psychology 18, 385-403.

A study of the rat’s behavior in a field: A contribution to method in comparative psychology

THE OPEN-FIELD (OF) TEST, originally developed by Hall (Hall & Ballachey, 1932), is one of the most widely used methods in the study of emotionality in rodents. The test is conducted in an enclosed open area in which the animal...

Year Published: 1932Topics: Emotion, Pain, & SentienceAnimal Type: Rat, Rodent

Citation: Hall, C. S., Ballachey, E. L. 1932. A study of the rat's behavior in a field: A contribution to method in comparative psychology. University of California Publications in Psychology 6, 1-12.

The Great Apes – A Study of Anthropoid Life

Review of feeding enrichment options specifically challenging the intelligence of nonhuman primates.

Year Published: 1929Animal Type: Nonhuman Primate

Citation: Yerkes, R. M. , Yerkes, A. W. 1929. The Great Apes. A Study of Anthropoid Life. Yale University Press, New Haven.

The self-mutilation of a male rhesus monkey

A drastic case of observer-induced self-biting of a male rhesus macaque is described.

Year Published: 1928Animal Type: Macaque, Nonhuman Primate

Citation: Tinklepaugh, O. L. 1928. The self-mutilation of a male rhesus monkey. Journal of Mammalogy 9, 293-300.

The Intelligence of Apes

It is hardly an exaggeration to say that a chimpanzee kept in solitude is not a real chimpanzee at all.

Year Published: 1927Animal Type: Chimpanzee, Nonhuman Primate

Citation: Kohler, W. 1927. The Intelligence of Apes. Metheun, London, UK.

Animal behavior and internal drives

Rats run up to 43 km/24 h in running wheels.

Year Published: 1927Animal Type: Rat, Rodent

Citation: Richter, C. P. 1927. Animal behavior and internal drives. Comparative Psychology Monographs 1, 1-55.

Transfer experiments with guinea-pigs

Year Published: 1927Animal Type: Guinea Pig

Citation: Hadley, C. V. D. 1927. Transfer experiments with guinea-pigs. British Journal of Psychology 18, 189-224.