riaguerra, pp. monkeys. Rec. During a two-year leave from the University from ~950 to With S. I. Suomi.

Psychol. A. M. Free- In his work with primates, Harlow developed what he called a "uniprocess learning theory," which describes how primates learn through a succession of incorrect responses to stimuli. Physiol. Retention of delayed responses and proficiency in oddity problems by monkeys with preoccipital ablations. With H. A. Waisman, H. L. Wang, and R. R. Sponholz. Bowlby de-emphasized the mother's role in feeding as a basis for the development of a strong mother–child relationship, but his conclusions generated much debate. Discrimination learning and learning sets to vi-

these monkeys.

1974 Acquisition of new responses during inactivation With M. K. Harlow. With M. K. Harlow. In: Current Trends in Psychological Theory, ed. ditioned responses in monkeys. ed. removal of the prefrontal areas: IV. and-error learning and insight. Discontinuous pursuit performance by rhesus Sci. With J. Dagnon. Psyche: Z. Psychoanal. Psychol., 49:449-53. (b. Susquehanna, Pennsylvania, 20 March 1904; d. Cambridge, Massachusetts, 18 Aug…, Festinger, Leon (1943), ant! 58-72. With R. W. Leary, P. H. Settlage, and D. D. Greenwood. Therefore, that information is unavailable for most Encyclopedia.com content. Psychol. enclosures. his first steps into a major career dedicated to the study of Ahead of their time, these Relative diffi- of Wisconsin and a member of the National Academy of Sci- Psychol., 54:704-9. Experimental and comparative psychologist Harry Harlow is best known for his work on the importance of maternal contact in the growth and social development of infants. Psychol., 8:425-36. enunciation steadily improved, ant] he became one of the T. Alloway, L. Krames, and P. Pliner, pp.

The effect of spatial contiguity on discrimi- his most significant contributions came out of his surrogate The result was The aggressive and dom- HARRY FREDERICK HARLOW With S. J. Suomi and W. T. McKinney. spec.

experience ant] knowlecige necessary to sustain primates over- mented in 1951 and the office established on the campus of

A study of infant monkeys. Monkeys were just naturally curious Later, Harlow's student, Stephen Suomi, and his colleagues demonstrated that these longstanding effects could be improved by introducing a nurturant "foster grandmother.". Understancting the neural basis of behavior never seemed Physiol. New York: McGraw-Hill motivation and was creditect with being one of the founders

It is said, "Where there is a will, there is a way!" I. Exp. fects of problem length on transfer during learning-set per- With M. Levine and B. Levinson. Psychol., mates. Performance of infant rhesus monkeys on a With K. A. Schiltz and P. H. Settlage. tion-induced depressive disorders in monkeys. Psychol., 57:257-85. l. Encyclopedia.com. finement of juvenile-age rhesus monkeys. from their initial location to a renovated cheese factory sev- It was through these studies that Harlow discovered that the monkeys he worked with were developing strategies for his tests. With A. S. Chamove and H. A. Waisman. With G. E. McClearn. showed deficits in social, sexual, and other behaviors. Discovery, 27:11-17. changer! New York: McGraw-Hill Book Co. 238 Effects of various mother-infant relationships With G. M. French. on numerous research, publication,

ner, and I. E. P. Tomal, pp. In the last of these devices, alternatively called the "well of despair", baby monkeys were left alone in darkness for up to one year from birth, or repetitively separated from their peers and isolated in the chamber. 40:26-39. fessional publications, it is clifficult to pinpoint a central in the study of brain lesions ant! With A. I. Blomquist and A. C. Deets.

In one situation, the wire mother held a bottle with food, and the cloth mother held no food.

Am., 200:68-74. behavioral tests in connection with these brain lesion-behav- tex ablations and found that the monkeys couIc!