Download Advances in the Study of Behavior, Vol. 2 by Daniel S. Et Al [Eds] Lehrman PDF

By Daniel S. Et Al [Eds] Lehrman

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Extra resources for Advances in the Study of Behavior, Vol. 2

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Following these tests which were not different from the earlier tests, they were placed with females for an additional 30 days and then retested between Days 300 and 320. No mounts, intromissions, or ejaculations were displayed. After these last tests it was necessary to terminate the experiment. From these experiments it became clear that repeated testing of males that had not had an opportunity to acquire the copulatory pattern did not always result in the display of this pattern. However, most of these males displayed the full pattern after being caged with other animals for a period of time.

During the fetal period, development of the capacity for displaying mounting behavior and lordosis take courses analogous with those taken by the male and female genital ducts which have long been known to be different structural entities. , 1964b). T h e background against which the supporting data were obtained is presented elsewhere (Section IV). G . VAGINALEPITHELIAL CHANGES AND ESTROUS BEHAVIOR The temporal relationship of estrous behavior to epithelial changes within the vagina is fairly close, but not sufficiently so to justify the use of vaginal smears in any study requiring precise information with respect to the time of its occurrence and the fact of its occurrence or anything about its character.

Mating experience with females appears to have a reinforcing effect on adult males, particularly in the case of low-score individuals in which the genetically determined developmental potential has not been realized. , 1951), 37 males, 63-174 days old, were given ten 10-minute tests at intervals of 4 days. Between weaning at 25 days of age and the beginning of the tests when each male was isolated, these males (the socially reared males) were confined with other males of the same age. Thirty-two males (the isolated males), 90-107 days old at the beginning of the tests, were isolated at weaning and thereafter through completion of the tests.

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