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Steiner, M. (1982). Biomechanics of tendon healing. J Biomech, 15(12), 951–958.
Abstract: The biomechanics of tendon healing was investigated with unsutured rat achilles tendons. After two, three, and four weeks of healing tensile parameters were assayed with a bone-muscle-tendon-bone preparation elongated to failure at a controlled physiological strain rate. In the third week of healing, stiffness, strength, and energy absorbing capacity all increased approximately 50%. These changes correlated with early fibroplasia. In the fourth week of healing, strength, energy absorbing capacity and elongation to failure all increased relatively more than stiffness. Histologically, larger fibers with better longitudinal alignment developed during this period. At the end of four weeks the tendon's strength was approximately 25% of normal. To summarize, the return of stiffness in a healing tendon preparation correlated with the presence of fibroplasia and the return of other tensile parameters was a function of the amount and organization of the fibroplasia.
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Davidson, D.,. (1982). Rational Animals. In reprinted in Davidson (2001); Subjective, Intersubjective, Objective (pp. 95–105). Oxford: Oxford University Press.
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Zahn-Waxler, C., & Radke-Yarrow, M. (1982). The Development of Altruism: Alternative Research Strategies. The Development of Prosocial Behavior, .
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Zahn-Waxler, C. & R. - Y., M. (1982). The development of altruism: Alternative research strategies. In N. Eisenberg (Ed.), The development of prosocial behavior (pp. 109–138). New York: Academic Press.
Abstract: Zahn-Waxler, C. & Radke-Yarrow, M. (1982) The development of altruism:
Alternative research strategies. In: The development of prosocial behavior, ed.
N. Eisenberg. Academic Press. [aSDP]
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Thor, D. H., & Holloway, W. R. (1982). Social memory of the male laboratory rat. J. Comp. Physiol. Psychol., 96(6), 1000–1006.
Abstract: Used duration of social-investigatory behavior by 36 mature male Long-Evans rats as a measure of individual recognition in 5 experiments to assess social memory. In Exp I, the duration of social investigation during a 2nd exposure to the same juvenile (n[en space]=[en space]12) was directly related to the length of the interexposure interval. In Exp II, Ss were exposed to the same or different juvenile 10 min after an initial 5-min exposure to a novel juvenile; reexposure to the same juvenile elicited significantly less social investigation than an exposure to a different juvenile. Exps III and IV demonstrated that following a 5-min introductory exposure, social memory of the juvenile was relatively brief in comparison with that of mature Ss. Exp V revealed a retroactive interference effect on recently acquired memory for an individual: 12 mature Ss exposed to interpolated social experience engaged in significantly longer investigation of a juvenile than those with no interpolated social experience. The combined results suggest that (1) the rat normally engages in spontaneous learning of individual identity and (2) social memory may be a significant aspect of complex social interactions. (16 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)
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Duncan, P. (1982). Foal killing by stallions. Appl. Animal. Ethol., 8(6), 567–570.
Abstract: Feral horses live in social systems similar to those of some species in which infant killing has been reported (e.g. lions), but such behaviour has been reported neither in horses nor in any other ungulate. The results of interviews with owners of free-ranging horses (Camargue breed) are given which show that, though rare, infant killing occurs in this breed, and that it seems to be confined to male foals. It is argued that the observed behaviour cannot simply be considered as pathological, and that close attention should be paid to the possibility that it occurs in wild and feral equids.
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Skiff, E. M. (1982). The effect of enclosure design on social interactions and daily activity patterns of the captive asiatic wild horse (Equus przewalskii). Minneapolis: University of Minnesota.
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Eisenberg, N., & Beilin, H. (1982). The Development of Prosocial Behavior.
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Frank, H., & Frank, M. G. (1982). On the effects of domestication on canine social development and behavior. Appl Anim Ethol, 8.
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Meyners, E. (1982). Lernen nach dem Regelkreismodell. In Sportlehre für Reiten.Fahren. Voltigieren (pp. 21–36). Warendorf: FN-Verlag.
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