1980
DOI: 10.1002/dev.420130305
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Dietary and metabolic effects on rhesus social behavior: Phenylalanine‐related dietary alterations

Abstract: Infant rhesus monkeys were (a) fed a diet high in phenylalanine or (b) fed a diet high in p-chlorophenylalanine for the 1st 12 months of life, (c) selected from mothers fed a diet high in phenylalanine during pregnancy, (d) fed a diet low in phenylalanine, (e) maintained as controls, or (f) maintained as pair-fed controls. Tested during the 1st year of life with familiar peers, during the 2nd year with unfamiliar stimulus animals and with a movie film, the 3 groups of phenylketonuric monkeys showed less play a… Show more

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Cited by 3 publications
(5 citation statements)
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“…Since neither the postnatal nor the fetal PKU group showed impaired performance during the initial trials when no delay was used, it is clear that place discrimination is not impaired, but that it is the delay itself which impedes performance. Although it is difficult to know how to interpret this inability to cope with a delay, the authors themselves suggest that the impaired performance, when the delay is used, leads to a "high level of emotional responses" in the postnatal group, an interpretation whch is entirely consistent with the behavioral differences observed in these monkeys (Chamove, 1980;Chamove, Waisman, & Harlow, 1970).…”
Section: Discussionmentioning
confidence: 90%
“…Since neither the postnatal nor the fetal PKU group showed impaired performance during the initial trials when no delay was used, it is clear that place discrimination is not impaired, but that it is the delay itself which impedes performance. Although it is difficult to know how to interpret this inability to cope with a delay, the authors themselves suggest that the impaired performance, when the delay is used, leads to a "high level of emotional responses" in the postnatal group, an interpretation whch is entirely consistent with the behavioral differences observed in these monkeys (Chamove, 1980;Chamove, Waisman, & Harlow, 1970).…”
Section: Discussionmentioning
confidence: 90%
“…The tyrosine and alanine groups showed considerable social play, whereas the histidine group was low in nonsocial play. The results of the normally sensitive stimulus test (Chamove, 1980a), as can be seen in Fig. 2, were again quite uniform across groups.…”
Section: Resultsmentioning
confidence: 65%
“…1). However, none of the groups showed the characteristic significantly high levels of aggression and withdrawal and low levels of play and other positive behaviors seen in monkeys with induced phenylketonuria (Chamove, 1980a) or the altered levels of aggression in induced-protein-or protein-calorie undernutrition (Chamove, 1980b).…”
Section: Resultsmentioning
confidence: 98%
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