Abstract
Examined temporal organization of sucking patterns, the phase interaction of sucking and other rhythmical motor patterns, and the effects of feeding on sucking rate in 26 Nubian goats. No changes in sucking rate were noted over the 1st 3 mo. The precise rate concordance between sucking and tail movements suggested that peripheral motor rhythms are regulated by a central sequencing mechanism which in turn is modulated by organismic and peripheral factors. A comparison of sucking patterns in 10 human infants and Ss indicates that qualitative species differences in the prefunctional organization of sucking influence the nature of the interaction between sucking performance and organismic or peripheral factors. (19 ref) (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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