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A failure to observe habituation in the human neonate
Journal article   Peer reviewed

A failure to observe habituation in the human neonate

Michelle E. Cohen, Howard S. Hoffman, Nancy E. Kelley and Endla K. Anday
Infant behavior & development, v 11(3), pp 297-304
01 Jul 1988

Abstract

eyeblink glabella habituation human neonates response amplitude startle reflex
Fifteen 1-day-old infants and 15 adults each received a sequence of 150 eyeblink-eliciting taps to the glabella (the flattened region of skin between the eyebrows). For all subjects, taps occurred every 4 s, an interval that was expected to produce a large decrement in response amplitude as trials progressed. Although the adults exhibited this habituation effect, the infants failed to do so: their responses at the end of the tap sequence were as large as at the beginning. Similar differences in the habituation of a startle reflex in immature versus older rats and in the habituation of the gill withdrawal reflex in immature versus older sea slugs (Aplysia) have recently been reported.

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Collaboration types
Domestic collaboration
Web of Science research areas
Psychology, Developmental
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