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Journal of Speech and Hearing Research Vol.39 833-838 August 1996.
© American Speech-Language-Hearing Association
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The Actifier

A Device for Neurophysiological Studies of Orofacial Control in Human Infants

Donald S. Finan 1
Steven M. Barlow 1
1 Speech-Orofacial Physiology and Biomechanics Laboratories Department of Speech and Hearing Sciences and Program in Neural Science Indiana University Bloomington

SBARLOW{at}UCS.INDIANA.EDU

A new device for the stimulation of intraoral tissues in human neonates is described. This instrument, known as an actifier, features a wide frequency range for mechanical stimulation, integrated multichannel electomyographic electrode pairs, and the capacity for transducing jaw compression during non-nutritive sucking behavior. The stimulus/recording interface consists of a modified pacifier. The actifier has been used to investigate the responsiveness of the sucking central pattern generator in human infants to mechanical perturbation.

KEY WORDS: orofacial, central pattern generator, entrainment, neonate, electromyography

Submitted on November 28, 1995
Accepted on April 1, 1996






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