Published online March 1, 2005
PEDIATRICS Vol. 115 No. 3 March 2005, pp. e367-e369 (doi:10.1542/peds.2004-1727)
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ELECTRONIC ARTICLE

"Binkie Flutter," an Apparently Voluntary Behavior of Infants, Possibly Related to Vibratory Jaw Movements in Dogs: Report of 4 CasesFormula

John Gall, MD

From Walker, Minnesota

Four cases of apparently voluntary rapid vibratory pacifier movements occurring in normal, unstressed infants up to 1 year of age and captured on video are presented. I speculate on the possible relationship of the movements to similar vibratory jaw movements in dogs, in which species they may represent a neuromuscular mechanism for rapid feedback control.


Figure 1
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  		Fig 1. Case 1: Three-week-old male.

 

Figure 2
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  		Fig 2. Case 2: One-year-old female.

 

Figure 3
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  		Fig 3. Case 3: Six-month-old female.

 

Figure 4
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  		Fig 4. Case 4: Three-month-old female.

 

Key Words: binkie flutter • dummy flutter • pacifier flutter • neonatal jaw clonus • infant jaw clonus • infant jaw movements • infant sucking movements • jaw wags • mandibular oscillation • mandibular trembling • chin trembling

Accepted Oct 29, 2004.




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