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Peer reviewedWhite, Barbara Prudhomme; Gunnar, Megan R.; Larson, Mary C.; Donzella, Bonny; Barr, Ronald G. – Child Development, 2000
Examined behavioral/physiological responses of 2-month-olds during physical examinations. Found that colic infants cried twice as much, cried more intensely, and were more inconsolable than control infants. Heart rate, vagal tone, and cortisol measures showed no appreciable difference. At home, colic infants displayed a blunted rhythm in cortisol…
Descriptors: Comparative Analysis, Crying, Heart Rate, Infant Behavior
Direct linkBarr, Ronald G.; Trent, Roger B.; Cross, Julie – Child Abuse & Neglect: The International Journal, 2006
Objective: To determine whether there is an age-specific incidence of hospitalized cases of Shaken Baby Syndrome (SBS) that has similar properties to the previously reported ''normal crying curve,'' as a form of indirect evidence that crying is an important stimulus for SBS. Design and setting: The study analyzed cases of Shaken Baby Syndrome by…
Descriptors: Patients, Incidence, Hospitals, Crying
Peer reviewedZeskind, Philip Sanford; Barr, Ronald G. – Child Development, 1997
Conducted spectrum analysis of standard and vociferous cries from infants with Wessel's colic, non-Wessel's colic, and comparison infants. Vociferous cries had longer duration, higher fundamental frequency, and greater percentage of dysphonation than standard cries. After feedings, problematic criers had greater percentage of dysphonation in…
Descriptors: Acoustics, Comparative Analysis, Crying, Infant Behavior
