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Ramsay, Douglas S.; Lewis, Michael – Child Development, 1994
Infant cortisol and behavioral responses to receiving one versus two inoculations on one pediatric office visit were observed at two and six months of age. The findings indicate a developmental trend for a decline over age in adrenocortical reactivity to inoculation for infants showing a cortisol release following perturbation. Results were…
Descriptors: Age Differences, Infant Behavior, Infants, Physical Development
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Kolata, Gina – Science, 1984
Behavioral scientists are using established experimental methods to show that fetuses can and do learn. The methodology employed and results obtained from several studies are reported. (JN)
Descriptors: Behavioral Science Research, Infant Behavior, Learning, Physical Development
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Lasky, Robert E.; And Others – Child Development, 1981
Investigated the relationship between anthropometric indices and behavioral development during the first two years of life in rural Guatemala. Body length and weight most strongly correlated with behavioral development. When length and weight were controlled statistically, variance in behavioral development was accounted for. (Author/DB)
Descriptors: Body Height, Body Weight, Foreign Countries, Infant Behavior
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Clifton, Rachel K.; And Others – Child Development, 1981
Newborns were presented with a tape-recorded rattle sound through a single loudspeaker, through two loudspeakers with one onset leading the other by seven msecs., and through two loudspeakers simultaneously. Newborns turned toward the single source sound, but not toward either of the dual source sounds. (Author/RH)
Descriptors: Auditory Perception, Auditory Stimuli, Dimensional Preference, Infant Behavior
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Rosenfield, Abby G. – Child Development, 1980
Analyses were made of the pattern and frequency of mothers' visits to the intensive care nursery for premature infants. Visiting was found to be uncorrelated with medical, socioeconomic, or demographic variables, but was apparently related to significantly higher state levels achieved by infants who received a program of early stimulation.…
Descriptors: Hospitalized Children, Hospitals, Infant Behavior, Mother Attitudes
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Ulrich, Beverly D.; Ulrich, Dale A. – Child Development, 1995
Compared the spontaneous leg movements of 10 infants with Down Syndrome to those of nondisabled infants matched for chronological age and motor age. Contrary to expectations, no significant difference was found in the frequency of leg movements between the two groups. However, Down Syndrome subjects demonstrated significantly fewer of the most…
Descriptors: Comparative Analysis, Disabilities, Downs Syndrome, Infant Behavior
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Beckwith, Leila; Parmelee, Arthur H. Jr. – Child Development, 1986
Studied the sleep state organization and EEG patterns at term date in 53 preterm infants as an index of the maturity and integrity of neurophysiological organization that may have implications for their later development. (HOD)
Descriptors: Electroencephalography, Family Environment, Infant Behavior, Intellectual Development
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Zeskind, Philip Sanford; Ramey, Craig T. – Child Development, 1981
Describes the relationship between neonatal crying and anthropometric indices of fetal growth. No differences were found between cry features of underweight and overweight infants; both groups required more stimulation than average weight infants to elicit crying. It is suggested that certain cry features may reflect the risk status of neonates…
Descriptors: Arousal Patterns, Body Weight, Infant Behavior, Neonates
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Halpern, Leslie F.; And Others – Developmental Review, 1995
Examines the development of normative sleep-wake state characteristics in full-term infants, and atypical state characteristics as presented in several clinical populations including preterm and autistic children. Reviews and critiques the literature on the usefulness of infant state parameters in predicting developmental outcomes of infants at…
Descriptors: At Risk Persons, Biological Influences, Developmental Delays, Disabilities
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Izard, Carroll E.; And Others – Developmental Psychology, 1991
Examined cardiac activity during the first 13 months of life. Indexes of cardiac activity changed in an orderly way with development. There were intercorrelations among the cardiac measures. Analyses indicated that measures of heart-rate variability were significantly higher in insecure children than in secure children. (BC)
Descriptors: Attachment Behavior, Child Development, Heart Rate, Infant Behavior
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Orion, Judi – NAMTA Journal, 2002
Traces encounters between mother and child that occur around nursing and feeding, which result in a powerful attachment. Identifies approaching solid foods and subsequent weaning as the place where detachment begins. Discusses locomotion as another way incremental steps toward independence are reached: crawling, walking, and pulling up with hands…
Descriptors: Attachment Behavior, Child Development, Early Childhood Education, Emotional Development
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Caulfield, Rick – Early Childhood Education Journal, 1996
Reviews current research on infant and toddler physical development, cognitive development, and language acquisition. Provides a list of suggested activities, safety concerns, and opportunities for caregivers to enhance child development. (SD)
Descriptors: Accident Prevention, Caregiver Role, Child Caregivers, Child Development