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Degnan, Kathryn A.; Almas, Alisa N.; Henderson, Heather A.; Hane, Amie Ashley; Walker, Olga L.; Fox, Nathan A. – Developmental Psychology, 2014
Behavioral inhibition is a temperament assessed in the toddler period via children's responses to novel contexts, objects, and unfamiliar adults. Social reticence is observed as onlooking, unoccupied behavior in the presence of unfamiliar peers and is linked to earlier behavioral inhibition. In the current study, we assessed behavioral inhibition…
Descriptors: Child Behavior, Inhibition, Peer Relationship, Social Behavior
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Helfinstein, Sarah M.; Fox, Nathan A.; Pine, Daniel S. – Developmental Psychology, 2012
Behavioral inhibition is a temperament characterized in infancy and early childhood by a tendency to withdraw from novel or unfamiliar stimuli. Children exhibiting this disposition, relative to children with other dispositions, are more socially reticent, less likely to initiate interaction with peers, and more likely to develop anxiety over time.…
Descriptors: Fear, Inhibition, Cues, Brain Hemisphere Functions
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He, Jie; Hane, Amie Ashley; Degnan, Kathryn Amey; Henderson, Heather A.; Xu, Qinmei; Fox, Nathan A. – Infancy, 2013
We examined two aspects of temperamental approach in early infancy, positive reactivity and anger, and their unique and combined influences on maternal reports of child surgency and attention focusing at 4 years of age. One hundred and fourteen infants were observed for their positive reactions to novel stimuli at 4 months, and their anger…
Descriptors: Infant Behavior, Infants, Mothers, Psychological Patterns
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Lewis-Morrarty, Erin; Degnan, Kathryn A.; Chronis-Tuscano, Andrea; Rubin, Kenneth H.; Cheah, Charissa S. L.; Pine, Daniel S.; Henderon, Heather A.; Fox, Nathan A. – Journal of Abnormal Child Psychology, 2012
Behavioral inhibition (BI) and maternal over-control are early risk factors for later childhood internalizing problems, particularly social anxiety disorder (SAD). Consistently high BI across childhood appears to confer risk for the onset of SAD by adolescence. However, no prior studies have prospectively examined observed maternal over-control as…
Descriptors: At Risk Students, Risk, Adolescents, Anxiety Disorders
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Marshall, Peter J.; Reeb, Bethany C.; Fox, Nathan A. – Developmental Science, 2009
Behavioral reactivity to novel stimuli in the first half-year of life has been identified as a key aspect of early temperament and a significant precursor of approach and withdrawal tendencies to novelty in later infancy and early childhood. The current study examines the neural signatures of reactivity to novel auditory stimuli in 9-month-old…
Descriptors: Control Groups, Auditory Stimuli, Infants, Withdrawal (Psychology)
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Fox, Nathan A. – Developmental Psychology, 1989
Data suggest that infants with high vagal tone were more reactive than infants with low vagal tone to positive and negative events at 5 months, and were more sociable at 14 months. Infant reactivity to mildly stressful events seemed to be a stable dimension during the first year. (RH)
Descriptors: Affective Behavior, Emotional Experience, Heart Rate, Individual Differences
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Calkins, Susan D.; Fox, Nathan A. – Child Development, 1992
Assessed infant temperament at 2 days and 5 months of age, attachment to mother at 14 months, and behavioral inhibition at 24 months. Distress at pacifier withdrawal at two days was related to insecure attachment. Reactivity to frustration and novelty at five months was related to high vagal tone. Attachment classification was related to inhibited…
Descriptors: Attachment Behavior, Heart Rate, Infants, Inhibition