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infants showed no retention of the response‐reinforcer contingency. A reactivation procedure 24 hours prior to the long‐term retention test was effective if the reminder was a brief noncontingent exposure ...
Four-month-old infants from Boston, Dublin, and Beijing were administered the same battery of visual, auditory, and olfactory stimuli to evaluate differences in level of reactivity . The Chinese ...
We examined autonomic reactivity to infant crying in a sample of 42 maltreating and 38 non-maltreating mothers. Exploratively, we tested if differential reactivity was related to child neglect versus ...
In this study, we examined adults' cardiac reactivity to repeated infant cry sounds in a genetically informative design. Three episodes of cry stimuli were presented to a sample of 184 adult twin ...
Infants at elevated likelihood of developing autism display differences in sensory reactivity , especially hyporeactivity, as early as 7 months of age, potentially contributing to a developmental ...
Relations between maternal sensitivity and physiological reactivity to infant crying were examined using measures of heart rate (HR) and respiratory sinus arrhythmia (RSA) in 49 mothers of second ...
SUBJECTS Ten healthy male infants Cl5 mo old with a group mean age of 8.1 mo (Table 1) were recruited by an advertisement in the medical center newsletter. All infants were full term at the time ...
affect‐eliciting procedures in 111 (59 exposed and 52 nonexposed) infants . Cortisol reactivity was defined as the difference between the peak poststressor cortisol level and the pretask cortisol level ...
interventions.Recent FindingsConsistent with theoretical models of parenting and addictions, five studies evidence both hypo- and hyper- reactivity to infant affective cues across neuroimaging methods and tasks ...
TWO METHODS OF STUDYING STRANGER REACTIVITY IN INFANTS : A REVIEW THOMAS M. HORNER* Dept, of Psychiatry, University of Michigan Medical Center THE PHENOMENON of fear of strangers during infancy has ...
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