Why the study?
Does pre-ejection period provide a comparable measure of sympathetic reactivity to laboratory tasks in preschool children compared to young adults?
Does pre-ejection period provide a comparable measure of sympathetic reactivity to laboratory tasks in preschool children compared to young adults?
Pre-ejection period is a reasonable estimate of sympathetic activity in preschool children, demonstrating consistent reactivity comparable to young adults.
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Supports PEP as sympathetic index in preschoolers; extends adult validation but remains hypothesis-generating without outcome data.
Quigley et al. (2006) studied this question.
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