Safety of NAVA DTaP (CERTIVA™) Vaccination in 2,480 Two, Four, and Six-Month-Old Healthy Infants 837
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چکیده
منابع مشابه
Do six-month-old infants perceive causality?
The idea of cause and effect is often assumed to originate in prolonged learning. However, the present findings suggest that 27-week-old infants may already perceive a cause-effect relationship. Reversal of an apparently causal event (direct launching) produced more recovery of attention following habituation than the reversal of a similar but apparently non-causal event (delayed reaction). In ...
متن کاملBed-sharing among six-month-old infants in western Sweden.
AIM In spite of several reports of an increased risk of sudden infant death syndrome (SIDS) in connection with bed-sharing, it is not an uncommon practice. The aim of this study was to examine bed-sharing at 6 months of age and the factors that are associated with bed-sharing. METHODS Our cohort comprised 8176 randomly chosen families. At 6 month of age, the families received an invitation to...
متن کاملMelody recognition by two-month-old infants.
Music is part of an infant's world even before birth, and caregivers around the world sing to infants. Yet, there has been little research into the musical abilities or preferences of infants younger than 5 months. In this study, the head turn preference procedure used with older infants was adapted into an eye-movement preference procedure so that the ability of 2-month-old infants to remember...
متن کاملSix-month-old infants use analog magnitudes to represent duration.
While many studies have investigated duration discrimination in human adults and in nonhuman animals, few have investigated this ability in infants. Here, we report findings that 6-month-old infants are able to discriminate brief durations, and, as with other animal species, their discrimination function is characterized by Weber's Law: proportionate difference rather than absolute difference b...
متن کاملSix-Month-Old Infants Prefer Speech with Raised Formant Frequencies
Voices can be characterized by their fundamental frequency as well as by speech timbre characteristics, such as formant frequencies. While infants’ responses to fundamental frequency characteristics are well established, very little is known about how infants respond to changes in formant frequencies. This study tested whether 6-month-old infants prefer listening to speech with raised formant f...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1998
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-199804001-00858