Sentences with phrase «age infants startle»

One sign of their developing nervous system is that until 4 - 6 months of age infants startle easily as they experience a whole new world of sensations that were absent in the womb.

Not exact matches

Moro reflex or Startle reflex is used to describe the quick movement of newborns, infants, and babies up to the age of 4 to 5 months.

Open any major news site this week and you're bound to come face - to - face with a startling headline linking the age - old practice of swaddling to an increased risk for sudden infant death.

Physiologic studies have demonstrated that, in general, swaddling decreases startling, 301 increases sleep duration, and decreases spontaneous awakenings.310 Swaddling also decreases arousability (ie, increases cortical arousal thresholds) to a nasal pulsatile air - jet stimulus, especially in infants who are easily arousable when not swaddled but less so in infants who have high arousal thresholds when not swaddled.301 One study found decreased arousability in infants at 3 months of age who were not usually swaddled and then were swaddled but found no effect on arousability in routinely swaddled infants.301 In contrast, another group of investigators showed decreased arousal thresholds310 and increases in autonomic (subcortical) responses311 to an auditory stimulus when swaddled.