Response to auditory stimuli in 6-and 9-
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James W. Brown; Lewis A. Leavitt; Dr. Frances K. Graham
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Article
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1977
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John Wiley and Sons
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English
β 738 KB
## Abstract Response to 5βsec, 75βdB complex sounds was studied in groups of 24 infants each at 6 and 9 weeks of age. Under conditions appropriate for eliciting orienting, no significant cardiac response appeared at 6 weeks, but a significantly decelerative response did appear at 9 weeks. Measureme