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Link to original content: https://pubmed.ncbi.nlm.nih.gov/11200188/
Behavioral auditory assessment of young infants: methodological limitations or natural lack of auditory responsiveness? - PubMed Skip to main page content
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. 2000 Dec;9(2):124-30.
doi: 10.1044/1059-0889(2000/015).

Behavioral auditory assessment of young infants: methodological limitations or natural lack of auditory responsiveness?

C B Hicks  1 , A M Tharpe, D H Ashmead
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Behavioral auditory assessment of young infants: methodological limitations or natural lack of auditory responsiveness?

C B Hicks et al. Am J Audiol. 2000 Dec.

Abstract

The determination of auditory thresholds by means of behavioral techniques in young infants can be difficult. This could be the result of limitations in methodology, a lack of observable auditory responsiveness, or both. In the current study, 2- and 4-month old infants were tested under enhanced conditions for obtaining behavioral responses (i.e., salient auditory stimuli, reduced visual distractions, reinforced correct responses). A two-interval, forced-choice task with four intensity levels was used. Although a behavioral threshold was obtained for the 4-month-olds, threshold determination for the 2-month-olds remained elusive. In light of the current findings and previous studies of visual acuity of infants, these results suggest a lack of behavioral responsiveness to auditory stimuli for the younger infants rather than methodological limitations. With infants in the 2-month-old age range, clinical audiologists should expect few behavioral responses to auditory stimuli at intensity levels below those that elicit startle responses.

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