The effect of hearing loss on the perception of infant- and adult-directed speech. 2013

Susie Robertson, and Deborah von Hapsburg, and Jessica S Hay
University of Tennessee, Health Science Center, TN, USA. dvh@utk.edu

OBJECTIVE Infant-directed speech (IDS) facilitates language learning in infants with normal hearing, compared to adult-directed speech (ADS). It is well established that infants with normal hearing prefer to listen to IDS over ADS. The purpose of this study was to determine whether infants with hearing impairment (HI), like their NH peers, show a listening preference for IDS over ADS. METHODS A total of 36 infants-9 HI infants (mean chronological age of 19.1 with mean listening age of 7.7 months), 9 NH infants with similar average listening age (7.8 months), and 9 NH infants with similar average chronological age (18.6 months)-were tested on their listening preference for IDS compared with ADS using the central fixation preference procedure. RESULTS Infants with HI significantly preferred listening to IDS over ADS. The preference for IDS was also seen in the younger NH infants, but not older NH controls. Additionally, HI infants showed shorter overall looking times as compared to either NH group. CONCLUSIONS Although infants with hearing loss displayed a shorter looking time to speech compared to NH controls, HI infants nonetheless appear to have sufficient access to the speech signal to display a developmentally appropriate preference for IDS over ADS.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007804 Language Development The gradual expansion in complexity and meaning of symbols and sounds as perceived and interpreted by the individual through a maturational and learning process. Stages in development include babbling, cooing, word imitation with cognition, and use of short sentences. Language Acquisition,Acquisition, Language,Development, Language
D008297 Male Males
D002657 Child Development The continuous sequential physiological and psychological maturing of an individual from birth up to but not including ADOLESCENCE. Infant Development,Development, Child,Development, Infant
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003463 Cues Signals for an action; that specific portion of a perceptual field or pattern of stimuli to which a subject has learned to respond. Cue
D005260 Female Females
D005403 Fixation, Ocular Positioning and accommodation of eyes that allows the image to be brought into place on the FOVEA CENTRALIS of each eye. Focusing, Ocular,Ocular Fixation,Eye Gaze,Eye Gazes,Gaze, Eye,Gazes, Eye,Ocular Focusing
D006309 Hearing The ability or act of sensing and transducing ACOUSTIC STIMULATION to the CENTRAL NERVOUS SYSTEM. It is also called audition. Audition
D006319 Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. Deafness Neurosensory,Deafness, Neurosensory,Deafness, Sensoryneural,Neurosensory Deafness,Sensorineural Hearing Loss,Sensoryneural Deafness,Cochlear Hearing Loss,Hearing Loss, Cochlear,Deafnesses, Neurosensory,Deafnesses, Sensoryneural,Neurosensory Deafnesses,Sensoryneural Deafness,Sensoryneural Deafnesses

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