Rosanne Abrahamse, Titia Benders, Katherine Demuth, Nan Xu Rattanasone
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引用次数: 0
Abstract
Purpose: This study aimed to investigate how hearing loss affects (a) spoken language processing and (b) processing of faster speech in school-age children who are deaf and hard of hearing (DHH).
Method: Spoken language processing was compared in thirty-six 7- to 12-year-olds who are DHH and 31 peers with normal hearing using a word detection task. Children listened for a target word in sentences presented at a normal (4.5 syllables per second [syll./s]) versus fast (6.1 syll./s) speaking rate and pressed a key when they heard the word in the sentence. Response time was taken as an outcome measure. Relationships between working memory capacity, vocabulary size, and processing speed were also assessed.
Results: Children who are DHH were slower than their peers with normal hearing to detect words in sentences, but no evidence for a negative effect of speaking rate was observed. Furthermore, contrary to expectation, a larger working memory capacity was associated with slower spoken language processing, with effects stronger for younger children with smaller vocabulary sizes.
Conclusions: Regardless of speaking rate, children who are DHH may be at risk for delays in spoken language processing relative to peers with normal hearing. These delays may have consequences for their access to learning and communication in spoken forms in everyday environments, which contain additional challenges such as background noise, competing talkers, and speaker variability.
期刊介绍：
Mission: JSLHR publishes peer-reviewed research and other scholarly articles on the normal and disordered processes in speech, language, hearing, and related areas such as cognition, oral-motor function, and swallowing. The journal is an international outlet for both basic research on communication processes and clinical research pertaining to screening, diagnosis, and management of communication disorders as well as the etiologies and characteristics of these disorders. JSLHR seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work.
Scope: The broad field of communication sciences and disorders, including speech production and perception; anatomy and physiology of speech and voice; genetics, biomechanics, and other basic sciences pertaining to human communication; mastication and swallowing; speech disorders; voice disorders; development of speech, language, or hearing in children; normal language processes; language disorders; disorders of hearing and balance; psychoacoustics; and anatomy and physiology of hearing.
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