Auditory temporal information processing in preschool children at family risk for dyslexia: Relations with phonological abilities and developing literacy skills  

Oleh:

Boets, Bart ; Wouters, Jan ; Wieringen, Astrid van ; Ghesquière, Pol

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 97 no. 1 (2006), page 64-79.
Topik: Auditory temporal processing; Reading development; Dyslexia; Prediction; Preschoolers; Phonological awareness; Verbal short-term memory; Rapid automatic naming
Fulltext: 97_01_Boets.pdf (437.04KB)

Isi artikel

In this project, the hypothesis of an auditory temporal processing deWcit in dyslexia was tested by examining auditory processing in relation to phonological skills in two contrasting groups of Wve-year-old preschool children, a familial high risk and a familial low risk group. Participants were individually matched for gender, age, non-verbal IQ, school environment, and parental educational level. Psychophysical thresholds were estimated for gap-detection, frequency modulation detection, and tone-in-noise detection using a three-interval forced-choice adaptive staircase paradigm embedded within a computer game. Phonological skills were measured by tasks assessing phonological awareness, rapid serial naming, and verbal short-term memory. SigniWcant group diVerences were found for phonological awareness and letter knowledge. In contrast, none of the auditory tasks diVerentiated signiWcantly between both groups. However, both frequency modulation and tone-in-noise detection were signiWcantly related to phonological awareness. This relation with phonological skills was not present for gap-detection.

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