Investigating the relationship between phoneme categorization and reading ability
| Autor: | Emily C Kubota, Daniel McCloy, Jason D. Yeatman, Gabrielle O'Brien |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
media_common.quotation_subject
05 social sciences Speech sounds Dyslexia Contrast (statistics) Model fitting Auditory Psychophysics medicine.disease 050105 experimental psychology Task (project management) 03 medical and health sciences 0302 clinical medicine Categorization Reading (process) medicine 0501 psychology and cognitive sciences Psychology 030217 neurology & neurosurgery Cognitive psychology media_common |
| DOI: | 10.1101/305748 |
| Popis: | Dyslexia is associated with abnormal performance on many auditory psychophysics tasks, particularly those involving the categorization of speech sounds. However, it is debated whether those apparent auditory deficits arise from (a) reduced sensitivity to particular acoustic cues, (b) the difficulty of experimental tasks, or (c) unmodeled lapses of attention. Here we investigate the relationship between phoneme categorization and reading ability, with special attention to the nature of the cue encoding the phoneme contrast (static versus dynamic), differences in task paradigm difficulty, and methodological details of psychometric model fitting. We find a robust relationship between reading ability and categorization performance, show that task difficulty cannot fully explain that relationship, and provide evidence that the deficit is not restricted to dynamic cue contrasts, contrary to prior reports. Finally, we demonstrate that improved modeling of behavioral responses suggests that the gap between dyslexics and typical readers may be smaller than previously reported. |
| Databáze: | OpenAIRE |
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