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Investigating the effects of handedness on the consistency of lateralization for speech production and semantic processing tasks using functional transcranial Doppler sonography
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Testing the unitary theory of language lateralization using functional transcranial Doppler sonography in adults
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CATALISE : a multinational and multidisciplinary Delphi consensus study. Identifying language impairments in children
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CATALISE : a multinational and multidisciplinary Delphi consensus study. Identifying language impairments in children
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Increased prevalence of sex chromosome aneuploidies in specific language impairment and dyslexia
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CNTNAP2 variants affect early language development in the general population
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Overlaps between autism and language impairment: phenomimicry or shared etiology?
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Lower-frequency event-related desynchronization: a signature of late mismatch responses to sounds, which is reduced or absent in children with specific language impairment
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Genes, cognition, and communication: insights from neurodevelopmental disorders
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Weak hand preference in children with down syndrome is associated with language deficits
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Weak hand preference in children with Down syndrome is associated with language deficits
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Heritability of specific language impairment depends on diagnostic criteria
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Heritable risk factors associated with language impairments
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Is poor frequency modulation detection linked to literacy problems? A comparison of specific reading disability and mild to moderate sensorineural hearing loss
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Speech and non-speech processing in people with specific language impairment: a behavioural and electrophysiological study
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Abstract:
McArthur and Bishop (2004) found that people with specific language impairment (SLI) up to 14 years of age have poor behavioural frequency discrimination (FD) thresholds for 25-ms pure tones, while people with SLI up to 20 years of age have abnormal auditory N1-P2-N2 event-related potential (ERP) responses to the same tones. In the present study, we extended these findings to more complex non-speech and speech sounds by comparing younger (around 13 years) and older (around 17 years) teenagers with SLI and controls for their behavioural FD thresholds and N1-P2 ERPs to 25 and 250-ms pure tones, vowels, and non-harmonic complex tones. We found that a subgroup of people with SLI had abnormal responses to tones and vowels at the level of behaviour and the brain, and that poor processing was associated with the spectral complexity of auditory stimuli rather than their phonetic significance. We suggest that both the age of listeners and the sensitivity of psychoacoustic tasks to age-related changes in auditory skills may be crucial factors in studies of sound processing in SLI. ; The full-text of this article is not available in ORA, but you may be able to access the article via the publisher copy link on this record page.
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Keyword:
event-related potentials; Experimental psychology; frequency discrimination; specific language impairment; vowel discrimination
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URL: http://www.elsevier.com/wps/find/journaldescription.cws_home/622799/description#description https://doi.org/10.1016/j.bandl.2005.01.002
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Frequency discrimination deficits in people with specific language impairment : reliability, validity, and linguistic correlates
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