Illingworth-Bishop-2009

Authors: Sarah Illingworth, Dorothy V.M. Bishop.

Article: Atypical cerebral lateralisation in adults with compensated developmental dyslexia demonstrated using functional transcranial Doppler ultrasound.

Publication: Brain and Language (Elsevier). Volume 111, Issue 1, Pages 61-65, 2009 | DOI: 10.1016/j.bandl.2009.05.002

[Full Text]

Abstract:

Functional transcranial Doppler ultrasound (fTCD) is a relatively new and non-invasive technique that assesses cerebral lateralisation through measurements of blood flow velocity in the middle cerebral arteries. In this study fTCD was used to compare functional asymmetry during a word generation task between a group of 30 dyslexic adults and a group of 30 non-dyslexic individuals. In light of previous evidence of atypical laterality in dyslexia, a reduced leftward asymmetry was predicted and confirmed. We know from previous research that most people with atypical language lateralisation have normal language and literacy skills: nevertheless, our results confirm that language laterality is reduced in those with dyslexia. Theoretical explanations for this apparent conundrum are discussed.

Tagged as: altbrain, asymmetry, compensation, and fTCD

Citation:

Sarah Illingworth, Dorothy V.M. Bishop,
Atypical cerebral lateralisation in adults with compensated developmental dyslexia demonstrated using functional transcranial Doppler ultrasound,
Brain and Language,
Volume 111, Issue 1,
2009,
Pages 61-65,
ISSN 0093-934X,
https://doi.org/10.1016/j.bandl.2009.05.002

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