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Dyslexia and the ecological brain

D J Bakker1

  • 1Free University, Amsterdam-Duivendrecht, Netherlands.

Journal of Clinical and Experimental Neuropsychology
|October 1, 1994
PubMed
Summary

Reading involves both brain hemispheres, with a developmental shift from right to left. Targeted stimulation may help dyslexia (reading disorder) by engaging specific cerebral hemispheres.

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Cognitive Science

Background:

  • Reading is a complex cognitive process involving bilateral brain function.
  • Hemispheric roles in reading shift during development, from right to left hemisphere dominance.
  • Dyslexia, a reading disorder, can be linked to specific cerebral hemisphere functions.

Purpose of the Study:

  • To explore the bilateral nature of reading and its developmental shifts.
  • To investigate the potential of targeted brain stimulation for dyslexia treatment.
  • To evaluate the effectiveness of neuropsychological interventions for hemisphere-tied dyslexia.

Main Methods:

  • Review of experimental group and single-case investigations.
  • Analysis of studies on selective or alluding stimulation of cerebral hemispheres.
  • Examination of reading processes in both typical and disordered development.

Main Results:

  • Evidence supports reading as a bilateral hemispheric process.
  • A developmental shift in reading's primary hemispheric control from right to left is observed.
  • Neuropsychological treatments involving targeted hemispheric stimulation show promise for dyslexia.

Conclusions:

  • Reading is a bilateral brain function with dynamic hemispheric involvement.
  • Targeted stimulation of the right or left cerebral hemisphere may alleviate dyslexia.
  • Further research is needed to fully address remaining questions in dyslexia treatment.

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