The dyslexics, however,
presented appreciably lower oxygenation
indices in both hemispheres, with the exception
of the grossly similar reference HEG Infrared
measurement, across all age-groups. Cortical
oxygenation was nearly halved in the majority of
dyslexics before therapy compared with the
healthy controls. The corollary is that language
processing is one function that involves tasks carried
out in the prefrontal cortex. Dyslexia, typically
featured as hindered language processing,
with ensuing difficulties to master reading, is
associated with decreased blood oxygenation in
the prefrontal cortex, a sign of calmer metabolic
activity and smaller requirement for the oxygen
nutrient, and thus also less adaptive hemodynamic
adjustments in the area
The dyslexics, however,
presented appreciably lower oxygenation
indices in both hemispheres, with the exception
of the grossly similar reference HEG Infrared
measurement, across all age-groups. Cortical
oxygenation was nearly halved in the majority of
dyslexics before therapy compared with the
healthy controls. The corollary is that language
processing is one function that involves tasks carried
out in the prefrontal cortex. Dyslexia, typically
featured as hindered language processing,
with ensuing difficulties to master reading, is
associated with decreased blood oxygenation in
the prefrontal cortex, a sign of calmer metabolic
activity and smaller requirement for the oxygen
nutrient, and thus also less adaptive hemodynamic
adjustments in the area
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