Compared brain activation in non impared and dyslexic readers

Relative increase in activation during phonologic compared with orthographic coding in different brain regions in NI and DYS readers.

Significant differences in brain activation patterns between DYS and NI readers were found. Those differences emerge during tasks that make progressive demands on phonologic analysis. These findings relate the cognitive/behavioral deficit characterizing DYS readers to anomalous activation patterns in both posterior and anterior brain regions.

From Functional disruption in the organization of the brain for reading in  dyslexia
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