Visual Processing as Revealed by ERPS: Dyslexic and Normal Readers

Lexical decision making in adults with dyslexia: an event-related potential study

“…There are also clear electrophysiological changes during processing of written words in those with dyslexia (breznitz, Shaul, & Gordon, 2003;Csepe, Szucs, & honbolygo, 2003). For example, the Event-related Potential (ErP) n170 component, occurring over occipital and temporal areas at 150-200ms and sensitive to word form (nobre, truett & McCarthy, 1994), has been found to be reduced and slower in both the auditory (review by lyytinen, Guttorm, huttunen, hamamainen, leppanen, & vesterinen, 2005) and visual (breznitz, Shaul, & Gordon, 2003;Kast, Elmer, Jancke, & Meyer, 2010) domains in those with dyslexia compared to unimpaired readers. according to lyytinen, et al (2005), findings are consistent with reduced metabolic activation of left posterior regions.…”