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Magnocellular Processing and Dyslexia Evaluating the Magnocellular Deficit Theory of Dyslexia Using the Flash-Lag Effect
| Content Provider | Semantic Scholar |
|---|---|
| Author | Kranich, Stephen Lupfer, Gwen |
| Copyright Year | 2014 |
| Abstract | The flash-lag effect (FLE) occurs when one perceives a moving object ahead of a stationary object while in reality the two are aligned (Nijhawan, 2001). Reducing magnocellular processing eliminates the effect (Chappell & Mullen, 2010). One prominent but controversial model of developmental dyslexia is the magnocellular deficit theory (e.g., Stein & Walsh, 1997). In the current experiment, participants with and without dyslexia viewed two FLE illusions, one designed to maximize and one to minimize magnocellular processing. Reducing brightness contrast (to minimize magnocellular processing) significantly reduced the magnitude of the FLE, which is consistent with previous findings. However, no effect of dyslexia was observed; this null finding does not support the notion that individuals with dyslexia suffer from a magnocellular deficit. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.jasnh.com/pdf/Vol10-No2-article3.pdf |
| Alternate Webpage(s) | http://www.docum-enter.com/get/AIs1JP6s8r65hCcDnS-V5NampLixdwVBZajpFrqQ59E,/Evaluating-the-Magnocellular-Deficit-Theory-of-Dyslexia.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |