alexa Impaired visual search in dyslexia relates to the role of the magnocellular pathway in attention.
Microbiology

Microbiology

Journal of Antivirals & Antiretrovirals

Author(s): Vidyasagar TR, Pammer K

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Abstract We tested the hypothesis that in a cluttered visual scene, the magnocellular (M) pathway is crucial for focusing attention serially on the objects in the field. Since developmental dyslexia is commonly associated with an M pathway deficit, we compared reading impaired children and age-matched normal readers in a search task that required the detection of a target defined by the conjunction of two features, namely form and colour, that are processed by the parvocellular dominated ventral neocortical stream. The dyslexic group's performance was significantly poorer than the controls when there were a large number of distractor items. The scheme of selective attention proposed from these results provides a neural mechanism that underlies reading and explains the pathophysiology of dyslexia.
This article was published in Neuroreport and referenced in Journal of Antivirals & Antiretrovirals

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