Reading therapy strengthens top–down connectivity in patients with pure alexia
نویسندگان
چکیده
منابع مشابه
Reading therapy strengthens top–down connectivity in patients with pure alexia
This study tested the efficacy of audio-visual reading training in nine patients with pure alexia, an acquired reading disorder caused by damage to the left ventral occipitotemporal cortex. As well as testing the therapy's impact on reading speed, we investigated the functional reorganization underlying therapy-induced behavioural changes using magnetoencephalography. Reading ability was tested...
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It is commonly assumed that number reading can be intact in patients with pure alexia, and that this dissociation between letter/word recognition and number reading strongly constrains theories of visual word processing. A truly selective deficit in letter/word processing would strongly support the hypothesis that there is a specialized system or area dedicated to the processing of written word...
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We investigated single-word reading in normal subjects and patients with alexia following a left occipital infarct, using PET. The most posterior brain region to show a lateralized response was at the left occipitotemporal junction, in the inferior temporal gyrus. This region was activated when normal subjects, patients with hemianopic alexia and patients with an incomplete right homonymous hem...
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In pure alexic patients, clear-cut dissociations between impaired naming and preserved comprehension abilities can be found in the domain of number processing (Cohen & Dehaene, 1995). In the present study, we report a novel case of pure alexia with striking preservation of some calculation abilities. The patient was fully able to decide which of two numbers was the larger, or whether a number w...
متن کاملPure Alexia
Pure alexia is a reading disorder that occurs in literate individuals secondary to a lesion in the left occipito-temporal region. The hallmark of this deficit is the word-length effect: the naming latencies of patients increase dramatically with increasing numbers of letters in the word. For example, every additional letter can take a further 3 s for a patient who is reading a word aloud [compa...
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ژورنال
عنوان ژورنال: Brain
سال: 2013
ISSN: 1460-2156,0006-8950
DOI: 10.1093/brain/awt186