How low can you go: Spatial frequency sensitivity in a patient with pure alexia

•We test contrast sensitivity for a range of spatial frequencies in a pure alexia case.•We used a sensitive and demanding psychophysical task.•Detection and categorization of all spatial frequencies were within normal range.•Pure alexia is not caused by reduced sensitivity to particular spatial freq...

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Veröffentlicht in:	Brain and language 2013-08, Vol.126 (2), p.188-192
Hauptverfasser:	Starrfelt, Randi, Nielsen, Simon, Habekost, Thomas, Andersen, Tobias S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Adult and adolescent clinical studies Alexia, Pure - etiology Alexia, Pure - physiopathology Biological and medical sciences Brain - physiopathology Case study Contrast sensitivity Contrast Sensitivity - physiology Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Female Humans Language and communication disorders LBL-reading Magnetic Resonance Imaging Medical sciences Nervous system (semeiology, syndromes) Neurology Organic mental disorders. Neuropsychology Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Pure alexia Reading Spatial frequency sensitivity Word length effect Word reading
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