Understanding dissociations in dyscalculia : A brain imaging study of the impact of number size on the cerebral networks for exact and approximate calculation

Neuropsychological studies have revealed different subtypes of dyscalculia, including dissociations between exact calculation and approximation abilities, and an impact of number size on performance. To understand the origins of these effects, we measured cerebral activity with functional MRI at 3 T...

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Veröffentlicht in:	Brain (London, England : 1878) England : 1878), 2000-11, Vol.123 (11), p.2240-2255
Hauptverfasser:	STANESCU-COSSON, Ruxandra, PINEL, Philippe, VAN DE MOORTELE, Pierre-Francois, LE BIHAN, Denis, COHEN, Laurent, DEHAENE, Stanislas
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Bioengineering Biological and medical sciences Brain Mapping Cerebral Cortex Cerebral Cortex - pathology Cerebral Cortex - physiopathology Cognition Cognition - physiology Cognition Disorders Cognition Disorders - pathology Cognition Disorders - physiopathology Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes Evoked Potentials Evoked Potentials - physiology Female Humans Imaging Life Sciences Magnetic Resonance Imaging Male Mathematics Medical sciences Nerve Net Nerve Net - pathology Nerve Net - physiopathology Nervous system (semeiology, syndromes) Neurology Neuropsychological Tests Psychomotor Performance Psychomotor Performance - physiology Reaction Time Reaction Time - physiology Reading Reproducibility of Results Symbolism
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