The Cerebellum and the Reading Process
Nova Publishers, 2003 - Psychology - 85 pages
There has been a paradigm shift in the understanding of the role of the cerebellum in the nervous system, which is now suggested to be an integral component of the distributed neural circuitry, subserving even higher order functions, traditionally linked to the integrity of cerebral cortex. One of these functions is reading, which is one of the most prominent learned competencies in humans. The pathophysiology of dyslexia is largely unknown. It is usually related to brain cortical alteration. Recent evidence suggests dyslexia may involve binocular instability or alterations of accommodation. This book describes the possible role of the cerebellum in reading tasks, either considering its emergent role in mentation, either considering its traditional role in motor control. It examines the possible involvement of cerebellum in reading, which may be caused by an alteration of the diffuse projections which connect the cerebellum to different cortical areas via subcortical structures, by its involvement in spatial perception, in timing processing of cortical flow of information, and by a possible intrinsic property of the structure in cognition.
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THE CEREBELLUM TRADITIONAL OVERVIEW AND MORDERN PERSPECTIVE
WHAT IS DYSLEXIA?
ACQUIRED READING DISRUPTIONS CAUSED BY CEREBELLAR VERMIS LESIONS
READING AND WRITING PERFORMANCE IN PATIENTS WITH MULTIPLE MULTIPLE SYSTEM ATROPHY HAVING PREDOMINANT CE...
THE CEREBELLUMS CONTRIBUTION TO READING ASK EXECUATION
abnormal acquired dyslexia afferents amplitude ANOVA arachnoidal cyst areas associated ataxia score evaluation atrophy auditory brain stem cerebellar activation cerebellar cortex cerebellar lesions cerebellar patients cerebellar vermis cerebellum cerebral cortex cognitive control subjects correlation cortical deficits dentate nucleus developmental dyslexia disorder disruption dorsal dysarthria dyslexia dyslexics dysmetria evidence eye movements fastigial nucleus fibers Fiez fixation foveal frontal functions hypothesis hypotonia impairment increased number involved language late saccades learning Leiner lexical lobe Magnetic resonance imaging magnocellular month history Moretti MSA-C patients msec neural neurological examination neurons Neurosci Nicolson non-words normal number of mistakes ocular oculomotor vermis parietal perception performance phonological pons pontine nuclei posterior processing projections Purkinje cells readers reading tasks resonance imaging revealed revealed the presence role Schmahmann selection errors signs of dysarthria skills slight dysmetria smooth pursuit spatial stimulation studies superior colliculus surrounding oedema t-test temporal thalamic trunk instability unsteadiness of gait verbal
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