Cortical Basal Ganglionic Degeneration
نویسندگان
چکیده
منابع مشابه
Cortical-basal ganglionic degeneration.
We report our experience with 15 patients believed to have cortical-basal ganglionic degeneration. The clinical picture is distinctive, comprising features referable to both cortical and basal ganglionic dysfunction. Characteristic manifestations include cortical sensory loss, focal reflex myoclonus, "alien limb" phenomena, apraxia, rigidity and akinesia, a postural-action tremor, limb dystonia...
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x 192 matrix, 14 cm field of view) at a repetition time of 4000 ms and an echo time of 104 ms using two excitations. Coronal, axial, or sagittal images were obtained in one patient in about two minutes for each type. Ring shaped high intensity areas were seen around the optic nerves in nine of 10 normal subjects (upper figure). Very dilated ring shaped high intensity areas were seen in six eyes...
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Several lines of evidence suggest that the prefrontal (PF) cortex and basal ganglia are important in cognitive aspects of serial order in behavior. We present a modular neural network model of these areas that encodes the serial order of events into spatial patterns of PF activity. The model is based on the topographically specific circuits linking the PF with the basal ganglia. Each module tra...
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ژورنال
عنوان ژورنال: Science of Aging Knowledge Environment
سال: 2001
ISSN: 1539-6150
DOI: 10.1126/sageke.2001.1.dn1