Basal ganglia output to the brainstem may
Basal Ganglia
... dynamic may underlie the sudden involuntary movements seen in Huntington's ...within basal ganglia ...the output of the basal ganglia is largely inhibitory, phasic STN activity ...
8
Clinical Reasoning:A 28-year-old IV drug user with bilateral basal ganglia and brainstem lesions
... segmented forms) and a sodium level of 128 mmol/ L. A CT scan of the head revealed a 4.2-cm hypoden- sity in the region of the left basal ganglia with local mass effect and effacement of the ventricular ...
5
Basal Ganglia. Motor systems
... Huntington’s chorea is characterized by involuntary choreiform movements which show up as rapid, involuntary and purposeless jerks of irregular and variable location on the body. They are spontaneous and cannot be ...
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Postvaricella basal ganglia infarction in children
... of basal ganglia infarction in patients of pediatric age (10 ...unilateral basal ganglia abnormalities on MR imaging consistent with regions of ...pattern may be ...
6
The Basal Ganglia and Chunking of Action Repertoires
... The basal ganglia have been shown to contribute to habit and stimulus – response (S – R) ...of basal ganglia-based learning is the recoding of cortically derived information within the ...– ...
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How To Understand The Function Of The Basal Ganglia
... other basal ganglia nuclei results in increased and disordered discharge and synchronization in motor areas of the basal ganglia–thalamocortical motor ...the basal ganglia ...
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The basal ganglia: A vertebrate solution to the selection problem?
... transmission may retard switching 75 . The mechanisms mediating this role may be related to electrophysiological observations by Schneider and colleagues 78 who showed that acute facilitation of dopamine ...
22
Nutritional and Dietary Considerations for Basal Ganglia Disorders
... Discussion The use of nutrients, amino acids, sulfur compounds, botanicals, and flavonoids demonstrated great potential as adjunctive aids in basal ganglia neuroprotection. These compounds can be found in ...
15
The Role of the Basal Ganglia in Memory and Motor Inhibition
... inhibition may be achieved by the ACC modulating entorhinal activity through inhibitory ...hippocampus may contribute to the successful prevention of memory ...cancellation may have arisen due to the ...
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Shape alterations of basal ganglia and thalamus in xenomelia
... the basal ganglia in particular process, transmit and integrate sensorimotor information and are involved in the preparation and execution of ...the basal ganglia-thalamo-cortical circuit ...
10
AIDS related MR hyperintensity of the basal ganglia
... of basal ganglia hyperinten- sity on MR images of nine patients with AIDS is ...the basal gan- glia of two HIV-infected patients, one of whom had a history of intravenous drug abuse ...finding ...
7
Basal Ganglia Infarction in a Child With Disulfiram Poisoning
... the basal gan- glia. Dopamine-mediated cellular injury may be re- lated to its ability to induce excitatoxic effects of glutamate- and calcium-mediated cell death, as well as to impair the cellular ability ...
6
Adult-onset Alexander disease with typical "tadpole" brainstem atrophy and unusual bilateral basal ganglia involvement: a case report and review of the literature
... [22]. Basal ganglia lesions with hyperintensity on T2-weighted MRI, such as spotty lesions [19] and bilateral lesions in the lateral putamen [30], have occasionally been reported; both of these signs are ...
6
The History of the Basal Ganglia: The Contribution of Karl Friedrich Burdach
... the brainstem, where it stands as two lens- like prominences) ...the basal ganglia until the end of the 19th century, at which time the involve- ment of the cerebral cortex in the initiation of ...
6
Hippocampus, Amygdala and Basal Ganglia Based Navigation Control
... For goal directed navigation we hypothesize a second functional role for the hippocampus. Using the same place-stimulus associations that are generated during spatial mapping the hippocampus may be involved in ...
11
A robot model of the basal ganglia: Behavior and intrinsic processing
... 2002) basal ganglia models do not conform to this assumption, but instead, vary according to the overall ÔintensityÕ of the selection ...sub-system may change as a consequence of changes in the ...
45
Time representation in reinforcement learning models of the basal ganglia
... of basal ganglia function, from reward prediction to action ...basal ganglia. We hypothesize that a single computational system may underlie both RL and interval timing—the perception ...
9
Basal Ganglia T1 Hyperintensity in Hereditary Hemorrhagic Telangiectasia
... intensity may predict performance in workers exposed to the ...increased basal gan- glia signal intensity was not associated FIG ...increased basal ganglia signal intensity on ...
5
Anatomy and relevance in pharmacotherapy of diseases related to Basal Ganglia
... Ballism is caused by a lesion in the contralateral subthalamic nucleus, but may be associated with pathology in other subcortical areas. Most of the patients with ballism also have distal choreic movements and as ...
19
The role of the pedunculopontine region in basal ganglia mechanisms of akinesia
... lower brainstem and spinal ...and may be important for modulation of steady-state locomotion, while glutamatergic PPNd neurons tend to fire in bursts and may be important in providing the signal to ...
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