Basal ganglia lesions

    • [DOC File]Basal Ganglia, Hypothalamus and Limbic System

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      The basal ganglia make the focused selection of an on-going movement or action based on the current brain states. As brain states change, the basal ganglia may favor an action other than the current one and then switch from the current action to the newly selected action. In such a way, the basal ganglia can help trigger a sequence of actions.

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    • [DOC File]THE BASAL GANGLIA

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      Basal Ganglia, Hypothalamus and Limbic System. 1. Is the major output of the basal ganglia excitatory or inhibitory? To where does it go? 2. For Parkinson’s and Huntington’s diseases, identify the specific important cellular lesions and explain in the context of basal ganglia circuitry how the lesions give rise to …

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    • [DOC File]Organic Maneuver Automaton

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      The basal ganglia and cerebellum are large collections of nuclei that modify movement on a minute-to-minute basis. Impulses generated at the primary motor strip are sent via the extrapyramidal fibers to both, and both structures send information right back to cortex via the thalamus.

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    • Basal ganglia lesions in children and adults - ScienceDirect

      The basal ganglia may be viewed as the principal subcortical components of a family of circuits linking the thalamus and cerebral cortex. These circuits are largely segregated (shown by retrograde transsynaptic labeling studies using herpes and rabies viruses) both structurally and functionally; also called “closed loops”.

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    • [DOC File]The Basal Ganglia - Columbia University

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      THE BASAL GANGLIA. That the basal ganglia are related to the control of movement has been known for a long time; diseases affecting primarily the basal ganglia lead to characteristic disturbances of movement and of resting muscle tone. ... Subsequent to dopamine depleting lesions, D1 or D2 selective agonist treatments reverses the lesion ...

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