Results 281 to 290 of about 250,907 (309)

The basal ganglia

WIREs Cognitive Science, 2012
AbstractThrough its connections with widespread cortical areas and with dopaminergic midbrain areas, the basal ganglia are well situated to integrate patterns of cortical input with the dopaminergic reward signal originating in the midbrain. In this review, we consider the functions of the basal ganglia in relation to its gross and cellular anatomy ...
Kurt, Braunlich, Carol, Seger
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Basal Ganglia

2015
Abstract The basal ganglia are a group of nuclei connected by circuits that help select appropriate actions and other behaviors. They promote the sequential activation of movements or behaviors in response to stimuli. These movements become reinforced over time, eventually becoming habits.
Jonathan Graff-Radford   +2 more
  +4 more sources

Distinct basal ganglia hyperechogenicity in idiopathic basal ganglia calcification

Movement Disorders, 2010
AbstractWe report a 67‐year‐old patient with idiopathic basal ganglia calcification (IBGC). He presented with progressive cognitive impairment, frontal lobe dysfunction, mild leg spasticity, and levodopa (L‐dopa)‐responsive parkinsonism. Transcranial sonography (TCS) revealed marked hyperechogenicity of the basal ganglia and periventricular spaces ...
Norbert, Brüggemann   +4 more
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Basal ganglia macrocircuits

2007
This is the introductory chapter to an edited volume comprising 18 chapters written by 38 specially selected authors covering the anatomy, physiology, biochemistry/pharmacology and behavioral aspects of GABA in the basal ganglia. In this chapter the various nuclei of the basal ganglia are defined and their cellular structure, connections and function ...
J M, Tepper   +2 more
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BASAL GANGLIA NEUROTOXINS

Neurologic Clinics, 2000
The epidemiology, clinical features, pathology, and mechanisms of action of basal ganglia neurotoxins are reviewed. Manganese, cyanide, hydrogen sulfide, methanol, carbon monoxide, 3-nitropropionic acid, MPTP, and annonaceae alkaloids are discussed. The probable mechanism of action for almost all basal ganglia neurotoxins is inhibition of mitochondrial
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Basal Ganglia

2021
Abstract The basal ganglia are a group of nuclei that are involved in motor, cognitive, and behavioral circuits and are especially important in motor program selection and motor learning. The key components of the basal ganglia and their circuitry include the striatum (putamen, caudate nucleus, and nucleus accumbens), globus pallidus (GP)
Farwa Ali, Eduardo E. Benarroch
openaire   +1 more source

The basal ganglia

1987
At one time, the term ‘basal ganglia’ was used to describe all the large nuclear masses in the interior of the brain, including the thalamus. Gradually, its use has become restricted to five closely related nuclei: caudate, putamen, globus pallidus, subthalamic nucleus and sustantia nigra (Figure 10.1).
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