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Huntington's disease (HD) is a progressive neurodegenerative disorder. The striatum is one of the first brain regions that show detectable atrophy in HD. Previous studies using functional magnetic resonance imaging (fMRI) at 3 tesla (3 T) revealed reduced functional connectivity between striatum and motor cortex in the prodromal period of HD. Neuroanatomical and neurophysiological studies have suggested segregated corticostriatal pathways with distinct loops involving different cortical regions, which may be investigated using fMRI at an ultra-high field (7 T) with enhanced sensitivity compared to lower fields.
This article was published in the following journal.
Name: Neuro-degenerative diseases
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The phylogenetically newer part of the CORPUS STRIATUM consisting of the CAUDATE NUCLEUS and PUTAMEN. It is often called simply the striatum.
A composite structure of the TELENCEPHALON that is defined by connectivity. It includes the NUCLEUS ACCUMBENS; the ISLANDS OF CALLEJA; and parts of the CAUDATE NUCLEUS; the PUTAMEN; and the SUBSTANTIA INNOMINATA.
The representation of the phylogenetically oldest part of the corpus striatum called the paleostriatum. It forms the smaller, more medial part of the lentiform nucleus.
The region of the telencephalon located rostral and ventral to the STRIATUM comprising AMYGDALA; SEPTAL NUCLEI; SUBSTANTIA INNOMINATA and ventral pallidum.
Agents used in the treatment of Parkinson's disease. The most commonly used drugs act on the dopaminergic system in the striatum and basal ganglia or are centrally acting muscarinic antagonists.
Huntington's disease is a hereditary disease caused by a defect in a single gene on Chromosome 4 that is inherited in an autosomal dominant fashion. The defect causes a part of DNA, called a CAG repeat, to occur many more times than it is supposed to...