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The area of the brain most damaged in early Huntington's disease is the dorsal striatum made up of the caudate nucleus and the putamen. Initially, damage to the brain is regionally specific with the dorsal striatum in the subcortical basal ganglia being primarily affected, followed later by cortical involvement in all areas.
Huntingtin (Htt) is the protein coded for in humans by the HTT gene, also known as the IT15 ("interesting transcript 15") gene. [5] Mutated HTT is the cause of Huntington's disease (HD), and has been investigated for this role and also for its involvement in long-term memory storage.
This is a list of major and frequently observed neurological disorders (e.g., Alzheimer's disease), symptoms (e.g., back pain), signs (e.g., aphasia) and syndromes (e.g., Aicardi syndrome). There is disagreement over the definitions and criteria used to delineate various disorders and whether some of these conditions should be classified as ...
Although Alzheimer's disease accounts for the majority of cases of neurocognitive disorders, there are various medical conditions that affect mental functions such as memory, thinking, and the ability to reason, including frontotemporal degeneration, Huntington's disease, dementia with Lewy bodies, traumatic brain injury (TBI), Parkinson's ...
294.1x Dementia due to Parkinson's disease (coded 294.9 in the DSM-IV) 294.1x Dementia due to Huntington's disease (coded 294.1 in the DSM-IV) 294.1x Dementia due to Pick's disease (coded 290.10 in the DSM-IV) 294.1x Dementia due to Creutzfeldt–Jakob disease (coded 290.10 in the DSM-IV) 294.1x Dementia due to ...
Huntington's disease is a degenerative neurological disorder that is inherited. Degeneration of neuronal cells occurs throughout the brain, especially in the striatum. There is a progressive decline that results in abnormal movements. [31] Statistics show that Huntington's disease may affect 10 per 100,000 people of Western European descent.
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Huntington's disease stems from a defect that consists of an expanded CAG repeat in the huntingtin gene (HTT) located on the short arm p of chromosome 4. [7] Evidence shows that the basal ganglia in patients with Huntington's disease show a decrease in activity of the mitochondrial pathway , complex II-III.