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Huntington's disease (HD), also known as Huntington's chorea, is an incurable neurodegenerative disease [7] that is mostly inherited. [8] The earliest symptoms are often subtle problems with mood or mental/psychiatric abilities. [9][1] A general lack of coordination and an unsteady gait often follow. [2] It is also a basal ganglia disease ...
Hyperkinesia, more specifically chorea, is the hallmark symptom of Huntington's disease, formerly referred to as Huntington's chorea. Appropriately, chorea is derived from the Greek word, khoros, meaning "dance." The extent of the hyperkinesia exhibited in the disease can vary from solely the little finger to the entire body, resembling ...
Huntingtin. 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. [6]
Chorea. Chorea (or choreia, occasionally) is an abnormal involuntary movement disorder, characterized by quick movements of the hands or feet. It is one of a group of neurological disorders called dyskinesias. The term chorea is derived from the Ancient Greek: χορεία ("dance"; see choreia), as the movements of the body is comparable to ...
Basal ganglia disease. Basal ganglia disease is a group of physical problems that occur when the group of nuclei in the brain known as the basal ganglia fail to properly suppress unwanted movements or to properly prime upper motor neuron circuits to initiate motor function. [ 1 ] Research indicates that increased output of the basal ganglia ...
Tardive dyskinesia (TD) is an iatrogenic disorder that results in involuntary repetitive body movements, which may include grimacing, sticking out the tongue or smacking the lips, [1] which occurs following treatment with medication. [6][7] Additional motor symptoms include chorea or athetosis. [1] In about 20% of people with TD, the disorder ...
The first signs of Huntington's Disease are generally subtle; those affected commonly note tics and twitching as well as unexplained fluctuations of mood. Clumsiness, depression and irritability are noted. What begins as a slurring and slowing of speech eventually leads to difficulty communicating, reliance on a wheelchair, or confinement to a bed.
Huntington's disease is a neurodegenerative disease caused by mutations in a single gene HTT, that encodes for huntingtin protein. Symptoms include cognitive impairment and this usually declines further into dementia. [80] The first main symptoms of Huntington's disease often include: difficulty concentrating; memory lapses