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</div><div><span>Basal ganglia dysfunction</span></div></div>
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<article><div id="d-article"><div class="page-info"><div class="page-title"><a name="start" id="start">
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</a><h1 class="with-also" itemprop="name">Basal ganglia dysfunction</h1>
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</noscript></div><div class="main"><div id="ency_summary"><p>Basal ganglia dysfunction is a problem with the deep brain structures that help start and control movement.</p></div><section><div class="section"><div class="section-header"><div class="section-title"><h2>Causes</h2></div><div class="section-button"><button type="submit" aria-controls="section-1" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-1"><div class="videobox"><div class="group"><img class="rollover_globals" alt="Athetosis resulting from basal ganglia injury" title="Athetosis resulting from basal ganglia injury" src="//medlineplus.gov/ency/images/ency/tnails/200036t.gif"/>Watch this video about:<a class="blk" href="../anatomyvideos/000007.htm">Athetosis resulting from basal ganglia injury</a></div></div><p>Any condition that can cause brain injury can damage the basal ganglia. Such conditions include:</p><ul><li><a test="test" href="./002804.htm">Carbon monoxide poisoning</a></li><li>Medicine or illegal drug overdose</li><li>Head injury</li><li>Infection</li><li>Liver disease</li><li><a test="test" href="./002257.htm">Metabolic</a> problems</li><li><a test="test" href="./000737.htm">Multiple sclerosis</a> (MS)</li><li>Poisoning with copper, manganese, or other heavy metals</li><li><a test="test" href="./000726.htm">Stroke</a></li><li>Tumors </li></ul><p>A common cause of the symptoms of basal ganglia dysfunction is chronic use of medicines called antipsychotics, used to treat <a test="test" href="./000928.htm">schizophrenia</a>.</p><p>Many brain disorders are associated with basal ganglia dysfunction. They include:</p><ul><li><a test="test" href="./003197.htm">Dystonia</a> (muscle tone problems)</li><li><a test="test" href="./000770.htm">Huntington disease</a> (nerve cells in certain parts of the brain waste away, or degenerate)</li><li><a test="test" href="./000757.htm">Multiple system atrophy</a> (widespread nervous system disorder)</li><li><a test="test" href="./000755.htm">Parkinson disease</a></li><li><a test="test" href="./000767.htm">Progressive supranuclear palsy</a> (movement disorder from damage to certain nerve cells in the brain)</li><li><a test="test" href="./000785.htm">Wilson disease</a> (disorder causing too much copper in the body's tissues) </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Symptoms</h2></div><div class="section-button"><button type="submit" aria-controls="section-2" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-2"><p>Damage to the basal ganglia cells may cause problems controlling speech, movement, and posture. This combination of symptoms is called parkinsonism. </p><p>A person with basal ganglia dysfunction may have trouble starting, stopping, or sustaining movement. Depending on which area of the brain is affected, there may also be problems with memory and other thought processes.</p><p>In general, symptoms vary and may include:</p><ul><li>Movement changes, such as involuntary or slowed movements</li><li>Increased muscle tone</li><li>Muscle spasms and muscle rigidity</li><li>Problems finding words</li><li><a test="test" href="./003192.htm">Tremor</a></li><li>Uncontrollable, repeated movements, speech, or cries (tics)</li><li>Walking difficulty</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Exams and Tests</h2></div><div class="section-button"><button type="submit" aria-controls="section-3" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-3"><p>Your health care provider will perform a physical exam and ask about your symptoms and medical history.</p><p>Blood and imaging tests may be needed. These may include:</p><ul><li><a test="test" href="./003786.htm">CT</a> and <a test="test" href="./003791.htm">MRI</a> of the head</li><li>Genetic testing</li><li><a test="test" href="./007269.htm">Magnetic resonance angiography</a> (MRA) to look at the blood vessels in the neck and brain</li><li><a test="test" href="./003827.htm">Positron emission tomography</a> (PET) to look at the metabolism of the brain</li><li>Blood tests to check blood sugar, thyroid function, liver function, and iron and copper levels </li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Treatment</h2></div><div class="section-button"><button type="submit" aria-controls="section-4" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-4"><p>Treatment depends on the cause of the disorder. Most people may benefit from physical therapy to reduce the risk of falling. Occupational therapy can help them remain independent. Speech therapy is helpful for those who have trouble swallowing or speaking.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Outlook (Prognosis)</h2></div><div class="section-button"><button type="submit" aria-controls="section-5" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-5"><p>How well a person does depends on the cause of the dysfunction. Some causes are reversible, while others require lifelong treatment.</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>When to Contact a Medical Professional</h2></div><div class="section-button"><button type="submit" aria-controls="section-6" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-6"><p>Contact your provider if you have any:</p><ul><li>Abnormal or involuntary movements</li><li>Falls without known reason</li><li>If you or others notice that you are shaky or slow</li></ul></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>Alternative Names</h2></div><div class="section-button"><button type="submit" aria-controls="section-Alt" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Alt"><p>Extrapyramidal syndrome; Antipsychotics - extrapyramidal</p></div></div></section><section><div class="section"><div class="section-header"><div class="section-title"><h2>References</h2></div><div class="section-button"><button type="submit" aria-controls="section-Ref" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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</div></div><div class="section-body" id="section-Ref"><p>Jankovic J. Parkinson disease and other movement disorders. In: Jankovic J, Mazziotta JC, Pomeroy SL, Newman NJ, eds. <em>Bradley and Daroff’s Neurology in Clinical Practice</em>. 8th ed. Philadelphia, PA: Elsevier; 2022:chap 96.</p><p>Okun MS, Ostrem JL. Other movement disorders. In: Goldman L, Cooney KA, eds. <em>Goldman-Cecil Medicine</em>. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 379.</p><p>Vestal E, Rusher A, Ikeda K, Melnick M. Disorders of the basal nuclei. In: Lazaro RT, Reina-Guerra SG, Quiben MU, eds. <em>Umphred's Neurological Rehabilitation</em>. 7th ed. St Louis, MO: Elsevier; 2020:chap 18.</p></div></div></section>
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<section><div class="section"><div class="section-header"><div class="section-title"><h2>Review Date 6/13/2024</h2></div><div class="section-button"><button type="submit" aria-controls="section-version" role="button" title="Expand/Collapse section"><span class="icon icon-section-action">
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<div id="section-version" class="section-body"><p>Updated by: Joseph V. Campellone, MD, Department of Neurology, Cooper Medical School at Rowan University, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.</p>
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