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Tic disorders are more commonly diagnosed in males than females. [3] At least one in five children experience some form of tic disorder, most frequently between the ages of seven and twelve. [9] [10] Tourette syndrome is the more severe expression of a spectrum of tic disorders, which are thought to be due to the same genetic vulnerability ...
Movement disorders are clinical syndromes with either an excess of movement or a paucity of voluntary and involuntary movements, unrelated to weakness or spasticity. [ 1 ] Movement disorders present with extrapyramidal symptoms and are caused by basal ganglia disease. [ 2 ] Movement disorders are conventionally divided into two major categories ...
They are found especially in people with autism spectrum disorders, visually impaired children, and are also found in intellectual disabilities, tardive dyskinesia and stereotypic movement disorder, yet may also be encountered in neurotypical individuals as well. [3] Studies have shown stereotypies to be associated with some types of ...
Since the DSM-5 (2013), excoriation disorder is classified as "L98.1 Excoriation (skin-picking) disorder" in ICD-10; [ 19 ] and is no longer classified in "Impulse control disorder" (f63). Excoriation disorder is defined as "repetitive and compulsive picking of skin which results in tissue damage".
Motor disorders are disorders of the nervous system that cause abnormal and involuntary movements. They can result from damage to the motor system. [1]Motor disorders are defined in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) – published in 2013 to replace the fourth text revision – as a new sub-category of neurodevelopmental disorders.
Conditions besides Tourette syndrome that may manifest tics or stereotyped movements include developmental disorders, autism spectrum disorders, [29] and stereotypic movement disorder; [30] [31] Sydenham's chorea; idiopathic dystonia; and genetic conditions such as Huntington's disease, neuroacanthocytosis, pantothenate kinase-associated ...
Conversion disorder (CD), or functional neurologic symptom disorder (FNsD), is a functional disorder that causes abnormal sensory experiences and movement problems during periods of high psychological stress. Individuals with CD present with highly distressing neurological symptoms such as numbness, blindness, paralysis, or convulsions, which ...
Developmental coordination disorder (DCD), also known as developmental motor coordination disorder, developmental dyspraxia or simply dyspraxia (from Ancient Greek praxis 'activity'), is a neurodevelopmental disorder [1] characterized by impaired coordination of physical movements as a result of brain messages not being accurately transmitted to the body.