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Stereotypic movement disorder is often misdiagnosed as tics or Tourette syndrome (TS). [6] [7] Unlike the tics of TS, which tend to appear around age six or seven, repetitive movements typically start before age three, [1] [8] are more bilateral than tics, and consist of intense patterns of movement for longer runs than tics. Tics are less ...
The tic-like movements and swelling of the third ventricle associated with bobble-head doll syndrome are similar to that of other movement disorders caused by diseases of the corpus callosum and aforementioned basal ganglia. Because of the swelling, added pressure is applied to these formations causing their basic functions to be disturbed.
A tic is a sudden and repetitive motor movement or vocalization that is not rhythmic and involves discrete muscle groups. [1] [2] [3] Tics are typically brief and may resemble a normal behavioral characteristic or gesture. [4] Tics can be invisible to the observer, such as abdominal tensing or toe crunching.
Another theory suggests that RMD is a learned, self-stimulating behavior to alleviate tension and induce relaxation, similar to tic movements. [15] An alternative theory suggests that the rhythmic movements help develop the vestibular system in young children, which can partially explain the high prevalence of RMD in infants.
Severity declines steadily for most children as they pass through adolescence, when half to two-thirds of children see a dramatic decrease in tics. [39] In people with TS, the first tics to appear usually affect the head, face, and shoulders, and include blinking, facial movements, sniffing and throat clearing. [14]
Shaken baby syndrome (SBS), also known as abusive head trauma (AHT), is a controversial and scientifically disputed [4] [5] [6] medical condition in children younger than five years old, [3] hypothesized to be caused by blunt trauma, vigorous shaking, or a combination of both. [4] [1]
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 ...
Knowledge, education and understanding are uppermost in management plans for tic disorders, [6] and psychoeducation is the first step. [14] [15] A child's parents are typically the first to notice their tics; [16] they may feel worried, imagine that they are somehow responsible, or feel burdened by misinformation about Tourette's. [14]