The physical symptoms of<unk>  include an intention<unk> , cerebellar<unk> , and parkinsonism. This includes small, shuffling steps, muscle rigidity and slowed speech, as well as neuropathic symptoms. As the disease progresses to the more advanced stages, an individual with<unk>  is also at risk of autonomic dysfunction: hypertension, bowel and bladder dysfunction, and impotence. An individual with<unk>  may also exhibit the following symptoms: a decrease in cognition, which includes diminishing short-term memory and executive function skills, declining math and spelling abilities and decision-making abilities.<unk>  may also result in changes in personality, due to alterations of the limbic area in the brain. This includes increased irritability, angry outbursts, and impulsive behaviour
Fragile X-associated tremor/ataxia syndrome
X-linked dystonia parkinsonism
Huntington's disease-like syndrome
Fragile X syndrome
Rett syndrome
Dravet syndrome
Trichothiodystrophy
Parkinson-plus syndrome