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Ataxia (from Greek α- [a negative prefix] + -τάξις [order] = "lack of order") is a neurological sign consisting of lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements, that indicates dysfunction of parts of the nervous system that coordinate movement, such as the cerebellum.
Intention tremors that are caused by normal, everyday activities, such as stress, anxiety, fear, anger, caffeine, and fatigue, do not seem to result from damage to any part of the brain. These tremors, instead, seem to be a temporary worsening of a small tremor that is present in every human being. These tremors generally go away with time. [5]
The diagnosis of A–T may not be made until the preschool years when the neurologic symptoms of impaired gait, hand coordination, speech and eye movement appear or worsen, and the telangiectasia first appear. Because A–T is so rare, doctors may not be familiar with the symptoms, or methods of making a diagnosis.
Spinocerebellar ataxia type 15 has been classified as an ADCA Type III as it has been noted to have postural and action tremor in addition to cerebellar ataxia. [4] Additionally, spinocerebellar ataxia type 20 (SCA20) is organized in ADCA III that often exhibits disease-like symptoms at an earlier age, sometime starting at fourteen years old.
Dyskinesia can be anything from a slight tremor of the hands to an uncontrollable movement of the upper body or lower extremities. Discoordination can also occur internally especially with the respiratory muscles and it often goes unrecognized. [3] Dyskinesia is a symptom of several medical disorders that are distinguished by their underlying ...
A tremor is an involuntary, [1] somewhat rhythmic muscle contraction and relaxation involving oscillations or twitching movements of one or more body parts. It is the most common of all involuntary movements and can affect the hands, arms, eyes, face, head, vocal folds, trunk, and legs. Most tremors occur in the hands.
Pseudobulbar palsy is the result of damage of motor fibers traveling from the cerebral cortex to the lower brain stem. This damage might arise in the course of a variety of neurological conditions that involve demyelination and bilateral corticobulbar lesions.
Ataxic cerebral palsy is clinically in approximately 5–10% of all cases of cerebral palsy, making it the least frequent form of cerebral palsy diagnosed. [1] Ataxic cerebral palsy is caused by damage to cerebellar structures, differentiating it from the other two forms of cerebral palsy, which are spastic cerebral palsy (damage to cortical motor areas and underlying white matter) and ...