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Dysdiadochokinesia is also seen in Friedreich's ataxia and multiple sclerosis, as a cerebellar symptom (including ataxia, intention tremor and dysarthria). It is also a feature of ataxic dysarthria. Dysdiadochokinesia often presents in motor speech disorders , therefore testing for dysdiadochokinesia can be used for a differential diagnosis.
Ataxic dysarthria is an acquired neurological and sensorimotor speech deficit. It is a common diagnosis among the clinical spectrum of ataxic disorders. [ 9 ] Since regulation of skilled movements is a primary function of the cerebellum , damage to the superior cerebellum and the superior cerebellar peduncle is believed to produce this form of ...
This disorder is characterized by the adult-onset triad consisting of the following symptoms: sensory ataxic neuropathy, dysarthria, and ophthalmoparesis. MRIS often reveals white matter abnormalities and bilateral thalamus lesions. Other symptoms include generalized myopathy, epilepsy, and deafness. [1] [2]
Scanning speech is a type of ataxic dysarthria in which spoken words are broken up into separate syllables, often separated by a noticeable pause, and spoken with varying force. [1] The sentence "Walking is good exercise", for example, might be pronounced as "Walk (pause) ing is good ex (pause) er (pause) cise".
Flaccid dysarthria is characterized by little control over pitch and voice volume, reduced speech rate, and impaired voice quality; Hypokinetic dysarthria is characterized by harsh voice quality, monotone, reduced volume and breathiness; Ataxic dysarthria is characterized by harsh voice quality, reduced speech rate, and poor volume and pitch ...
Motor speech disorders are a class of speech disorders that disturb the body's natural ability to speak due to neurologic impairments. These neurologic impairments make it difficult for individuals with motor speech disorders to plan, program, control, coordinate, and execute speech productions. [ 1 ]
Many ataxic disorders which were historically identified as Marie's ataxia, olivopontocerebellar atrophy or other names were now reclassified as types of spinocerebellar ataxia, each type numbered in order as a new locus was found. [76] In 1993, the gene and a mutation causing spinocerebellar ataxia type 1 was identified.
Developmental verbal dyspraxia also known as childhood apraxia of speech. Dysarthria is a weakness or paralysis of speech muscles caused by damage to the nerves or brain. Dysarthria is often caused by strokes, Parkinson's disease, [9] ALS, head or neck injuries, surgical accident, or cerebral palsy. Aphasia