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Items: 5

1.

Ataxia

A type of ataxia characterized by the impairment of the ability to smoothly perform the elements of a voluntary movement in the appropriate order and speed. With dyssynergia, a voluntary movement appears broken down into its component parts. [from HPO]

MedGen UID:
13945
Concept ID:
C0004134
Sign or Symptom
2.

Apraxia

A defect in the understanding of complex motor commands and in the execution of certain learned movements, i.e., deficits in the cognitive components of learned movements. [from HPO]

MedGen UID:
505148
Concept ID:
CN001982
Finding
3.

Ataxia

Cerebellar ataxia refers to ataxia due to dysfunction of the cerebellum. This causes a variety of elementary neurological deficits including asynergy (lack of coordination between muscles, limbs and joints), dysmetria (lack of ability to judge distances that can lead to under- oder overshoot in grasping movements), and dysdiadochokinesia (inability to perform rapid movements requiring antagonizing muscle groups to be switched on and off repeatedly). [from HPO]

MedGen UID:
504767
Concept ID:
CN001146
Finding
4.

Oculomotor apraxia

Ocular motor apraxia is a deficiency in voluntary, horizontal, lateral, fast eye movements (saccades) with retention of slow pursuit movements. The inability to follow objects visually is often compensated by head movements. There may be decreased smooth pursuit, and cancellation of the vestibulo-ocular reflex. [from HPO]

MedGen UID:
504541
Concept ID:
CN000618
Finding
5.

Ataxia with Oculomotor Apraxia

MedGen UID:
893676
Concept ID:
CN239198
Disease or Syndrome
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