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418 Possible Causes for Abnormal Saccades

  • Autosomal Recessive Spinocerebellar Ataxia 8

    […] in ocular saccades attention defects impaired verbal working memory and visuospatial skills Normal life expectancy Autosomal recessive ataxias are generally associated with[] Other clinical manifestations that might help with diagnosis and management Abnormal eye movements, e.g., slow saccades, various forms of nystagmus, can be helpful.[] Slow saccades have been reported along with other oculomotor abnormalities, including square wave jerks, ophthalmoparesis, and strabismus.[]

  • Infantile Neuroaxonal Dystrophy 1

    INAD (Infantile Neuroaxonal Dystrophy) is a rare heredo-degenerative disease with onset in early infancy (after a period of latency), clinically characterized by progressive impairment of peripheral motor neurons and mental deterioration with cerebral and pyramidal signs and optic nerve atrophy. The authors[…][]

  • Oculomotor Apraxia

    We report a novel PNKP mutation in two siblings with progressive ataxia, abnormal saccades, sensorimotor neuropathy and dystonia consistent with the AOA type 4 phenotype.[]

  • Chronic Alcoholism

    […] in smooth pursuit eye movements, in saccadic inhibition during antisaccade tasks, and in prepulse inhibition, suggesting disturbed attention modulation and abnormal patterns[] RESULTS: Alcoholic patients display: (1) high beta and theta power in the resting electroencephalogram, suggesting hyperarousal of their central nervous system; (2) abnormalities[]

  • Puerperium

    As the affected eye saccades up, the upper lid overshoots.[] Posterior segment examination: Example, abnormal retinal pigmentation seen in Kearn-Sayre syndrome Cogan's lid twitch: Elicited by having the patient look in downgaze, followed[]

  • Anxiety Disorder

    Alongside psychiatric disorders, patients develop early motor signs: ataxia, abnormal movements and, an almost consistent finding, vertical supranuclear gaze palsy.[] This characteristic sign may be difficult to recognise as the condition can be subtle—for a long time, only voluntary saccadic movements are affected, whereas eye tracking[]

  • Subclavian Steal Syndrome

    Abnormal saccades were documented in one, and the auditory brainstem responses were pathological in all three patients; the caloric response was reduced in only one case.[] Electronystagmography tracing of Case 2 showing abnormal horizontal saccades.[] The horizontal saccades were abnormal (Fig. 4 ), and the caloric response was bilaterally normal.[]

  • Strabismus

    Our findings suggest that both fixational saccades and intersaccadic drifts are abnormal and likely contribute to the fixational instability in patients with strabismus.[] KEYWORDS: neurophysiology; pursuit; saccade; strabismus; vision[] These studies provide compelling evidence that a disturbance of binocular vision during a sensitive period early in life, whatever the cause, results in a cascade of abnormalities[]

  • Psychomotor Retardation

    This patient is also noted to have abnormal saccades and mask-like facies.[]

  • Migraine

    Directional gaze testing is usually abnormal, as is the Halmagyi head thrust test.[] Saccadic eye-motion testing is usually normal, but a rebound nystagmus may be present with hyperresponsive neural findings and presence of overshoot phenomenon.[]

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