saccade$71516$ - definitie. Wat is saccade$71516$
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Wat (wie) is saccade$71516$ - definitie

MEDICAL CONDITION
Saccadomania; Reflexive saccade

Opsoclonus         
Opsoclonus refers to uncontrolled, irregular, and nonrhythmic eye movement. Opsoclonus consists of rapid, involuntary, multivectorial (horizontal and vertical), unpredictable, conjugate fast eye movements without inter-saccadic intervals.
Antisaccade task         
Anti-saccade Task
The anti-saccade (AS) task is a gross estimation of injury or dysfunction of the frontal lobe, by assessing the brain’s ability to inhibit the reflexive saccade. Saccadic eye movement is primarily controlled by the frontal cortex.
Saccade         
  • Saccadic mainsequence, showing single saccades from a participant performing a visually-guided saccade task.
  • Saccades during observation of a picture on a computer screen
SHORT, QUICK, SIMULTANEOUS MOVEMENT OF BOTH EYES BETWEEN TWO OR MORE PHASES OF FIXATION IN THE SAME DIRECTION; RANDOM EYE MOVEMENT
Saccadic eye motion; Saccadic; Saccadic system; Saccades; Saccadic eye movement; Saccadic movement; Saccadic oscillations; Saccade adaptation; Saccadae; Voluntary eye movements; Saccads; Saccad; Ciccade
A saccade ( , French for jerk) is a quick, simultaneous movement of both eyes between two or more phases of fixation in the same direction.Cassin, B.

Wikipedia

Opsoclonus

Opsoclonus refers to uncontrolled, irregular, and nonrhythmic eye movement. Opsoclonus consists of rapid, involuntary, multivectorial (horizontal and vertical), unpredictable, conjugate fast eye movements without inter-saccadic intervals. It is also referred to as saccadomania or reflexive saccade. The movements of opsoclonus may have a very small amplitude, appearing as tiny deviations from primary position.

Possible causes of opsoclonus include neuroblastoma and encephalitis in children, and breast, lung, or ovarian cancer in adults. Other considerations include GLUT1 Deficiency Syndrome, multiple sclerosis, toxins, medication effects (e.g. Serotonin Syndrome), celiac disease, certain infections (West Nile virus, Lyme disease), non-Hodgkin lymphoma, and renal adenocarcinoma. It can also be caused by a lesion in the omnipause neurons which tonically inhibit initiation of saccadic eye movement (until signaled by the superior colliculus) by blocking paramedian pontine reticular formation (PPRF) burst neurons in the pons. It frequently occurs along with myoclonus in opsoclonus myoclonus syndrome.