saccadic movement


Also found in: Dictionary, Thesaurus, Medical.
Related to saccadic movement: antisaccade

saccadic movement

[sə¦kad·ik ′müv·mənt]
(physiology)
Rapid eye movement that transfers the gaze from one fixation point to another.
Mentioned in ?
References in periodicals archive ?
Saccadic movement tests: The children were instructed to follow the light point on the bar, which ignited randomly for 20 seconds at 0.70 Hz, evaluating the integrity of the CNS for rapid movements.
It is expected that the modified precuing paradigm will produce an attentional enhancement and faster saccadic movement when the locations are the same (Hoffman & Subramaniam, 1995), and conversely when the locations are different should produce interference similar to a dual task experiments.
Saccades closer to the eyes were observed in the gender task and a downward shift in saccadic movements was observed in the emotion task.
We assume that, when processing spatial images, the centers involved in planning saccadic movements are occupied planning virtual movements of the images, thereby preventing physical eye movements, which would lead to longer fixations and their higher concentration or to shorter saccadic amplitude.
decolor, could be expected to see a moving target over 360[degrees], but with a binocular visual system the forward visual field where the target stimulus produces a consistent reaction (fixation of the target with saccadic movements of the head) is only 50-60[degrees] (Tenodera australasiae, Prete et al.
But, on the other hand, I have never seen a human eye with more rapid saccadic movements. What you must be doing is rapidly scanning and putting this picture together in your head." ...
The idea that you're able to decrease symptoms or cure PTSD by repetitive saccadic movements while recalling the trauma just sounds cuckoo," he said.
While such "aeration" does not consistently produce sense units, the combination of regularized spacing with signa nevertheless aids saccadic movements of the eye, potentially increasing the speed of comprehension.
The congenitally blind individual is unable to divulge his/her modality due to the inability of an instructor to observe the eye-accessing cues - six saccadic movements (Williams & Jacobson, 1989, p.