منابع مشابه
Velocities of vertical saccades with different eye movement recording methods.
Voluntary vertical saccades were recorded in five normal human subjects with electro-oculography (EOG), an infrared, limbus tracking system (IR), and a magnetic scleral search coil method. The peak velocity-amplitude relationships of up and down saccades were measured during refixations across the center of the orbit and within the upper and lower fields of the orbit. The search coil was the mo...
متن کاملVisagraph Ii Eye Movement Recording System
The Visagraph IITM Eye Movement Recording System is an instrument that assesses reading eye movement efficiency and related parameters objectively. It also incorporates automated data analysis. In the standard protocol, the patient reads selections only at the level of their current school grade, or at the level that has been determined by a standardized reading test. In either case, deficient ...
متن کاملSources of artifact in infrared recording of eye movement.
A detailed analysis of recording artifacts present in normal horizontal saccadic eye movements was performed using infrared reflective oculography. The effects of diode displacement were assessed. Optimal recordings were obtained with infrared sensors displaced 1 mm scleral to the midlimbal position. Displacement of the infrared sensor toward the sclera resulted in an artifactual decrease in ap...
متن کاملThe Readability of Sample Stories for Eye Movement Recording
For more than 40 years, the profession of optometry has relied upon an established series of graded reading passages and norms to evaluate the mechanics of reading. Educational Developmental Laboratories (EDL) initially copyrighted these stories in 1958.1 The passages tested students from first grade to adult levels. These same stories have continued as the gold standard with a number of differ...
متن کاملCHAPTER 9 Eye Movement Characteristics and Recording Techniques
acuity (fovea) and to maintain foveal fixation of a mov ing object. The acquisition (gaze shifting) and securing (gaze holding) of stationary object images on the fovea and the stabilization of images on the fovea during head movement (gaze holding) or target movement (gaze shifting) constitute the basic functions of human eye movements. Although many specific types of eye move ment abnormali...
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ژورنال
عنوان ژورنال: Behavior Research Methods & Instrumentation
سال: 1975
ISSN: 1554-351X,1554-3528
DOI: 10.3758/bf03201553