fixation point


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fixation point

The fovea or point on the retina where the visual axes (lines) meet the point of clearest vision.
See also: point
References in periodicals archive ?
The speed of the driver's fixation point reflects the speed of information processing in the previous fixation and the speed at which the subject searches for the next target.
Finally, the server PC calculates a fixation point of each eye
2) (Sac_dur_std) Std of saccade peak velocity 358 (151) 511 (254) (Sac_peak_vel) Adjacent fixation point 6.
The eye-tracking instrument (SMI iViewX HED) was employed for recording fixation points of drivers as test time goes on (Figures 3(c) and 3(d)).
During the whole training session, a fixation point remained in the center of the screen, where the participants had to direct his or her gaze at all times.
The response-key mapping was counterbalanced across participants, who were encouraged not to move the eyes from the fixation point.
In a recent study (Canto-Pereira, David, Machado-Pinheiro, & Ranvaud, 2007), for instance, volunteers had to respond (by pressing a key-manual reaction time, RT) to luminous points appearing at different positions on the screen while they kept staring at the fixation point in the center of the screen.
The extent to which an eccentric fixation point develops these characteristics determines whether the anomalous situation is eccentric fixation or viewing.
Numerical simulation suggested that the crash module could undergo global shear deformation and fail at the fixation point, falling off the front structure," said Alois Starlinger, head of structural analysis, testing, and certification at Stadler.
In the Encoding phase, the participants were told they would see a centered fixation point for 500 ms, followed by a horizontally and vertically centered matrix of four words which they were to memorize.