Oculomotor control in a sequential search task.
Using a serial search paradigm, we observed several effects of within-object fixation position on spatial and temporal control of eye movements: the preferred viewing location, launch site effect, the optimal viewing position, and the inverted optimal viewing position of fixation duration. While these effects were first identified by eye-movement studies in reading, our approach permits an analysis of the functional relationships between the effects in a different paradigm. Our results demonstrate that the fixation position is an important predictor of the subsequent saccade by influencing both fixation duration and the selection of the next saccade target.
Trukenbrod
Hans A
HA
Department of Psychology, University of Potsdam, Am Neuen Palais 10, 14469 Potsdam, Germany. Hans.Trukenbrod@uni-potsdam.de
Engbert
Ralf
R
D000328:Adult; D005403:Fixation, Ocular / Q000502:physiology; D006801:Humans; D010364:Pattern Recognition, Visual / Q000502:physiology*; D010775:Photic Stimulation / Q000379:methods; D011597:Psychomotor Performance / Q000502:physiology; D011932:Reading; D012438:Saccades / Q000502:physiology*; D013997:Time Factors