Control of Visually Guided Eye Movements
D. Temporal Factors in Visually Guided Saccadic Eye Movements
1. The conditions under which express
saccades can and cannot be generated.
b. Are express saccades produced right off in
the exprimental situation described or does it take training for them
31 shows the distribution of saccadic latencies to a target
that appears at position 225/5 with the fixation spot at 0/0 after limited
exposure to this arrangement and after the monkey has made many thousands
of saccades to this target. Few express saccades are made initially as
shown in the upper panel; after extensive traning, as shown in the lower
panel, numerous express saccades are made. Thus the generation of express
saccades appears to require extensive training.