These provide a visual stimulus for the skill-practice planned by the teacher.

For example, most infants smile to visual stimuli at about 5 weeks of age.

If one ignored the visual stimuli, it was quite acceptable.

There are now less visual stimuli, but it is still far too loud.

The visual stimulus associated with the drug and completion of the task is also removed.

"And the younger generation is more responsive to visual stimuli."

They are able to move their eyes but cannot fixate on specific visual stimuli.

The participants were asked to report differences between the visual stimuli presented to them in consecutive order.

One reason for the powerful response to visual stimuli in men, he said, could be cultural.

Many studies of the kappa effect have been conducted using visual stimuli.