The infected subjects were also less accurate than the controls in the categoric search task (88% v 93%; p<0.05).

In visual search tasks, observers are asked to find a target object hidden among distractors or in noise.

The N2pc also disappears when targets in the visual search task are defined as "any oddball object" rather than by one or more specific features.

Your task may cease to be a search task at all.

Of any search task, one can ask the following questions:

The usual strategy in real irreversible searches is the following: Choose some function f of the operators of the search task.

Ease of use refers not only to the man-machine interface level but, more importantly, to the search task itself.

Research indicates that performance in conjunctive visual search tasks significantly improves during childhood and declines in later life.

When accompanied by task-irrelevant mental activity, performance can actually improve on attentionally-demanding visual search tasks.

The experiment was a computer-based visual search task, where participants searched for a target among distractions.