Attentional Blink
Temporary visual deficit or impaired visual processing occurring in a rapid serial visual presentation task. After a person identifies the first of two visual targets, the ability to detect the second target is impaired for the next few hundred milliseconds. This phenomenon is called attentional blink.
Refractory Period, Psychological
Blinking
Brief closing of the eyelids by involuntary normal periodic closing, as a protective measure, or by voluntary action.
Attention
Pattern Recognition, Visual
Photic Stimulation
Cues
Visual Perception
Perceptual Masking
Psychophysics
Awareness
The act of "taking account" of an object or state of affairs. It does not imply assessment of, nor attention to the qualities or nature of the object.
Fixation, Ocular
Task Performance and Analysis
Psychomotor Performance
Color Perception
Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary.