CS564 – Lecture 21

Visual Attention

Laurent Itti

USC

Itti & Koch, Nat Rev Neurosci, Mar. 2001

Covert vs Overt Attention

• Covert attention: shift attention without eye movements. Very fast (up to 20 items/sec)

• Overt attention: move eyes. Slower (3-4 items/sec)

• How do both forms of attention interact?

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