Chiu and Yantis (2009) directed participants in a study to keep their eyes fixed on the center of a display as they directed their attention to rapidly changing letters and digits on either the left side or the right side of the display. When they used fMRI to measure changes in brain activity, they found that:

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Chiu and Yantis (2009) found that changes in brain activity could occur due to shifts in attention without the need for actual eye movements, indicating that the brain responds to where attention is directed, not just to eye movement.

Chiu and Yantis (2009) Directed Participants in a Study to Keep