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Visual Contrast Response Function Program

attachment:VisualResponseContrast

Participants view varying levels of contrast in sine wave gratings presented as dynamic moving images surrounding a central fixation target spotting task (spot a target in a continuous stream of letters).

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Parameters

A block design is used to allow for maximal HRF values and return to baseline. Alternate runs of the constant stimulus and adaptive procedure.

4 epis (2 constant and 2 adaptive runs at 2.5 and 6.5 each) Measurements: 780BR TR 1 BR 16 slices BR V1 ROI BR

None: VisualContrastResponse (last edited 2013-03-07 21:20:04 by localhost)