White Noise Background

Description

White noise background stimulus.

Fills every pixel on the display with a random grayscale value (drawn from a uniform distribution). The experiment must explicitly initialize and update the pixel values via the Randomize White Noise Background action.

Signature

stimulus/white_noise_background

Optional Parameters

deferred

Options:no, yes, explicit Default:no

Controls when the stimulus is loaded. If no, the stimulus is loaded at experiment load time. If yes, the stimulus is loaded the first time it is queued. If explicit, the stimulus must be loaded explictly with Load Stimulus.