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plaid

Unikinetic

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Summary

This stimulus consists of a plaid - the sum of two sinusoidal gratings - in which one grating (45 deg oblique) is static while the other (vertical) is moving. This is a Type II plaid.

Examples

• plaid_unikin_p45.stm - 2016 Dec 23 - Movie (.mov) - Vertical moving plus 45 deg static.
• plaid_unikin_n45.stm - 2016 Dec 23 - Movie (.mov) - Vertical moving plus -45 deg static.

Parameters

• direction - reference direction from which theta1 and theta2 are measured.

• theta1 - direction (deg) of motion of the first component, relative to direction.

• theta2 - direction (deg) of motion of the second component, relative to direction.

• tf1 - temporal frequency (Hz) of motion of the first component.

• tf2 - temporal frequency (Hz) of motion of the first component.

• dichoptic - 0-Left eye only. (Other values, not relevant to this stimulus: 1-Right eye only, 2-split, 3-same in both eyes, 4-Disparity plaid)

• size - aperture size.

• aptype - [0] - 0-none, 1-circle

• ... -

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