If You Cover the Penumbra with a Black Marker, the Perception

question 2

Multiple Choice

 If you cover the penumbra with a black marker, the perception of the border _____.

• A) remains constant
• B) changes from an illumination edge to a reflectance edge
• C) changes from a reflectance edge to an illumination edge
• D) can be predicted from the ratio principle

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Definitions:

Jugular Foramen

A large opening in the base of the skull that transmits the internal jugular vein and several cranial nerves.

Foramen Ovale

An opening in the septum between the two atria of the heart that is present in the fetus and typically closes shortly after birth.

Posterior Orbit

The rear part of the eye socket, where the eye and its associated structures are located.

Vision

The ability to interpret the surrounding environment by processing information contained in visible light.