Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Stimulus for Experiment 8: An ambiguous pattern for Gestalt grouping. When printed correctly with equal luminance increments and decrements, the visual black–white asymmetry causes the black diamonds, which form −45° stripes, to have greater strength than the white dots at +45°.
