The Bad GuysTM have you trapped in a matrix of alternate universes! But by careful observation, aided by your ability to detect motion parallax, you

Internet Psychology Lab

University of Illinois

How tall is wide? A little shorter than it should be. Look for yourself.

Internet Psychology Lab

University of Illinois

Some recent psychoacoustical research show that the cyclical nature of tones is not necessarily restricted to the octave. Help to find out for sure.

Internet Psychology Lab

University of Illinois

Bem Allen

Western Illinois University

Michael Birnbaum

Cal State Fullerton

This effect occurs when we hear and see someone talk. Our experience of speech is cross-modal: we obtain some information from looking at the lips

Internet Psychology Lab

University of Illinois

Bipin Indurkhia and Dietmar Janetzko

University of Freiburg

Michael Fetzer

University of Souther Mississippi

Jeff Elman

University of California, San Diego

Abigail Larrison

Rutgers University