Rotating
'trapezoid' Quicktime movie (82,584 bytes): Is it the difference in
length of the vertical sides or the difference in the enclosing angles that
underlies the rotating trapezoid illusion? (See Braunstein, 1971.)
Dihedral
angle Quicktime movie (448k): Does relative velocity
determine perceived 3D orientation in a parallel projection? (See Braunstein,
Liter, & Tittle, 1993.)
Size
constancy Quicktime movie (1MB): Can size constancy occur in
parallel projections? (Do the small cylinders appear to change size as they
move from front to back?) (See Turner & Braunstein, 1995.)
Does
enclosing part of a scene in a frame affect the perceived shapes of objects?
(See Eby & Braunstein, 1995.)
scenes
Do
the three cylinders appear to be at different locations on the ground or
stacked vertically? (See Rui, Braunstein, & Andersen 2003.) Quicktime
movie (10 MB)
How
does the lower object affect the perceived position of the upper object?
Compare a dark
lower object and a light lower object.
(See Rui, Braunstein, & Andersen 2003.) Quicktime
movies (22 MB)
Is the path of the ball straight or curved? (Gillespie, Braunstein, & Andersen 2008 Vision Sciences Society Meeting.) Quicktime
movie (8 MB)