Spiral illusion 5
since June 9, 2008
"A basic image of the spiral illusion of the illusion of Y-junctions"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2009 (February 25)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"A basic image of the spiral illusion of the Café Wall illusion"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2009 (February 25)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"A basic image of the spiral illusion of the illusion of Y-junctions"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2008 (October 1)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"A basic image of the spiral illusion of the Café Wall illusion"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2008 (October 1)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"A basic image of the spiral illusion of the Zöllner illusion"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2008 (October 1)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"A basic image of the spiral illusion of the illusion of fringed edges"
Concentric circles appear to be spirals.
produced by Akiyoshi Kitaoka 2008 (October 1)
Kitaoka, A., Pinna, B., and Brelstaff, G. (2001). New variations of spiral illusions. Perception, 30, 637-646.
"Rotating Uzumaki ampan"
Concentric rings appear to be spirals.
Copyright Akiyoshi Kitaoka 2008 (September 22)
"Uzumaki ampan glasses"
Concentric rings appear to be spirals.
Copyright Akiyoshi Kitaoka 2008 (September 22)
"Two pieces of Uzumaki ampan"
Concentric rings appear to be spirals.
Copyright Akiyoshi Kitaoka 2008 (September 22)
"Ceramic infinite staircase"
The width of the color ring is constant but appears to taper when seen clockwise. In addition, the ring appears to rotate clockwise.
Copyright Akiyoshi Kitaoka 2008 (August 14)
"Plastic Uzumaki ampan"
Concentric rings appear to be a spiral.
Copyright Akiyoshi Kitaoka 2008 (August 14)
"Peach spiral"
Concentric rings appear to be a spiral. In addition, they appear to rotate counterclockwise.
Copyright Akiyoshi Kitaoka 2008 (July 22)
"Peaches in Japan"
Concentric rings appear to be distorted.
Copyright Akiyoshi Kitaoka 2008 (June 9)
Japanese peaches appear to be pink rather than yellowish red.