Two sinusoids: 6 – 1 perceptions

2010 Third prize
2010 Third prize

Jan Kremlacek

Charles University in Prague, Czech Republic
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Multiplication of stationary and moving sinusoid builds a moving curve with five perceptible and one hardly traceable interpretation. After a short observation a jerky leftwards motion (1st percept) transforms to a rigid rotating double-helix (2nd) or a flexible weaving ribbon (3rd). Both structures derived from the motion are ambiguous and can be perceived as rotating or waving in one of two ways (4th and 5th). Displaying the curve as dots bouncing up and down without any change of their horizontal position creates 6th percept, which is difficult to follow. To explore all multistable perceptions use the movie cues.

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