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Home ARVO Demo Custom Magni-phi Custom Simpli-phi |
This demonstration of Magni-phi, developed by Filip J. Pizlo, requires a Java 1.1 browser, such as Netscape 4.06 or later and Internet Explorer 4.0 or later. Magni-phi is a greatly enhanced version of the phi-phenomenon Max Wertheimer discovered in 1912. It is a "pure" movement because the objects creating the percept, the disks, are not seen to change position in space. A number of options are provided. ARVO Demo was displayed during the talk given by Steinman, Pizlo & Pizlo at ARVO on Monday, May 1, 2000 @ 15:45 GMT. This demo provides a series of pre-configured menu options that demonstrate the robustness of Magni-phi, and compare it to Phi and Beta. Custom Magni-phi is user-configurable. Magni-phi depends primarily on delay parameters, so it is best to leave them alone until the other options have been explored. Custom Simpli-phi demonstrates Wertheimer's Phi, which is much less vivid. If you wish to use resources on this page for your own demos, we recommend that you download an archive of this site. Two files in different formats are provided: archive.zip or archive.tar.gz. |
Steinman, R. M., Pizlo, Z. & Pizlo, F. J. (2000) Phi is not beta, and why Wertheimer's discovery launched the Gestalt revolution: a minireview. Vision Research, 40, in press. |