From 1888 to 1927, Joseph Jastrow served on the UW’s faculty, where he was a pioneer in the field of psychology. One of his particular interests was optical illusions — especially those called bistable images (such as the duck-rabbit). He believed that what people saw depended on their emotional state. Look at the bistable images in this poll and tell us what you see.
Joseph Jastrow’s Mind Games
UW psychologist Joseph Jastrow wants to know: what do you see when you look at these pictures?
- John Allen
- March 12, 2026
- Milestones
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