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Joseph Jastrow’s Mind Games

UW psychologist Joseph Jastrow wants to know: what do you see when you look at these pictures?

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.

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