Overview

Abraham Lincoln effect


Show Summary Details

Quick Reference

The tendency for a block portrait to be difficult to recognize as a meaningful image when viewed close up but to become more recognizable when viewed from a distance or when blurred by half closing the eyes, for example, loss of information paradoxically increasing the recognizability of the image. See block portrait (and accompanying illustration). [Named by the US biomedical engineer Leon D(avid) Harmon (1922–82) after Abraham Lincoln (1809–65), the 16th US president, whose image he used to construct the first block portrait, published in a technical report in 1971 and in an article in Scientific American magazine in 1973]

Subjects: Psychology.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.