# Wundt illusion

> English word · Noun

## Definitions
1. An optical illusion in which a background of crooked lines makes a figure in the foreground appear distorted.

## Etymology
First described by German psychologist Wilhelm Wundt in the 19th century.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/wundt-illusion