2. From perception to interpretation

2.1 Pseudo-convergences

We saw in paragraph 2.1.2 that the simultaneous perception of an image and a sound can escape the process of fusion/dissociation and enter that of compromise. This is known as "summation". One of the most classic cases of pseudo-convergence is known as the "ventriloquist effect".

A puppet animator who speaks without moving his lips gives the spectator the impression that the sound is coming from his puppet's mouth. The illusion is reinforced by the...