Perceptual Properties of the Poisson Effect.

ABSTRACT: When an elastic material (e.g., fabric) is horizontally stretched (or compressed), the material is compressed (or extended) vertically - so-called the Poisson effect. In the different case of the Poisson effect, when an elastic material (e.g., rubber) is vertically squashed, the material is horizontally extended. In both cases, the visual system receives image deformations involving horizontal expansion and vertical compression. How does the brain disentangle the two cases and accurately distinguish stretching from squashing events? Manipulating the relative magnitude of the deformation of a square between horizontal and vertical dimensions in the two-dimensional stimuli, we asked observers to judge the force direction in the stimuli. Specifically, the participants reported whether the squ

SUBMITTER: Kawabe T 

PROVIDER: S-EPMC7862111 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature