Ontology highlight
ABSTRACT:
SUBMITTER: Sung K
PROVIDER: S-EPMC2612037 | biostudies-literature | 2009 Jan
REPOSITORIES: biostudies-literature
Proceedings of the National Academy of Sciences of the United States of America 20081229 1
The perceived direction of a moving line changes, often markedly, when viewed through an aperture. Although several explanations of this remarkable effect have been proposed, these accounts typically focus on the percepts elicited by a particular type of aperture and offer no biological rationale. Here, we test the hypothesis that to contend with the inherently ambiguous nature of motion stimuli the perceived direction of objects moving behind apertures of different shapes is determined by a who ...[more]