Abstract
THERE is no doubt that movement of the positive after-image takes place without movement of the eyes as Mr. H. S. Ryland states (NATURE, November 18, p. 668). His experiment is complicated by the fact that all portions of the light shown have not the same intensity, causing a corresponding difference in the after-image.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to the full article PDF.
USD 39.95
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
EDRIDGE-GREEN, F. The Movement of the Positive After-image. Nature 110, 772 (1922). https://doi.org/10.1038/110772b0
Issue date:
DOI: https://doi.org/10.1038/110772b0


