Psychophysical evidence for low-level processing of illusory contours and surfaces in the Kanizsa square

Vision Research 31:1813-1817 (1991)
Download Edit this record How to cite View on PhilPapers
Light increment thresholds were measured on either side of one of the illusory contours of a white-on-black Kanizsa square and on the illusory contour itself. The data show that thresholds are elevated when measured on either side of the illusory border. These elevations diminish with increasing distance of the target spot from the white elements which induce the illusory figure. The most striking result, however, is that threshold elevations are considerably lower or even absent when the target is located on the illusory contour itself. At an equivalent position in a control figure where no illusory contour is visible, such a threshold decrease does not occur. The present observations add empirical support to neural theories of illusory form perception.
(categorize this paper)
PhilPapers/Archive ID
Revision history
Archival date: 2014-09-05
View upload history
References found in this work BETA

No references found.

Add more references

Citations of this work BETA

Add more citations

Added to PP index

Total views
298 ( #13,479 of 46,191 )

Recent downloads (6 months)
59 ( #13,299 of 46,191 )

How can I increase my downloads?

Downloads since first upload
This graph includes both downloads from PhilArchive and clicks to external links.