|Statement||C. C. D. Shute.|
|LC Classifications||QP492 .S58|
|The Physical Object|
|Pagination||149 p. :|
|Number of Pages||149|
|LC Control Number||78015609|
McCollough effect, an optical illusion, named after Celeste McCollough; This page lists people with the surname McCollough. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. The McCollough Institute - Cypress Bend Blvd, Gulf Shores, Alabama - Rated based on 25 Reviews "va has made my experience at The /5(25). The McCollough effect is a phenomenon of human visual perception in which colorless gratings appear colored contingent on the orientation of the gratings. It is an aftereffect requiring a period of induction to produce it. For example, if someone alternately looks at a red horizontal grating and a green vertical grating for a few minutes, [ ]. Ferrell McCollough's book is an excellent all round view of HDR and related techniques. This book would be an ideal book for an experienced digital photographer just starting in HDR. I found information which confirmed and extended my previous knowledge as well as Cited by: 7.
The Effect It is called the McCollough Effect, and was originally described by Celeste McCollough in a paper in Science in It has been the focus of on-going investigation ever since. The effect typically lasts for hours, or even overnight. The duration can be changed by the consumption of coffee and other psychoactive drugs. The McCollough Effect is thought to involve the monocular pathways at an early stage of the visual cortex. This is based on multiple theories which . The McCollough effect is a phenomenon of human vision: Colorless gratings appear colored contingent on the orientation of the gratings. People need time to see the effect. For example, if someone looks at a red horizontal grating and then at a green vertical grating for a few minutes, a black-and-white horizontal grating will look greenish and a black-and-white vertical grating will then look. A demonstration of the McCollough effect. This optical illusion is similar to an after image effect illusion insofar as it involves complementary colors. It is different from an after image effect.
O ver the course of nearly 50 years, Pulitzer Prize-winning historian David McCullough has traveled across the U.S. speaking to audiences — at . According to a Pavlovian conditioning analysis of the orientation-contingent color aftereffect (the McCollough effect), orientation stimuli become associated with simultaneously presented chromatic stimuli. This account suggests that decreasing the contingency between the putative conditional stimulus (grid orientation) and the unconditional stimulus (color) should decrease the Cited by: Four experiments were conducted to test earlier claims about the relationship between the negative afterimage and the McCollough effect. The first claim (Hansel & Mahmud, ) is that long-lasting afterimages occur when induced by the same alternating-stimulus procedure as that used to induce the McCollough effect. The second claim (Murch & Hirsch, ) is that afterimages can Cited by: 7. The McCollough effect is a phenomenon of human visual perception in which colorless gratings appear colored contingent on the orientation of the gratings. It is an aftereffect requiring a period of induction to produce it. For example, if someone alternately looks at a red horizontal grating and a green vertical grating for a few minutes, a black-and-white horizontal grating will then look.