Bidwell's ghost


Bidwell's ghost
   Also referred to as Purkinje afterimage. The eponym Bidwell's ghost refers to the British physicist Shelford Bidwell (1848-1909). It is used to denote a * negative afterimage that appears second in a temporal sequence of *afterimages resulting from exposure to a brief light stimulus. Like other negative afterimages, Bidwell's ghost takes on a hue complementary to that ofthe original optical stimulus. Bidwell's ghost is commonly classified as a *physiological illusion.
   References
   Brown, J.L. (1965). Afterimages.In: Vision and visual perception. Edited by Graham, C.H. New York, NY: Wiley.

Dictionary of Hallucinations. . 2010.

Look at other dictionaries:

  • Craig (ghost town), Butte County, California — Coordinates: 39°32′52″N 121°23′15″W / 39.54778°N 121.3875°W / 39.54778; 121.3875 …   Wikipedia

  • Daniel Kriegman — is an American psychoanalyst and writer. He is a founder of the Psychoanalytic Couple and Family Institute of New England, and a faculty member at the Massachusetts Institute for Psychoanalysis. He was formerly Chief Psychologist and the Director …   Wikipedia

  • Daniel Kriegman — est un écrivain et psychanalyste américain. Il est l un des fondateurs de l Institut psychanalytique pour la famille et le couple de Nouvelle Angleterre et un membre de la faculté de l Institut pour la Psychanalyse du Massachusetts. Il fut… …   Wikipédia en Français

  • Purkinje afterimage —    Also referred to as Purkinje image and Bidwell s ghost. The eponym Purkinje afterimage refers to the Bohemian physiologist Johannes Evange lista Purkyne (1787 1869). It is used to denote a negative afterimage that appears secondly in a… …   Dictionary of Hallucinations

  • Butte County, California — County of Butte   County   Butte County, with a view of the Sutter Buttes in the background …   Wikipedia

  • Chico, California — City of Chico   City   City Plaza in Chico …   Wikipedia

  • Bodie, California — Bodie   Ghost town   …   Wikipedia

  • List of California Historical Landmarks — This is a list of California Historical Landmarks. The official list may be seen [http://ohp.parks.ca.gov/listed resources/?view=all here] . NOTOC · =Alameda County= For more details, please see http://ohp.parks.ca.gov/default.asp?page id=21388.… …   Wikipedia

  • Paiute people — Piute redirects here. For other uses, see Piute (disambiguation). Paiute Angie Bulletts (Kaibab Paiute) weaves a Paiute cradleboard, Arizona, 2011 …   Wikipedia

  • Modoc County, California — County of Modoc   County   Seal …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.