Ibn Al-Haytham and Psychophysics

  title={Ibn Al-Haytham and Psychophysics},
  author={Craig Aaen-Stockdale},
  pages={636 - 638}
Persian scholar Ibn al-Haytham (‘Alhazen’) has rightly been credited with many advances in optics and vision science, but recent spurious claims that he is the ‘founder of psychophysics’ rest upon unsupported assertions, a conflation of psychophysics with the wider discipline of psychology, and semantic arguments over what it is to ‘found’ a school of thought. 

Ibn al-Haytham (965–1039 AD), the original portrayal of the modern theory of vision

Ibn al-Haytham was an Arab-Islamic scholar who helped develop the science of ophthalmology during the medieval era and was the first to reject firmly the extramission theory of vision.

The Experimental Study of Binocular Vision by Ibn al-Haytham and Its Legacy in the West*

Early modern physiological optics introduced the concept of correspondence through the study of the conditions for the fusion of binocular images. The formulation of this concept has traditionally

Thinking Outside the Disciplinary Box: a Reply to the Comments

This article is a reply to the comments on my target article, “Presentism and diversity in the history of psychology” (Brock Psychological Studies, 60,2015a). The most controversial aspect of the

Presentism and Diversity in the History of Psychology

Providing an entry on the history of psychology for the online encyclopaedia, Wikipedia has proved to be more problematic than one might expect. In particular, someone who goes under the internet

Selfish Memes: An Update of Richard Dawkins' Bibliometric Analysis of Key Papers in Sociobiology

This updated analysis shows that patterns of citation for the three papers, and Dawkins’ book itself, are actually remarkably similar and show no qualitative difference in citation growth.

Interface tool for human communication to integrate psychophysical inputs with rapid manufacturing technologies

The aim is to create an integration system that induces human communication, as a bridge between psychophysical data and a technique to use rapid manufacturing technologies for highly personalised product development.



Alhazen's Neglected Discoveries of Visual Phenomena

Alhazen clearly enunciated many of the fundamental principles which are credited to scientists living in the last two hundred years, including a theory of unconscious inference; the law of equal innervation of the eye muscles; the principles of binocular direction; constancy of size, shape, and colour; induced visual motion; and many others.

Ptolemy's Contributions to the Geometry of Binocular Vision

Ptolemy's Optics which was written in about the year 150 ad contains an account of the geometry of binocular vision which has been almost totally neglected in the vision literature. An English

The History of the Treatment of Amblyopia

Amblyopia is a decrease in visual acuity, usually in one eye, that persists after the correction of the refractive error or removal of any pathological obstacle to vision and no organic cause can normally be found.

A History of Experimental Psychology (New York: Appleton-Century-Crofts) Bruce V

  • Green P R, Georgeson M A,
  • 1950

Who is the founder of psychophysics and experimental psychology?

  • American Journal of Islamic Social Sciences
  • 1999

Ibn Al-Haytham's Criticisms of Ptolemy's Optics

Psychophysics according to Ibn al-Haytham (abstract only

  • Arab Journal of Psychiatry
  • 1990

Signal Detection Theory and Psychophysics (New York: Wiley

  • Howard I P,
  • 1966