Cyclic Model Of Perception


CYCLOPEAN EYE. This speculation originally referred to a supposed/hypothetical structure in the brain where the retinal images from both eyes are combined. Historically, the French philosopher Rene Descartes (1596-1650) asserted, erroneously, that such an entity resides in the pineal gland (because that structure is located in the center of the head); the German physiologist/physicist Hermann L. F. von Helmholtz (1821-1894) named the hypothetical structure the Cyclopean eye after the Greek mythological figure of the Cyclops, a member of a family of giants, who had a single round eye in the middle of its forehead; and, most recently, the Canadian-born American neurophysiologist David H. Hubel (1926-) and the Swedish neurobiologist Torsten N. Wiesel (1924- ) located a region in the brain, containing the binocular cells/neurons of the visual cortex (approximately half the neurons in the primary visual cortex are binocular), where such retinal images combine to give one the sensation or experience of a single stereoscopic/three-dimensional depth perception. See also HOROPTER THEORY; PANUM PHENOMENON/EFFECT. REFERENCES

Hubel, D. H., & Wiesel, T. N. (1959). Receptive fields of single neurones in the cat's striate cortex. Journal of Physiology, 148, 574-591. Hubel, D. H., & Wiesel, T. N. (2000). Receptive fields and functional architecture of monkey striate cortex. In S. Yantis (Ed.), Visual perception: Essential readings. New York: Psychology Press.


Conquering Fear In The 21th Century

Conquering Fear In The 21th Century

The Ultimate Guide To Overcoming Fear And Getting Breakthroughs. Fear is without doubt among the strongest and most influential emotional responses we have, and it may act as both a protective and destructive force depending upon the situation.

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