Perceptual Constraints and Cerebral Organization Essay Exam Discuss how perceptual constraints and cerebral organization influence how words are recognized during reading.

The act of reading text may appear to be a static action involving a minimal amount of activity, but every turn of the page requires the human brain to engage a veritable concert of cognitive processing. While seemingly instantaneous, reading just a single word combines the eye's ability to fixate and project visual information with the brain's interpretive power, enabling an experienced reader to synthesize wide swaths of textual data in the proverbial blink of an eye. As empirical psychological inquiry has revealed many of the mysteries hidden within the human brain, cognitive researchers have developed a more complete understanding of the perceptual and cerebral processes which are essential to man's unique ability to decipher meaning from an organization of symbols. Concurrently, the spectrum of anatomical knowledge has been significantly expanded through the advent of microscopic exploration, and today the study of vision enables researchers to examine the structural components of the eye itself. By combining these diverse fields of inquiry, two competing schools of thought have emerged regarding the fovea centralis -- an area of the eye located in the center of the macula region of the retina that is crucial for sharp central vision used in reading. Proponents of the split fovea theory (SFT) assert that "that the fovea is anatomically and functionally divided down the middle, with all visual information that originates to the left of fixation projecting initially to the right cerebral hemisphere while all visual information that originates to the right of fixation projects first to the left cerebral hemisphere" (Ellis & Brysbaert, 2010). Conversely, the traditionally held bilateral projection...

A review of the prevailing research concerning both split fovea theory and bilateral projection theory is a useful exercise in assessing how perceptual constraints and cerebral organization influence how words are recognized during reading.
One of the crucial challenges encountered during the course of research into visual word recognition concerns the hemispheric processing used by the brain to decipher retinal images. As elucidated by researchers Timothy R. Jordan and Kevin B. Paterson, "it has been known for many years that a fundamental determinant of this processing is the anatomical arrangement of the human visual system which causes information in each visual hemifield to project to the contralateral hemisphere" (2009), and comprehending the brain's ability to interpret textual information on a hemispheric level has emerged as a priority within the field of perceptual studies. In particular, the role that hemispheric processing plays in foveal vision has come under intense scientific scrutiny, with proponents of split fovea theory asserting that "if this theory of word recognition is correct, different parts of fixated words would be processed (at least initially) by different hemispheres and this would represent a major contribution to our understanding of the processes responsible for word recognition" (Jordan & Paterson, 2009). The implications of continued research on the subject of split fovea theory and the perceptual basis of word recognition are wide ranging indeed, as several distinct fields of inquiry would undoubtedly be refined, including the study of learning disabilities such as…