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The role of feedback in language processing
The thesis is being published years after its defense. The author, Teresa Pelka, defended it in the year 2000. Within these years, there has not been any reason to change the work as regards its content and conclusions. Therefore, the author has added a few footnotes in order to make the thesis more accessible to a reading public wider than that of university premises. Unless otherwise stated, term explications have been formulated by the author. Merriam-Webster’s Collegiate® Dictionary 2005 has been referred for consistency in contemporary term definitions. Underlined terms may be found in the glossary – still being constructed.
The author is an M.A. in English Philology, American English, specialized in psycholinguistics. Philology is language study (ancient Greek philos, loving, logos, words, speech, reason, and legein, to gather, to read). Psycholinguistics is psychology of language.
978-1-4457-3183-4
Teresa Pelka
With the processes of substance selection and exchange to concern the single cell as well as the entire complex structure such as the human being, a biological program may be exemplified by a DNA encoded pattern of active protein production. Importantly, even basic programs of cellular activity may be claimed to depend on feedback for their execution (Vander et al., 1985), feedback being defined here as returning of part of the output of a systemto be reintroduced as input (Webster’s Encyclopedic Unabridged Dictionary of the English Language, 1989).
Positive and negative feedback cycles may be further recognized, where the former, also being known as regenerative feedback, aids the input while the latter opposes it, hence the alternate term “inverse feedback”. Since basic programs of cellular activity tend to accrue into entire schemata to include learned behaviors, total and integrated patterns of human activity may be argued to depend on feedback for their formation, effectuation, and sustention.
Chapter one. Physiology of feedback
The notions of the processing system and the internal hierarchy as to be used in the present thesis are to denote the human nervous system. Positive and negative feedback cycles may be traced in this system already at the level of the single cell during its electric potential changes. Action potential generation within the perspective of the ionic hypothesis as developed by A. L. Hodgkin and A. F. Huxley exemplifies a positive feedback cycle in its depolarization phase(Vander et al., 1985). Alternately, the cellular active transport system to provide for relative intracellular stability would operate on negative feedback. Ascending the processing hierarchy, one finds groups of cells organized in units allocated particular tasks. The efficiency of their integrated effort is also reliant on feedback processes for their proper course.
