The Magic Loom: Weaving Body and Mind in Narrative Therapy Conversations with Survivors of Early Trauma, McClelland Heather

Автор: Rogers, Timothy T. Mcclelland, James L.
Название: Semantic cognition
ISBN: 0262681579 ISBN-13(EAN): 9780262681575
Издательство: Random House (USA)
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Цена: 6207.00 р.
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Описание:

This groundbreaking monograph offers a mechanistic theory of the representation and use of semantic knowledge, integrating the strengths and overcoming many of the weaknesses of hierarchical, categorization-based approaches, similarity-based approaches, and the approach often called "theory theory." Building on earlier models by Geoffrey Hinton in the 1980s and David Rumelhart in the early 1990s, the authors propose that performance in semantic tasks arises through the propagation of graded signals in a system of interconnected processing units. The representations used in performing these tasks are patterns of activation across units, governed by weighted connections among them. Semantic knowledge is acquired through the gradual adjustment of the strengths of these connections in the course of day-to-day experience.

The authors show how a simple computational model proposed by Rumelhart exhibits a progressive differentiation of conceptual knowledge, paralleling aspects of cognitive development seen in the work of Frank Keil and Jean Mandler. The authors extend the model to address aspects of conceptual knowledge acquisition in infancy, disintegration of conceptual knowledge in dementia, "basic-level" effects and their interaction with expertise, and many findings introduced to support the idea that semantic cognition is guided by naive, domain-specific theories.

Автор: McClelland Mac (O H. ).
Название: Ransom Gold
ISBN: 098838129X ISBN-13(EAN): 9780988381292
Издательство: Неизвестно
Цена: 2585.00 р.
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Автор: McClelland Mac (O H. ).
Название: Mac Flying Higher: Memoirs of Mac (O.H.) McClelland
ISBN: 0692284427 ISBN-13(EAN): 9780692284421
Издательство: Неизвестно
Цена: 2233.00 р.
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Описание: "Mac, Flying Higher" is not a story of my life. That would be way dull; rather, it is a "collection of recollections" of various "happenings" in my life. I didn't achieve any extraordinary goals during my lifetime, but I was fortunate, in that I had a very wide assortment of "careers", all of which provided me with much enjoyment and some disappointment. I have been a cowboy, a farmer, a Marine Drill Instructor, a Marine Attack Pilot, a Marine Jet Fighter Pilot, a Marine- Helicopter Pilot, a real estate salesman, broker, building contractor, developer and spec builder. Each occupation has in some way contributed to my education and mental attitude. Some were not sufficiently exciting or amusing to rate space in this manuscript so were not included. (You should thank me for that ) Anything that I learned from my various escapades probably arrived too late to be of any value to me, but if any wisdom seeps down to you, the reader, or some amusement is derived from these writings, my time and effort will all have been worthwhile.