PSYC 325 Chapter : psyc 325 - ch 5 definition -semantic and lexical memory

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 325
• Professor: Mario Liotti

Document Summary

Language need large representational system and extremely efficient retrieval system. Retrieve particular words from huge supply from moment"s notice, each time speak and write. Children start life knowing no words = encoding of words to lexical memory = great interest since children acquire vocabulary at astonishing rates. As activation spreads to multiple nodes, it fades, and can no longer see. Our memory is a web of interconnected ides and facts. Posit retrieval takes place when one node is activated based on input from a cue = once node activated = activation will spread to existing associated nodes spreading activation . Activation weakens as it spreads from node to node thus it can stop when too weak. Sentence verification task (manner which spreading activation of association networks experimented) cognitive task in which subjects judge if string of letters is a word as quickly as they can ex.