PSYC 2650 Lecture Notes - Lecture 4: Lexical Decision Task, Semantic Similarity

• School: University of Guelph
• Department: Psychology
• Course: PSYC 2650
• Professor: Dan Meegan

Document Summary

Individual concepts represented as nodes in a memory network: these semantically-associated nodes are interconnected, e. g. Meth breaking bad walter white: the strength of interconnection between nodes represents the degree of semantic relatedness between the two concepts. Spreading activation: when one concept is activated it spreads to other concepts whose nodes have strong interconnections with the activated node. Asked if both strings are words y or n: related words were processed much quicker than unrelated words, when a non word was presented after a word it took a greater time to process.