PSY100H1 Lecture Notes - Lecture 14: Knowledge Representation And Reasoning, Cognitive Reserve, Mental Representation
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PSY100H1 Full Course Notes
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Document Summary
View from a century ago was negative would hurt intelligence. Past 50 years accumulated evidence to the contrary. May contribute to cognitive reserve (delayed onset of dementia) Representation: anything that stands in for, or corresponds to, something else. Eg. map = representation of city streets. Mental representation: hypothetical internal cognitive symbol representing external reality. We form mental images of many objects. Allow us to answer questions about objects not in our presence. Use symbolic representations (words) to represent most of our knowledge. Categorization: process of grouping things based on shared information. Concept: mental representation that groups objects, events, or relations around common themes. Classical categorization: objects are categorized according to a certain set of rules or specific set of features. Membership within a category determined on an all-or-none basis. E. g. triangle is a figure having three angles and three sides; a bird lays eggs, has wings, and can fly. Often make exceptions to our rules (e. g. penguins fuzzy boundaries)
