EXAM 2: Concepts and Categories Flashcards
Concepts
The mental representation of a category
Can be concrete (clear rules for category membership) or abstract (vague rules that don’t apply to all members)
Category
A set of things that are grouped together
Concepts: What is Instance/Exemplar
A member of a particular concept
Concepts: What is a feature?
Specific attribute that members share
What are the 3 levels of categorization?
Superordinate, Basic, Subordinate
What are some examples of superordinate levels of categorization?
Clothes, Furniture
What are some examples of Basic levels of categorizations
Coat, Chair
What are some subordinate levels of categorization
Pea coat, Folding chair
How do we form concepts?
(1) We encounter instances
(2) Get feedback (from person or environment)
(3) Store info in long-term memory (the info that is stored differs depending on the theory
Recognition by components: What is the structure of a concept?
Geons!
Recognition by components: Ho do we classify new instances?
Assess the spatial relationship of the geons, search memory for a match
Recognition by components: What info is stored in LTM?
The specific arrangement of the Geons
Recognition by components: Limitations
Works well for objects that can be defined by their shape, but fails with many other concepts
Classical View: What is the structure of this concept?
List of necessary and sufficient features
Classical View: How do we classify new instances?
See if instance matches the list for a specific concept