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Cognitiveclass

Final Exam

QuestionAnswer
back propagation process where learning occur in a connectionist network, an error signal is transmitted backward thru the network. backward-transmitted error signal provides info needed to adjust weights in the network to achieve the correct output signal for a stimulus
basic level Rosch's categorization scheme, level below global (superordniate) level ("table" for superordinate "furniture"). basic level is psychologically special b/c it is level above which much info is lost and below which little is gained
categorization process by which objects are placedin categories
category groups of objects that belong together b/c they belong to the same class of objects ("houses", "furniture" or "schools")
category-specific knowledge impairment result of brain damage in which the patient has trouble recognizing objects in a specific category
cognitive economy feature of some semantic network models which properties of category are shared by many membersof category are stored at higher level node in network. ("can fly" stored at node for "bird" rather than "canary")
concept
connection weight
connectionism
connectionist network
definitional approach to categorization
error signal
exemplar
exemplar approach to categorization
familiarization/novelty preference procedure
family resemblance
global (superordinate) level
graceful degradation
hidden units
hierarchical model
hierarchical organization
high prototypicality
input units
lexical decision task
low prototypicality
output units
parallel distributed processing (PDP)
prototype
prototype approach to categorization
prototypicality
semantic netowrk approach
sentence verification technique
specific (subordinate) level
spreading activation
typicality effect
units
Created by: ironchiet