Alexandria Digital Research Library

Effects of stimulus presentation frequency on rule based human category learning of 6 dimensional binary valued stimuli

Author:
Musgrave, Robert David
Degree Grantor:
University of California, Santa Barbara. Psychology
Degree Supervisor:
F. G. Ashby
Place of Publication:
[Santa Barbara, Calif.]
Publisher:
University of California, Santa Barbara
Creation Date:
2013
Issued Date:
2013
Topics:
Psychology, General and Psychology, Cognitive
Keywords:
Learning
Rule
Category
Based
Frequency
Genres:
Dissertations, Academic and Online resources
Dissertation:
M.A.--University of California, Santa Barbara, 2013
Description:

An increase in accuracy prior to rule acquisition in a rule based category learning task of six dimensional binary valued stimuli has been consistently observed. To probe whether this increase was a consequence of procedural learning mediated by the striatum, stimuli were divided in to three frequency groups such that subjects responded to some stimuli much more frequently than others. The lack of significant differences in accuracy increases prior to rule acquisition for stimuli with higher numbers of presentations suggests that the relative frequency of stimulus presentation is not relevant to this effect and therefore it is unlikely that this increase is a consequence of procedural learning mediated through the basal ganglia. Subjects demonstrate the same accuracy increase regardless of the number of repetitions of an individual stimulus, and a clear explanation for this effect has yet to come to light. Further possibilities will be explored through future experiments.

Physical Description:
1 online resource (17 pages)
Format:
Text
Collection(s):
UCSB electronic theses and dissertations
ARK:
ark:/48907/f3d50k3m
ISBN:
9781303731471
Catalog System Number:
990041153120203776
Rights:
Inc.icon only.dark In Copyright
Copyright Holder:
Robert Musgrave
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