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    Sample stimulus control shaping and restricted stimulus control in capuchin monkeys: a methodological note

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    Authors
    Brino, Ana Leda F.
    Barros, Romariz da Silva
    Galvao, Olavo F.
    Garotti, M.
    da Cruz, Ilara R. N.
    Santos, Jose R.
    Dube, William V.
    McIlvane, William J.
    UMass Chan Affiliations
    Intellectual and Developmental Disabilities Research Center
    Shriver Center
    Document Type
    Journal Article
    Publication Date
    2011-05-07
    Keywords
    Learning
    Cebus
    Experimental Analysis of Behavior
    Mental and Social Health
    Neuroscience and Neurobiology
    Psychiatry and Psychology
    
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    Link to Full Text
    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3088078/
    Abstract
    This paper reports use of sample stimulus control shaping procedures to teach arbitrary matching-to-sample to 2 capuchin monkeys (Cebus apella). The procedures started with identity matching-to-sample. During shaping, stimulus features of the sample were altered gradually, rendering samples and comparisons increasingly physically dissimilar. The objective was to transform identity matching into arbitrary matching (i.e., matching not based on common physical features of the sample and comparison stimuli). Experiment 1 used a two-comparison procedure. The shaping procedure was ultimately effective, but occasional high error rates at certain program steps inspired a follow-up study. Experiment 2 used the same basic approach, but with a three-comparison matching task. During shaping, the monkey performed accurately until the final steps of the program. Subsequent experimentation tested the hypothesis that the decrease in accuracy was due to restricted stimulus control by sample stimulus features that had not yet been changed in the shaping program. Results were consistent with this hypothesis, thus suggesting a new approach that may transform the sample stimulus control shaping procedure from a sometimes useful laboratory tool to a more general approach to teaching the first instance of arbitrary matching performances to participants who show protracted difficulties in learning such performances.
    Source
    Brino AL, Barros RS, Galvão OF, Garotti M, da Cruz IR, Santos JR, Dube WV, McIlvane WJ. Sample stimulus control shaping and restricted stimulus control in capuchin monkeys: a methodological note. J Exp Anal Behav. 2011 May;95(3):387-98. doi: 10.1901/jeab.2011.95-387. PubMed PMID: 21547073; PubMed Central PMCID: PMC3088078. Link to article on publisher's site
    DOI
    10.1901/jeab.2011.95-387
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/48929
    PubMed ID
    21547073
    Related Resources
    Link to Article in PubMed
    ae974a485f413a2113503eed53cd6c53
    10.1901/jeab.2011.95-387
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