Absolute and relational control of a sequential auditory discrimination by pigeons (Columba livia)
by Murphy, Matthew, M.S., TUFTS UNIVERSITY, 2009, 65 pages; 1468259

Abstract:

Recent evidence indicates that pigeons can readily learn visual discriminations based on both absolute and relational stimulus factors. To examine how these two types of control function in their non-dominant auditory modality, we tested four pigeons in a go/no-go sequential auditory discrimination in which both absolute and relational cues were redundantly available. Across three experiments, we independently varied the relative discriminability of the absolute and relational components. The pigeons were consistently and primarily controlled by absolute factors in all of the experiments. A majority of the pigeons also demonstrated relational control when this component was made more salient. The more robust control exhibited by absolute factors is consistent with the comparative hypothesis that birds in general may have a well-developed aptitude for processing absolute pitch in many auditory settings. The relational control is consistent with our recent evidence of same/different auditory learning by pigeons.

 
AdviserRobert G. Cook
SchoolTUFTS UNIVERSITY
SourceMAI/ 48-01, p. , Oct 2009
Source TypeThesis
SubjectsBehavioral sciences; Experimental psychology; Cognitive psychology
Publication Number1468259
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