| Sequential planning in rhesus monkeys (Macaca mulatta). | |
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MedLine Citation:
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PMID: 21184125 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In the current study, we examined the planning abilities of rhesus monkeys (Macaca mulatta) by training them on a five-item list composed of coloured photographs and then testing them on switch and mask trials. In contrast to previous studies where monkeys made responses using a joystick, in the current study, monkeys made responses directly to a touch screen. On switch trials, after a response to the first list item, the on-screen positions of two list items were exchanged. Performance on trials in which the second and third list items were exchanged was poorer compared to normal (non-switch) trials for all subjects. When the third and fourth items were exchanged, however, only one subject continued to show performance deficits. On mask trials, following a response to the first item, the remaining items were covered by opaque white squares. When two items were masked, all four subjects responded to each masked item at a level significantly above chance. When three items were masked, however, only one subjected was able to respond to all three masked items at a level significantly above chance. The results of the present study indicate that three of our four monkeys planned one response ahead while a single monkey planned two responses ahead. The significance of these findings is discussed in relation to previous studies on planning in chimpanzees and monkeys. |
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Authors:
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Damian Scarf; Erin Danly; Gin Morgan; Michael Colombo; Herbert S Terrace |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-12-24 |
Journal Detail:
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Title: Animal cognition Volume: - ISSN: 1435-9456 ISO Abbreviation: - Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-12-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9814573 Medline TA: Anim Cogn Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Psychology, University of Otago, PO Box 56, Dunedin, New Zealand, scada298@student.otago.ac.nz. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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