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J Comp Psychol. 2007 Nov;121(4):363-71.

A comparative analysis of serial ordering in ring-tailed lemurs (Lemur catta).

Author information

1
Center for Cognitive Neuroscience, Duke University, Durham, North Carolina 27708-0999, USA.

Abstract

Research over the last 25 years has demonstrated that animals are able to organize sequences in memory and retrieve ordered sequences without language. Qualitative differences have been found between the serial organization of behavior in pigeons and monkeys. Here the authors test serial ordering abilities in ring-tailed lemurs, a strepsirrhine primate whose ancestral lineage diverged from that of monkeys, apes, and humans approximately 63 million years ago. Lemurs' accuracy and response times were similar to monkeys, thus suggesting that they may share mechanisms for serial organization that dates to a common primate ancestor.

PMID:
18085919
PMCID:
PMC2953466
DOI:
10.1037/0735-7036.121.4.363
[Indexed for MEDLINE]
Free PMC Article
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