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Table of Contents
Vol. 82, No. 3, 2011
Issue release date: December 2011
Section title: Original Article
Folia Primatol 2011;82:165–176
(DOI:10.1159/000333142)

Brown (Eulemur fulvus) and Ring-Tailed Lemurs (Lemur catta) Use Human Head Orientation as a Cue to Gaze Direction in a Food Choice Task

Botting J.L. · Wiper M.L. · Anderson J.R.
Department of Psychology, University of Stirling, Stirling, UK

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Article / Publication Details

First-Page Preview
Abstract of Original Article

Received: April 21, 2011
Accepted: September 12, 2011
Published online: November 25, 2011
Issue release date: December 2011

Number of Print Pages: 12
Number of Figures: 6
Number of Tables: 0

ISSN: 0015-5713 (Print)
eISSN: 1421-9980 (Online)

For additional information: http://www.karger.com/FPR

Abstract

Whilst the ability to follow human gaze has been demonstrated in monkeys and apes, there is little evidence that prosimians share this ability. The current study used a food choice paradigm to assess whether captive brown (Eulemur fulvus) and ring-tailed lemurs (Lemur catta) use human gaze direction as a cue when choosing between an attending or non-attending human. Four experiments assessed the use of body, head and eye cues by the lemurs. In experiment 1, the non-attending human stood with her back to a food item; 3 of the 5 lemurs preferentially chose the attending human with an equivalent food item in view. In experiments 2 and 3, which used head angles of 90°, 4 out of 5 lemurs preferentially chose the attending human. In experiment 4, in which the humans differed only by whether their eyes were open or shut, no significant preferences were found. This study provides the first tentative evidence that lemurs are capable of discriminating human gaze direction and can use both body and head direction to do so.

© 2011 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Article

Received: April 21, 2011
Accepted: September 12, 2011
Published online: November 25, 2011
Issue release date: December 2011

Number of Print Pages: 12
Number of Figures: 6
Number of Tables: 0

ISSN: 0015-5713 (Print)
eISSN: 1421-9980 (Online)

For additional information: http://www.karger.com/FPR


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