Yagi A (5) Akihiro Yagi
-
Imura T
,
Shirai N
,
Tomonaga M
,
Yamaguchi MK.
,
Yagi A
(2008)
Asymmetry on the perception of motion in depth by moving cast shadows.
Journal of Vision, 8, 1-8
-
Imura T
,
Tomonaga M
,
Yagi A
(2008)
The effects of linear perspective on relative size discrimination in chimpanzees (Pan troglodytes) and humans (Homo sapiens).
Behavioural Processes, 77, 306-312
-
Imura T
,
Tomonaga M
,
Yamaguchi MK.
,
Yagi A
(2008)
Asymmetry in the detection of shapes from shading in infants
Japanese Psychological Research, 50, 128-136
-
Imura T
,
Yamaguchi MK.
,
Kanazawa S
,
Shirai N
,
Otsuka Y
,
Tomonaga M
,
Yagi A
(2008)
Infants' sensitivity to shading and line junctions.
Vision Research, 48, 1420-1426
-
Imura T
,
Yamaguchi MK.
,
Kanazawa S
,
Shirai N
,
Otsuka Y
,
Tomonaga M
,
Yagi A
(2006)
Perception of motion trajectory of object from the moving cast shadow in infants
Vision Research, 46, 652-657
Yamada S (1) S Yamada
-
Sakai T
,
Hirata S
,
Fuwa K
,
Sugama K
,
Kusunoki K
,
Makishima H
,
Eguchi T
,
Yamada S
,
Ogihara N
,
Takeshita H
(2012)
Fetal brain development in chimpanzees versus humans
Current Biology, Volume 22, Issue 18, R791–R792
Yamaguchi MK. (9) Masami K. Yamaguchi
-
Shirai N
,
Imura T
,
Hattori Y
,
Adachi I
,
Ichihara S
,
Kanazawa S
,
Yamaguchi MK.
,
Tomonaga M
(2010)
Asymmetric perception of radial expansion/contraction in Japanese macaque (Macaca fuscata) infants
Experimental Brain Research, 202, 319-325
-
Nakato E
,
Otsuka Y
,
Konuma H
,
Kanazawa S
,
Yamaguchi MK.
,
Tomonaga M
(2009)
Perception of illusory shift of eye gaze direction by infants
Infant Behavior and Development, 32, 422-428
-
Imura T
,
Shirai N
,
Tomonaga M
,
Yamaguchi MK.
,
Yagi A
(2008)
Asymmetry on the perception of motion in depth by moving cast shadows.
Journal of Vision, 8, 1-8
-
Imura T
,
Tomonaga M
,
Yamaguchi MK.
,
Yagi A
(2008)
Asymmetry in the detection of shapes from shading in infants
Japanese Psychological Research, 50, 128-136
-
Imura T
,
Yamaguchi MK.
,
Kanazawa S
,
Shirai N
,
Otsuka Y
,
Tomonaga M
,
Yagi A
(2008)
Infants' sensitivity to shading and line junctions.
Vision Research, 48, 1420-1426
-
Imura T
,
Yamaguchi MK.
,
Kanazawa S
,
Shirai N
,
Otsuka Y
,
Tomonaga M
,
Yagi A
(2006)
Perception of motion trajectory of object from the moving cast shadow in infants
Vision Research, 46, 652-657
-
Myowa-Yamakoshi M
,
Yamaguchi MK.
,
Tomonaga M
,
Tanaka M
,
Matsuzawa T
(2005)
Development of face recognition in infant chimpanzees (Pan troglodytes)
Cognitive Development , 20, 49-63
-
Murai C
,
Tomonaga M
,
Kamegai K
,
Terazawa N
,
Yamaguchi MK.
(2004)
Do infant Japanese macaques (Macaca fuscata) categorize objects without specific training?
Primates, 45:1-6
-
Tomonaga M
,
Tanaka M
,
Matsuzawa T
,
Myowa-Yamakoshi M
,
Kosugi D
,
Mizuno Y
,
Okamoto S
,
Yamaguchi MK.
,
Bard KA.
(2004)
Development of social cognition in infant chimpanzees (Pan troglodytes): Face recognition, smiling, gaze, and the lack of triadic interactions
Japanese Psychological Research, Volume 46, Issue 3, pages 227-235
Yamakoshi G (8) Gen Yamakoshi
-
Carvalho S
,
Yamanashi Y
,
Yamakoshi G
,
Matsuzawa T
(2010)
Bird in the hand: Bossou chimpanzees (Pan troglodytes) capture West African wood-owls (Ciccaba woodfordi) but not to eat
Pan Africa News, 17(1), 6-9
-
Hockings KJ.
,
Yamakoshi G
,
Kabasawa A
,
Matsuzawa T
(2010)
Attacks on local persons by chimpanzees in Bossou, Republic of Guinea: long-term perspectives
American Journal of Primatology, 72:887-896
-
Yamamoto S
,
Yamakoshi G
,
Humle T
,
Matsuzawa T
(2008)
Invention and modification of a new tool use behavior: Ant-fishing in trees by a wild chimpanzee (Pan troglodytes verus) at Bossou, Guinea.
American Journal of Primatology, 70, 699-702.
-
Biro D
,
Inoue-Nakamura N
,
Tonooka R
,
Yamakoshi G
,
Sousa C
,
Matsuzawa T
(2004)
Cultural innovation and transmission of tool use in wild chimpanzees: evidence from field experiments
Animal Cognition, Volume 6, Number 4, 213-223
-
Humle T
,
Matsuzawa T
,
Yamakoshi G
(2004)
Chimpanzee conservation and environmental education in Bossou and Nimba, Guinea, West Africa.
Folia Primatologica, 75(S1):280-281
-
Yamakoshi G
(2004)
Food Seasonality and Socioecology in Pan: Are West African Chimpanzees Another Bonobo?
African Study Monographs, 25, 45-60
-
Yamakoshi G
,
Myowa-Yamakoshi M
(2004)
New observations of ant-dipping techniques in wild chimpanzees at Bossou, Guinea.
Primates, Volume 45, Number 1, 25-32
-
Hirata S
,
Yamakoshi G
,
Fujita S
,
Ohashi G
,
Matsuzawa T
(2001)
Capturing and Toying with Hyraxes (Dendrohyrax dorsalis) by Wild Chimpanzees (Pan troglodytes) at Bossou, Guinea
American Journal of Primatology, 53, 93-97
Yamamoto J (1) Jun'ichi Yamamoto
-
Tomonaga M, Matsuzawa T, Fujita K, Yamamoto J, (1991)
Emergence of symmetry in a visual conditional discrimination by chimpanzees (Pan troglodytes).
Psychological Reports, 68, 51-60
Yamamoto S (11) Shinya Yamamoto
-
Yamamoto S
,
Humle T
,
Tanaka M
(2013)
Basis for cumulative cultural evolution in chimpanzees: social learning of a more efficient tool-use technique.
PLoS ONE, 8(1): e55768
-
Yamamoto S
,
Humle T
,
Tanaka M
(2012)
Chimpanzees' flexible targeted helping based on an understanding of conspecifics' goals
Proceedings of the National Academy of Sciences, Published online before print February 6, 2012
-
Yamamoto S
,
Takimoto A
(2012)
Empathy and Fairness: Psychological Mechanisms for Eliciting and Maintaining Prosociality and Cooperation in Primates
Social Justice Research, 25(3), 233-255
-
Hirata S
,
Yamamoto S
,
Takemoto H
,
Matsuzawa T
(2010)
A Case Report of Meat and Fruit Sharing in a Pair of Wild Bonobos
Pan Africa News, 17(2), December 2010 21-23
-
Yamamoto S
,
Tanaka M
(2010)
The influence of kin relationship and reciprocal context on chimpanzees' other-regarding preferences.
Animal Behaviour, Volume 79, Issue 3, Pages 595-602
-
Tanaka M
,
Yamamoto S
(2009)
Token transfer between mother and offspring chimpanzees (Pan troglodytes): mother–offspring interaction in a competitive situation
Animal Cognition, Volume 12, Supplement 1, 19–26
-
Yamamoto S
,
Humle T
,
Tanaka M
(2009)
Chimpanzees help each other upon request
PLoS ONE, 4 (10): e7416
-
Yamamoto S
,
Tanaka M
(2009)
Do chimpanzees (Pan troglodytes) spontaneously take turns in a reciprocal cooperation task?
Journal of Comparative Psychology, Vol 123(3) 242-249
-
Yamamoto S
,
Tanaka M
(2009)
How did altruism and reciprocity evolve in humans? Perspectives from experiments on chimpanzees (Pan troglodytes)
Interaction Studies, 10 (2), 150-182
-
Yamamoto S
,
Tanaka M
(2009)
Selfish strategies develop in social problem situations in chimpanzee (Pan troglodytes) mother-infant pairs
Animal Cognition, 12, S27-S36
-
Yamamoto S
,
Yamakoshi G
,
Humle T
,
Matsuzawa T
(2008)
Invention and modification of a new tool use behavior: Ant-fishing in trees by a wild chimpanzee (Pan troglodytes verus) at Bossou, Guinea.
American Journal of Primatology, 70, 699-702.
Yamanashi Y (4) Yumi Yamanashi
-
Kano F
,
Yamanashi Y
,
Tomonaga M
(2012)
Emotion as an intervening variable in understanding the cognitive and social complexity and well-being of chimpanzees.
Psychologia, Vol. 55, No.1, 9-20
-
Yamanashi Y
,
Hayashi M
(2011)
Assessing the effects of cognitive experiments on the welfare of captive chimpanzees (Pan troglodytes) by direct comparison of activity budget between wild and captive chimpanzees
American Journal of Primatology, 73, 1231-1238
-
Carvalho S
,
Yamanashi Y
,
Yamakoshi G
,
Matsuzawa T
(2010)
Bird in the hand: Bossou chimpanzees (Pan troglodytes) capture West African wood-owls (Ciccaba woodfordi) but not to eat
Pan Africa News, 17(1), 6-9
-
Yamanashi Y
,
Matsuzawa T
(2010)
Emotional consequences when chimpanzees (Pan troglodytes) face challenges: individual differences in self-directed behaviours during cognitive tasks
Animal Welfare, 19, 25-30
Yamauchi S (2) Shino Yamauchi
-
Uenishi G
,
Fujita S
,
Ohashi G
,
Kato A
,
Yamauchi S
,
Matsuzawa T
,
Ushida K
(2007)
Molecular analyses of the intestinal microbiota of chimpanzees in the wild and in captivity.
American journal of Primatology, 69: 367-376
-
Uenishi G
,
Fujita S
,
Ohashi G
,
Kato A
,
Yamauchi S
,
Matsuzawa T
,
Ushida K
(2007)
Molecular analysis of the intestinal microbiota of chimpanzees in the wild and in captivity.
American journal of Primatology, 69: 1-10
Yoshida T (1) Tomoyuki Yoshida
-
Kooriyama T
,
Okamoto M
,
Yoshida T
,
Nishida T
,
Tsubota T
,
Saito A
,
Tomonaga M
,
Matsuzawa T
,
Akari H
,
Nishimura H
,
Miyabe-Nishiwaki T
(2012)
Epidemiological study of zoonoses derived from humans in captive Chimpanzees
Primates, Volume 54, Issue 1, pp 89-98
Zamma K (1) Koichiro Zamma