Hayashi M, Kawakami F, Roslan R, Hapiszudin NM , Dharmalingam S (2018) 
Behavioral studies and veterinary management of orangutans at Bukit Merah Orang Utan Island, Perak, Malaysia
マレーシア・ペラ州・ブキッメラ・オランウータン島におけるオランウータンの行動研究と獣医学的飼育管理

Primates, 59(2): 135-144

Hayashi M, Matsuzawa T (2017) 
Mother-infant interactions in captive and wild chimpanzees
飼育下と野生のチンパンジーにおける母子関係

Infant Behavior and Development, Volume 48, Part A, Pages 20-29

Mendonça RS. , Kanamori T, Kuze N, Hayashi M, Bernard H, Matsuzawa T (2017) 
Development and behavior of wild infant-juvenile East Bornean orangutans (Pongo pygmaeus morio) in Danum Valley

Primates, Volume 58, Issue 1, pp 211-224

Tsutaya T, Fujimori Y, Hayashi M, Yoneda M, Miyabe‐Nishiwaki T (2017) 
Carbon and nitrogen stable isotopic offsets between diet and hair/feces in captive chimpanzees

Rapid Communications in Mass Spectrometry, 59-67

Mendonça RS. , Takeshita RSC. , Kanamori T, Kuze N, Hayashi M, Kinoshita K, Bernard H, Matsuzawa T (2016) 
Behavioral and physiological changes in a juvenile Bornean orangutan after a wildlife rescue

Global Ecology and Conservation, 8:116-122

Nishimura T, Mori F, Hanida S, Kumahata K, Ishikawa S, Samarat K, Miyabe-Nishiwaki T, Hayashi M, Tomonaga M, Suzuki J, Matsuzawa T, Matsuzawa T (2016) 
Impaired Air Conditioning within the Nasal Cavity in Flat-Faced Homo

PLoS Computational Biology, 12(3): e1004807

Sakuraba Y, Tomonaga M, Hayashi M (2016) 
A new method of walking rehabilitation using cognitive tasks in an adult chimpanzee (Pan troglodytes) with a disability: a case study.

Primates, Volume 57, Issue 3, pp 403-412

Toda K, Ryu H, Hayashi M, Furuichi T (2016) 
An infant bonobo mimicked a handicapped motor action of a disabled individual at Wamba in the Luo Scientific Reserve, Democratic Republic of Congo.

Pan Africa News, 23: 3-5

Yamanashi Y, Teramoto M, Morimura N, Hirata S, Suzuki J, Hayashi M, Kinoshita K, Murayama M, Idani G (2016) 
Analysis of hair cortisol levels in captive chimpanzees: Effect of various methods on cortisol stability and variability
チンパンジーの体毛中コルチゾル測定に影響を与える要因について

MethodsX, Volume 3, Pages 110-117

Hayashi M (2015) 
Perspectives on object manipulation and action grammar for percussive actions in primates

Philosophical Transactions of the Royal Society B, 370(1682): 20140350

Okamoto M, Imai S, Miyanohara M, Saito W, Momoi Y, Nomura Y, Ikawa T, Ogawa T, Miyabe-Nishiwaki T, Kaneko A, Watanabe A, Watanabe S, Hayashi M, Tomonaga M, Hanada N (2015) 
Streptococcus panodentis sp. nov., from the oral cavities of chimpanzees

Microbiology and Immunology, 59: 526–532

Saito A, Hayashi M, Takeshita H, Matsuzawa T (2014) 
The Origin of Representational Drawing: A Comparison of Human Children and Chimpanzees
人間の描画の起源をチンパンジーとの比較研究から解明

Child Development, Volume 85, Number 6, Pages 2232-2246

Hayashi M, Sakuraba Y, Watanabe S, Kaneko A, Matsuzawa T (2013) 
Behavioral recovery from tetraparesis in a captive chimpanzee
飼育下チンパンジーの四肢麻痺からの行動回復

Primates, Volume 54, Issue 3, pp 237-243

Miyabe-Nishiwaki T, Kaneko T, Sakai T, Kaneko A, Watanabe A, Watanabe S, Maeda N, Kumazaki K, Suzuki J, Fujiwara R, Makishima H, Nishimura T, Hayashi M, Tomonaga M, Matsuzawa T, Mikami A (2013) 
Intracranial arachnoid cysts in a chimpanzee (Pan troglodytes)
チンパンジーにおけるクモ膜のう胞の一例

Primates, Volume 55, Issue 1, pp 7-12

Yamanashi Y, Morimura N, Mori Y, Hayashi M, Suzuki J (2013) 
Cortisol analysis of hair of captive chimpanzees (Pan troglodytes)
飼育チンパンジーの体毛中コルチゾル測定：長期的なストレスの評価指標として

General and Comparative Endocrinology, 194. 55-63

Hayashi M, Ohashi G, Ryu HJin  (2012) 
Responses toward a trapped animal by wild bonobos at Wamba

Animal Cognition, Volume 15, Number 4, 731–735

Okamoto M, Imai S, Miyanohara M, Saito W, Momoi Y, Abo T, Nomura Y, Ikawa T, Ogawa T, Miyabe-Nishiwaki T, Kaneko A, Watanabe A, Watanabe S, Hayashi M, Tomonaga M, Hanada N (2012) 
Streptococcus troglodytae sp. nov., from the Chimpanzee Oral Cavity

International Journal of Systematic and Evolutionary Microbiology, 63: 418-422

Saito A, Hayashi M, Ueno A, Takeshita H (2011) 
Orientation-indifferent representation in children's drawings

Japanese Psychological Research, Volume 53, Number 4, 1 November 2011 , pp. 379-390(12)

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

Biro D, Humle T, Koops K, Sousa C, Hayashi M, Matsuzawa T (2010) 
Chimpanzee mothers at Bossou, Guinea carry the mummified remains of their dead infants.
野生チンパンジーとその子どもの死についての事例報告

Current Biology, Volume 20, Issue 8, R351-R352

Miyabe-Nishiwaki T, Kaneko A, Nishiwaki K, Watanabe A, Watanabe S, Maeda N, Kumazaki K, Morimoto M, Hirokawa R, Suzuki J, Ito Y, Hayashi M, Tanaka M, Tomonaga M, Matsuzawa T (2010) 
Tetraparesis resembling acute transverse myelitis in a captive chimpanzee (Pan troglodytes): long-term care and recovery
飼育下チンパンジーにおける横断性脊髄炎に類似した四肢不全麻痺:長期療養と回復

Journal of Medical Primatology, 39, 336-346.

Crast J, Fragaszy D, Hayashi M, Matsuzawa T (2009) 
Dynamic in-hand movements in adult and young juvenile chimpanzees (Pan troglodytes).

American Journal of Physical Anthropology, Volume 138, Issue 3, pages 274-285

Hayashi M, Takeshita H (2009) 
Stacking of irregularly shaped blocks in chimpanzees (Pan troglodytes) and young humans (Homo sapiens).

Animal Cognition, 12, S49-S58.

Hayashi M, Sekine S, Tanaka M, Takeshita H (2009) 
Copying a model stack of colored blocks by chimpanzees and humans.

Interaction Studies, 10, 130-149.

Poti P, Hayashi M, Matsuzawa T (2009) 
Spatial construction skills of chimpanzees (Pan troglodytes) and young human children (Homo sapiens sapiens).

Developmental Science, Volume 12, Issue 4, 536-548

Hayashi M (2007) 
A new notation system of object manipulation in the nesting-cup task for chimpanzees and humans.

Cortex, 43, 308-318.

Hayashi M (2007) 
Stacking blocks by chimpanzees: developmental processes and physical understanding.

Animal Cognition, 10, 89-103.

Hayashi M, Mizuno Y, Matsuzawa T (2005) 
How does stone-tool use emerge? Introduction of stones and nuts to naive chimpanzees in captivity.

Primates, 46(2): 91-102.

Hayashi M, Matsuzawa T (2003) 
Cognitive development in object manipulation by infant chimpanzees.

Animal Cognition, 6: 225-233