Inoue S, Yamamoto S, Ringhofer M, Mendonça RS. , Pereira C, Hirata S (2018) 
Spatial positioning of individuals in a group of feral horses: a case study using drone technology

Mammal Research

Ito H, Udono T, Hirata S, Inoue-Murayama M (2018) 
Estimation of chimpanzee age based on DNA methylation

Scientific Reports, 8:9998

Wilson VAD , Weiss A, Humle T, Morimura N, Udono T, Idani G, Matsuzawa T, Hirata S, Inoue-Murayama M (2017) 
Chimpanzee Personality and the Arginine Vasopressin Receptor 1A Genotype

Behavior Genetics, Volume 47, Issue 2, pp 215-226

Fujisawa M, Udono T, Nogami E, Hirosawa M, Morimura N, Saito A, Seres M, Teramoto M, Nagano K, Mori Y, Uesaka H, Nasu K, Tomonaga M, Idani G, Hirata S, Tsuruyama T, Matsubayashi K (2014) 
A case of maxillary sarcoma in a chimpanzee (Pan troglodytes)

Journal of Medical Primatology, Volume 43, Issue 2, pages 111-114

Fukushima​ H, Hirata S, Matsuda G, Ueno A, Fuwa K, Sugama K, Kusunoki K, Hiraki K, Tomonaga M, Hasegawa T (2013) 
Neural representation of face familiarity in an awake chimpanzee

PeerJ, e223

Hirata S, Matsuda G, Ueno A, Fukushima H, Fuwa K, Sugama K, Kusunoki K, Tomonaga M, Hiraki K, Hasegawa T (2013) 
Brain response to affective pictures in the chimpanzee

Scientific Reports, 3, 1342

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

Ueno A, Hirata S, Fuwa K, Sugama K, Kusunoki K, Matsuda G, Fukushima H, Hiraki K, Tomonaga M, Hasegawa T (2010) 
Brain activity in an awake chimpanzee in response to the sound of her own name

Biology Letters, 6, 311-313

Weiss A, Inoue-Murayama M, Hong K, Inoue E, Udono T, Ochiai T, Matsuzawa T, Hirata S, King JE.  (2009) 
Assessing chimpanzee personality and subjective well-being in Japan.

American Journal of Primatology, 71, 283-292

Ueno A, Hirata S, Fuwa K, Sugama K, Kusunoki K, Matsuda G, Fukushima H, Hiraki K, Tomonaga M, Hasegawa T (2008) 
Auditory ERPs to Stimulus Deviance in an Awake Chimpanzee (Pan troglodytes): Towards Hominid Cognitive Neurosciences

PLoS ONE, 3(1): e1442