I am a philosopher of mind with interests in applied ethics.
I am a member of the department of liberal arts, faculty of medicine at Saitama Medical University, Saitama, Japan.
An organizer of Saitama Colloquium of Cognitive Philosophy
Manuscripts (selected)
Hayashi Y. On unconscious pain. in preparation
Hayashi Y. and Sato, R. On neural organoids. in preparation
Japanese manuscripts (selected)
Hayashi Y. On Blade Runner. in preparation
Hayashi Y. On medical education. under review (Japanese)
Hayashi et al. On medical education. revise and resubmit (Japanese)
Last updated: 2026-2-4
Hayashi Y. On medical education. (Japanese) forthcoming
Yoneoka et al. On medical education. (Japanese) forthcoming
Hayashi, Y., Sato, R. The Unity of Consciousness and the Practical Ethics of Neural Organoid Research. Neuroethics 18(3), 2025.
Niikawa T, Hayashi Y, Sawai T “A Teleological Approach to the Ontological Status of Human Cerebral Organoids” AJOB Neuroscience, 14(2): 204-206, 2023.
Niikawa T, Hayashi Y, Shepherd J, Sawai T “Human Brain Organoids and Consciousness” Neuroethics, 15(1), 2022.
Sawai T, Hayashi Y, Niikawa T, Shepherd J, Thomas E, Lee TL, Erler A, Watanabe M, Sakaguchi H “Mapping the Ethical Issues of Brain Organoid Research and Application” AJOB Neuroscience, 13(2):81-94, 2022.
Hayashi, Y. “Split-brain Consciousness and the Phase Transition View” Tetsugaku-Kagakushi Ronso 16:101-125, 2014.
Hayashi Y, Oida Y, Murakoshi T “The Problems of Brain Organoids: A Report (Japanese)” Saitama Ika Daigaku Zasshi, 49(2): 53-61, 2023.
Hayashi, Y. “On the Significance of Phenomenal Consciousness” The Proceedings of the 6th BESETO Conference of Philosophy 193-199, 2012.
Hayashi, Y. “Split-brain and Personal Identity (Japanese)” Kagakushi-Kagakutetsugaku 23: 107-119, 2010.
Wordmap: Philosophy of Mind (Japanese)
Critical Thinking, in preparation (Japanese)
Jakob Hohwy The Predictive Mind (with others)
3/2024
Unconscious Pain: A Tentative Framework for Discussion, Philosophy of Medicine: Approaches and Perspectives, Bulgarian Academy of Sciences, Great Hall, Sofia, Bulgaria. (Online Participation) (Invited)
11/2023
Two Models of Consciousness and Practical Ethics of Neural Organoid Research [with Ryoji Sato], Tokyo Forum of Analytic Philosophy, University of Tokyo, Tokyo, Japan. (Invited)
9/2023
Moral Enhancement through Indirect Modulation of Emotion [in Japanese], Workshop on Moral Enhancement, Kyoto University, Kyoto, Japan.
8/2023
Moral Enhancement through Indirect Modulation of Emotion, Closed Workshop at National Singapore University, Singapore (Online participation).
A Critical Assessment of the Methodology in Ethics of Consciousness, Closed Workshop at National Singapore University, Singapore (Online participation).
7/2023
A Report on the Practice of Japanese Literacy Education (Reading Comprehension) in a Medical School [Poster Presentation with colleagues, in Japanese] Igaku Kyoiku Gakkai, Nagasaki, Japan.12/2022
Mostly for the first year medical students.
Japanese Literacy (Reading Comprehension)
Neurophilosophy: An introduction
Neuroethics/Bioethics
Medical English (Reading)
Medical English (Academic Writing)
Clinical Reasoning
Hospital Tour
Communication with Elderly People
Presentation
I also teach junior-college nurse students and grad students.
yhaya[at]saitama-med.ac.jp