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Hayashi Lab
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The lab studies blood flow and the autonomic nerves during exercise and eating.
AboutAbout the lab
Reading the responses of body and mind through blood flow.
The Hayashi Lab studies how the body responds to exercise, eating, and sensory stimulation, from the perspective of blood flow and the autonomic nerves.
It measures flow in hard-to-capture sites, such as blood flow at the back of the eye, in the brain, and in the face.
It investigates how the blood flow that supports vision is maintained during exercise and mental tasks.
It also covers changes in facial blood flow in response to taste and emotion, and the effect of thorough chewing on metabolism after a meal.
Key terms
- Autonomic nerves
- The nerve functions that regulate the heart, blood vessels, digestion, and more without conscious effort
- Ocular fundus blood flow
- Blood flowing around the retina at the back of the eye. It is involved in maintaining vision
- Exercise pressor reflex
- A response in which blood pressure rises when sensory signals from moving muscles arrive
NewsLab news
A paper showing that the exercise pressor reflex is preserved even in amyotrophic lateral sclerosis was featured
A paper from the lab was accepted by Frontiers in Physiology
A study on the effects of watching game play on blink rate and cerebral blood flow was published in the Transactions of the Society of Instrument and Control Engineers
A paper from the lab was accepted by the European Journal of Applied Physiology
ResearchResearch themes
The lab measures blood flow in various parts of the body to investigate the mechanisms behind responses to exercise, eating, and sensory stimulation. Its research is divided into three divisions: "Eye," "Sensory Nerves," and "Food."
*Illustrative imageOcular Fundus Blood Flow
The lab investigates how blood flow at the back of the eye is regulated during and after exercise and mental tasks, and checks whether this is linked to changes in vision.
*Illustrative imageVisual Stimulation and Cerebral Blood Flow
Opening the eyes or looking at a pattern increases blood flow in the posterior cerebral artery. The lab investigates whether this response is maintained during exercise and mental tasks.
*Illustrative imageRegulation by Sensory Nerves
The lab investigates how stimulation from sensory nerves regulates respiratory and circulatory responses, working to clarify the mechanism and put it to practical use.
*Illustrative imageTaste, Emotion, and Facial Blood Flow
The lab found that facial blood flow changes depending on how something is perceived, such as tasting good or bad. It is considering applications to communication with people for whom verbal exchange is difficult.
MembersFaculty
- ProfessorNaoyuki Hayashi
VoicesStudent voices
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Write a lab reviewAnonymous · Your draft is saved if you stopRelatedLabs similar to Hayashi Lab
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Heart near” BodyParts3D/Anatomography / CC BY-SA 2.1 jp (cropped)
- Ocular Fundus Blood Flow: “Fundus photograph Retina OS” Ktkvtsh / CC BY-SA 4.0 (cropped)
- Visual Stimulation and Cerebral Blood Flow: “Circle of Willis” Brianwaichow / CC BY 4.0 (cropped)
- Regulation by Sensory Nerves: “Red chili peppers drying on a footbridge” Basile Morin / CC BY-SA 4.0 (cropped)
- Taste, Emotion, and Facial Blood Flow: “Lemon - whole and split” Ivar Leidus / CC BY-SA 4.0 (cropped)
- Related lab (Nobuhiro Nakamura Lab): “Diseased Blood Vessel Model ( )” The U.S. Food and Drug Administration / Public domain (cropped)
- Related lab (Miyachi Lab): “Footprints on the snow road - 1” KKPCW / CC BY-SA 4.0 (cropped)
- Related lab (Maeda Lab): “Elastic artery seen in a histological section” Otávio Astor Vaz Costa / CC BY 4.0 (cropped)
- Related lab (Tsukamoto Lab): “Cerebrum - frontal lobe - anterior view” Anatomography / CC BY-SA 2.1 jp (cropped)
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