Sunday, January 29, 2023
SCIENMAG: Latest Science and Health News
No Result
View All Result
  • Login
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US
No Result
View All Result
Scienmag - Latest science news from science magazine
No Result
View All Result
Home SCIENCE NEWS Technology and Engineering

Can the brain feel it? The world’s smallest extracellular needle-electrodes

October 25, 2016
in Technology and Engineering
0
Share on FacebookShare on Twitter
IMAGE

Credit: COPYRIGHT (C) TOYOHASHI UNIVERSITY OF TECHNOLOGY. ALL RIGHTS RESERVED.

A research team in the Department of Electrical and Electronic Information Engineering and the Electronics-Inspired Interdisciplinary Research Institute (EIIRIS) at Toyohashi University of Technology developed 5-μm-diameter needle-electrodes on 1 mm × 1 mm block modules. This tiny needle may help solve the mysteries of the brain and facilitate the development of a brain-machine interface. The research results were reported in Scientific Reports on Oct 25, 2016.

The neuron networks in the human brain are extremely complex. Microfabricated silicon needle-electrode devices were expected to be an innovation that would be able to record and analyze the electrical activities of the microscale neuronal circuits in the brain.

However, smaller needle technologies (e.g., needle diameter

A research team in the Department of Electrical and Electronic Information Engineering and the EIIRIS at Toyohashi University of Technology developed 5-μm-diameter needle-electrodes on 1 mm × 1 mm block modules.

The individual microneedles are fabricated on the block modules, which are small enough to use in the narrow spaces present in brain tissue; as demonstrated in the recording using mouse cerebrum cortices. In addition, the block module remarkably improves the design variability in the packaging, offering numerous in vivo recording applications.

"We demonstrated the high design variability in the packaging of our electrode device, and in vivo neuronal recordings were performed by simply placing the device on a mouse's brain. We were very surprised that high quality signals of a single unit were stably recorded over a long period using the 5-μm-diameter needle," explained the first author, Assistant Professor Hirohito Sawahata, and co-author, researcher Shota Yamagiwa.

The leader of the research team, Associate Professor Takeshi Kawano said: "Our silicon needle technology offers low invasive neuronal recordings and provides novel methodologies for electrophysiology; therefore, it has the potential to enhance experimental neuroscience." He added, "We expect the development of applications to solve the mysteries of the brain and the development of brain-machine interfaces."

###

Funding agency

This work was supported by Grants-in-Aid for Scientific Research (S) (No. 20226010), (A) (No. 25249047, No. 26242088), for Young Scientist (A) (No. 26709024), the PRESTO Program from JST, and Strategic Advancement of Multi-Purpose Ultra-Human Robot and Artificial Intelligence Technologies program from NEDO. Rika Numano was also supported by a Grant-in-Aid for Scientific Research (C) (No. 24590350), the Asahi Glass Foundation, and the Takeda Science Foundation.

Reference:

Hirohito Sawahata, Shota Yamagiwa, Airi Moriya, Teo Dong Sheng, Hideo Oi, Yoriko Ando, Rika Numano, Makoto Ishida, Kowa Koida, and Takeshi Kawano (2016). Single 5 μm diameter needle electrode block modules for unit recordings in vivo. Scientific Reports. Article first published online: 25th of October 2016 | DOI: 10.1038/SREP35806

Further information

Toyohashi University of Technology
1-1 Hibarigaoka, Tempaku
Toyohashi, Aichi Prefecture, 441-8580, JAPAN
Inquiries: Committee for Public Relations
E-mail: [email protected]

Toyohashi University of Technology, founded in 1976 as a National University of Japan, is a leading research institute in the fields of mechanical engineering, advanced electronics, information sciences, life sciences, and architecture.
Website: http://www.tut.ac.jp/english/

Media Contact

Ryoji Inada
[email protected]

Share25Tweet16Share4ShareSendShare
  • Logo

    New study shows snacking on mixed tree nuts may impact cardiovascular risk factors and increase serotonin

    92 shares
    Share 37 Tweet 23
  • Null results research now published by major behavioral medicine journal

    533 shares
    Share 213 Tweet 133
  • Researchers achieve the first observation of de Broglie-Mackinnon wave packets by exploiting loophole in 1980’s-era laser physics theorem

    65 shares
    Share 26 Tweet 16
  • The next generation of global health innovators: Michelson Prize winners announced

    66 shares
    Share 26 Tweet 17
  • Simulations reproduce complex fluctuations in soft X-ray signal detected by satellites

    64 shares
    Share 26 Tweet 16
  • New study debunks the assumption that menstrual cycles disqualify women from exercise research

    65 shares
    Share 26 Tweet 16
ADVERTISEMENT

About us

We bring you the latest science news from best research centers and universities around the world. Check our website.

Latest NEWS

New study shows snacking on mixed tree nuts may impact cardiovascular risk factors and increase serotonin

Hydrogen peroxide from tea and coffee residue: New pathway to sustainability

Null results research now published by major behavioral medicine journal

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 205 other subscribers

© 2022 Scienmag- Science Magazine: Latest Science News.

No Result
View All Result
  • HOME PAGE
  • BIOLOGY
  • CHEMISTRY AND PHYSICS
  • MEDICINE
    • Cancer
    • Infectious Emerging Diseases
  • SPACE
  • TECHNOLOGY
  • CONTACT US

© 2022 Scienmag- Science Magazine: Latest Science News.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In