Investigation of Implantable Multi-Channel Electrode Array in Rat Cerebral Cortex Used for Recording

• Taniguchi Noriyuki

  Mabuchi Labs., Room 610, Faculty of Engineering Building No. 14 The University of Tokyo

• Fukayama Osamu

  Mabuchi Labs., Room 610, Faculty of Engineering Building No. 14 The University of Tokyo

• Suzuki Takafumi

  Mabuchi Labs., Room 610, Faculty of Engineering Building No. 14 The University of Tokyo

• Mabuchi Kunihiko

  Mabuchi Labs., Room 610, Faculty of Engineering Building No. 14 The University of Tokyo Mabuchi Labs., Room 610, Faculty of Engineering Building No. 14 The University of Tokyo

Bibliographic Information

Other Title

• ラット大脳皮質の神経信号取得に適した埋め込み型多点電極アレイの開発
• ラット ダイノウ ヒシツ ノ シンケイ シンゴウ シュトク ニ テキシタ ウメコミガタ タテン デンキョク アレイ ノ カイハツ

Abstract

There have recently been many studies concerning the control of robot movements using neural signals recorded from the brain (usually called the Brain-Machine interface (BMI)). We fabricated implantable multi-electrode arrays to obtain neural signals from the rat cerebral cortex. As any multi-electrode array should have electrode alignment that minimizes invasion, it is necessary to customize the recording site. We designed three types of 22-channel multi-electrode arrays, i.e., 1) wide, 2) three-layered, and 3) separate. The first extensively covers the cerebral cortex. The second has a length of 2 mm, which can cover the area of the primary motor cortex. The third array has a separate structure, which corresponds to the position of the forelimb and hindlimb areas of the primary motor cortex. These arrays were implanted into the cerebral cortex of a rat. We estimated the walking speed from neural signals using our fabricated three-layered array to investigate its feasibility for BMI research. The neural signal of the rat and its walking speed were simultaneously recorded. The results revealed that evaluation using either the anterior electrode group or posterior group provided accurate estimates. However, two electrode groups around the center yielded poor estimates although it was possible to record neural signals.

Journal

• IEEJ Transactions on Electronics, Information and Systems

  IEEJ Transactions on Electronics, Information and Systems 127 (10), 1556-1561, 2007

  The Institute of Electrical Engineers of Japan

Keywords

• Brain-Machine interface
• neural interface
• multi-channel recording
• signal processing
• neuroscience
• electrophysiology

Details

• CRID: 1390001204606656000
• NII Article ID: 10019958266
• NII Book ID: AN10065950
• DOI: 10.1541/ieejeiss.127.1556
• ISSN: 13488155
• ISSN: 03854221
• NDL BIB ID: 8960299
• Web Site: http://id.ndl.go.jp/bib/8960299
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8960299
• Web Site: http://www.jstage.jst.go.jp/article/ieejeiss/127/10/127_10_1556/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed