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Updated: May 25, 2026
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Whole-Brain 3D Activation and Functional Connectivity Mapping in Mice using Transcranial Functional Ultrasound Imaging
Published on: February 24, 2021
Wireless intra-brain communication for image transmission through mouse brain.
Kiyotaka Sasagawa1, Takashi Matsuda, Peter Davis
1Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, Japan. sasagawa@ms.naist.jp
Summary
Wireless image transmission through a mouse brain was achieved using an implantable sensor and AM signals. Electrode insertion significantly boosted transmission efficiency, enabling successful image reproduction.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Wireless Communication
Background:
- Efficient data transmission within biological tissues is crucial for advanced neural interfaces.
- Current methods face challenges with signal attenuation and biocompatibility.
- Developing reliable wireless communication systems for the brain is an ongoing research area.
Purpose of the Study:
- To demonstrate wireless image data transmission through a mouse brain.
- To measure the transmission characteristics of the mouse brain.
- To investigate methods for enhancing signal transmission efficiency.
Main Methods:
- An implantable image sensor transmitted Amplitude Modulation (AM) signals modulated with image data.
- Signals were transmitted wirelessly through the mouse brain.
- Electrodes were inserted into the brain to measure transmission characteristics and improve efficiency.
- Received signals were demodulated to reconstruct the image data.
Main Results:
- The transmission characteristics of the mouse brain were successfully measured.
- Inserting electrodes into the brain drastically increased transmission efficiency.
- Image data was successfully transmitted wirelessly through the brain.
- The transmitted image was accurately reproduced after demodulation.
Conclusions:
- Wireless image data transmission through a mouse brain is feasible.
- Electrode integration is a viable strategy to enhance wireless signal transmission in brain tissue.
- This technology holds potential for future neural interface applications.
