Brain diseases are difficult to observe directly due to the skull, making it hard to gain an accurate understanding of their state.

SQUID (superconducting quantum interference device), which is a high sensitivity magnetic sensor, is able to measure weak magnetic fields (magnetoencephalographs) generated by neurotransmissions (brain activity) without being obstructed by the skull. For example, using SQUID to take measurements of the area around a brain tumor that has been found through MRI, enables a more accurate ascertainment of its position and state. This not only gives the surgeon more information before an operation, but it can also be used to obtain informed consent regarding side effects after surgery.

We are also developing measuring systems to lighten work currently being carried out manually by doctors, such as an automatic system for detecting abnormal waves that trigger epilepsy. Furthermore, the technology can be applied to the building of systems for diagnosing brain diseases other than those given as examples.

Measuring systems can be developed in accordance with the requirements of their use.

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