Better Brain Check

June 2020

Researchers at Carl von Ossietsky University in the northern German city of Oldenburg have successfully tested a brain-monitoring device that could replace conventional encephalography (EEG).

The standard EEG involves attaching numerous electrodes to various locations on the scalp with glue and fixing them in place with a cap. Measuring procedures can last more than two hours, causing itching and headaches.

Developers in Oldenburg say their fEEGrid (Flex-printed forehead EEG) device is far more convenient and can be worn up to eight hours without major discomfort.

“The measuring device consists of transparent, flexible carrier material onto which 22 small sensors and conducting paths are printed with silver ink,” the university wrote on its website. “The device is not placed on the hair, but on the forehead and temples. An electrically conductive gel is used to connect the device to the skin, and a small transmitter transmits the signals wirelessly to a smartphone or computer.”

The fEEGrid also can be used outside of laboratories – another advantage.

“We now have a comfortable procedure for EEG long-term measurements that hardly interferes with normal activities and does not impede patient’s care,” said neuropsychologist Prof. Stefan Debener on the university website.

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