(Credit: Chin-Teng Lin, et al. ©2008 IEEE.)
A group of researchers from Taiwan have designed this new baseball cap which is actually a brain-computer interface (BCI) system, with the intention of making it a useful item in your day-to-day life. What this device actually does is that it detects and analyzes the electroencephalogram (EEG) signals from your brain. Therefore it can easily analyze- without using gels applied on your head- how your brain is functioning.
It is wireless, portable and gets power by a lithium-ion battery. According to the developers this cap can become a handy tool for vehicle drivers as it can measure how sleepy you get while you are driving. In addition, they are expecting this baseball cap to be used in other applications or sessions like home care for the elderly, medical monitoring, exercise training and also for things like controlling household electronic devices just by thinking about them…! Amazing… isn’t it?
Look how this baseball cap reads your mind:
The cap contains five embedded dry electrodes on the wearer’s forehead, and one electrode behind the left ear, that acquire EEG signals. Then, the EEG signals are wirelessly transmitted to a data receiver, where they are processed in real-time by a dual-core processor. The BCI system includes Bluetooth transmission for distances of 10m or less (e.g., for driving applications), as well as RF transmission for distances up to 600m (e.g., for potential sports applications). Next, the processed signals are transmitted back to the cap, where the data can be stored, displayed in real-time on a screen, or be used to trigger an audio warning, if necessary.
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