How do computers read electrical signals

Simple derivation of bioelectrical signals (EKG, EMG, EEG) with the computer

1989 | Technology | Hesse

  • Nicholas Prinz (17), Bad Soden / Taunus
    Bischoff Neumann School, Koenigstein
The computer measures muscle and nerve currents

Simple derivation of bioelectrical signals (EKG, EMG, EEG) with the computer

Almost everyone has felt it on their own: EKG (electrocardiogram) measured signals from the heart muscles, EEG (electroencephalogram) measured the nerve signals in the brain and EMG (electromyogram) measured the electrical currents in muscles. The results are usually printed out on paper. Young researcher Nichoas Prinz did not like the presentation of the results very much - it was not very clear. So he sat down at his computer and tried to fix this problem. The solution to the riddle: The young researcher had to improve the human-machine interface in order to achieve the desired result. Nicholas amplified the bioelectronic signals that are "picked up" from the skin by means of electrodes. The computer could "read" them better and present them more clearly than was previously possible with normal paper printouts. This would be a huge advantage, especially when it comes to training, for example from nurses or doctors.

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