Colour enhanced polygraph tracings of REM (Rapid Eye Movement) period. First two lines: movements of the left (blue-violet) and right (blue) eye measured using EOG (Electrooculography); third line,EMG (Electromyography) (yellow); fourth line,EEG (Electroencephalograph) brain wave (green) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Omikron |
Bildgröße: | 3597 px × 1958 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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