MODEL RELEASED. Sleep research. Male patient wired up to somniography equipment used in a sleep research study. Electrodes attached to the patient's head record electrical activity over different parts of the brain (a type of electro- encephalograph or EEG). Heartbeat and breathing are monitored. While sensors on the upper lip,hand etc.,are used to measure tension or movement in various body muscles. Eye muscles may also be monitored during rapid eye movement (REM) sleep | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / McIntyre, Will & Deni |
Bildgröße: | 3861 px × 4876 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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