MODEL RELEASED. Sleep research: electroencephalograph (EEG) electrodes attached to the head of a sleeping woman volunteer in the Clinical Pharmacology Unit at Janssen Pharmaceutical Ltd. Such experiments are aimed at understanding the effects of drugs such as sleeping pills (hypnotics) on the brain by measuring changes in its electrical activity. Electrodes are attached to the scalp,forehead,by the eyes,under the chin & on the chest (to monitor the heart). One night's recording produces a vast amount of data which is passed directly to a computer for analysis | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / JANSSEN PHARMACEUTICAL LTD / JAMES HOLMES |
Bildgröße: | 3640 px × 2854 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |