MODEL RELEASED. Sleep research: electrodes placed on the head of a sleeping volunteer at the Clinical Pharmacology Unit at Janssen Pharmaceutical Ltd,with a small section of part of an electroencephalograph (EEG) trace overlaid. Such experiments are aimed at understanding the effects of a drug 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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / JANSSEN PHARMACEUTICAL LTD / JAMES HOLMES |
Taille de l’image : | 5023 px × 3424 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |