MODEL RELEASED. Woman holding her temples. In the background are electroencephalography (EEG) traces. EEG uses electrodes to measure the electrical activity of the brain. It shows a pattern of waves. Brain waves vary in frequency throughout the day,depending on what is being done. This image may represent stress,a headache or migraine,or mental abilities such as telepathy | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Maslo, Miriam |
Bildgröße: | 3580 px × 4882 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |