Brain when hearing
Numéro d’image : 11870897
| Positron computed tomography (PCT) scans of the brain,showing the results of 4 types of auditory stimulation. PCT scans depend on the brain's use of glucose to fuel its activity. A volunteer is injected with a minute dose of a radioactive tracer chemical that binds to glucose molecules in the blood. The glucose tends to concentrate in parts of the brain where there is increased activity (cerebral metabolism),& is detected by the emission of positron radioactivity from the tracer. The resulting signals are processed by computer to give maps which show which parts of the brain are most active | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / NEUROLOGY / DR JOHN MAZZIOTTA ET AL |
| Taille de l’image : | 3543 px × 2983 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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