Original sentence: Neurobiological research  coupled with modern medical imaging, especially tomography, suggests a few things: it appears that serotonin is generated in some areas of the brain of people having religious experiences, and may have specific effects
Edited sentence: Neurobiological research  coupled with modern medical imaging, especially tomography, points at a few facts: it appears that serotonin is generated in some areas of the brain of people having religious experiences, and may have specific effects