Table 1.
Summarized frequency bands and neuroanatomical areas found to be associated with social stress, the application of rifaximin, and interaction of both
| Comparison | Frequency band | Brain region | Hemisphere | p value |
|---|---|---|---|---|
| Stress effect: exclusion versus inclusion | Theta | Fusiform gyrus | Left | 0.008 |
| Inferior parietal lobule | Right | |||
| Superior parietal lobule | Right | |||
| Thalamus | Right | |||
| Middle occipital gyrus | Left | |||
| Alpha | Posterior cingulate gyrus | Bilateral | 0.002 | |
| Inferior parietal lobule | Bilateral | |||
| Superior parietal lobule | Bilateral | |||
| Hippocampus | Left | |||
| Parahippocampal gyrus | Left | |||
| Fusiform gyrus | Left | |||
| Beta-1 | Inferior temporal cortex | Bilateral | 0.01 | |
| Middle temporal cortex | Bilateral | |||
| Fusiform cortex | Bilateral | |||
| Hippocampus | Bilateral | |||
| Inferior occipital cortex | Left | |||
| Beta-2 | Cingulate gyrus | Right | 0.008 | |
| Fusiform cortex | Bilateral | |||
| Hippocampus | Bilateral | |||
| Parahippocampal gyrus | Right | |||
| Occipital cortex | Left | |||
| Beta-3 | Posterior cingulate gyrus | Left | 0.01 | |
| Fusiform gyrus | Bilateral | |||
| Hippocampus | Bilateral | |||
| Parahippocampal gyrus | Bilateral | |||
| Interior temporal lobule | Bilateral | |||
| Middle temporal lobule | Bilateral | |||
| Superior temporal lobule | Bilateral | |||
| Thalamus | Bilateral | |||
| Rifaximin effect on resting state: | Alpha | Inferior frontal gyrus | Left | 0.05 |
| Middle frontal gyrus | Left | |||
| Superior frontal gyrus | Bilateral | |||
| Middle cingulate gyrus | Right | |||
| Insula | Left | |||
| Rifaximin effect * stress effect on CBG: | Beta-1 | Inferior frontal gyrus | Left | 0.05 |
| Superior frontal gyrus | Left | |||
| Middle frontal gyrus | Bilateral | |||
| Anterior cingulate gyrus | Left |