In a previous study, it has been shown that rats placed in a 9.4 Tesla static magnetic field after drinking a glucose-saccharin solution develop a conditioned taste aversion to glucose-saccharin (see publication 145). The authors sought to identify brain stem regions that are activated by the 9.4 Tesla magnetic field exposure.
| Exposure | Parameters |
|---|---|
|
Exposure 1:
Exposure duration:
30 min
|
|
| Frequency | |
|---|---|
| Type | |
| Exposure duration | 30 min |
| Exposure source | |
|---|---|
| Setup | rats placed inside the magnet |
| Sham exposure | A sham exposure was conducted. |
| Measurand | Value | Type | Method | Mass | Remarks |
|---|---|---|---|---|---|
| magnetic flux density | 9.4 T | - | - | - | - |
The magnetic field induced significantly more c-Fos-positive cells than sham exposure treatment in the solitary tract, parabrachial, medial vestibular, prepositus, and supragenualis nuclei.
These data suggest that magnetic field exposure causes neural activation in visceral and vestibular nuclei that may promote conditioned taste aversion learning.
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