AI Article Synopsis
- Previous studies on mood changes from prefrontal rTMS have shown mixed results, potentially due to methodological issues or individual differences, including personality traits.
- This pilot study involved 17 healthy volunteers undergoing rTMS while assessing their mood changes and personality traits using specific inventories.
- Results indicated that mood deterioration after rTMS was significantly linked to sensation-seeking traits, but no other personality factors affected mood changes, suggesting that future research should consider personality in participant selection to improve consistency.
Article Abstract
Previous studies investigating mood changes in healthy subjects after prefrontal repetitive transcranial magnetic stimulation (rTMS) have shown largely inconsistent results. This may be due to methodological issues, considerable inter-individual variation in prefrontal connectivity or other factors, e.g., personality traits. This pilot study investigates whether mood changes after rTMS are affected by personality parameters. In a randomized cross-over design, 17 healthy volunteers received three sessions of 1 Hz rTMS to Fz, F3 and T3 (10/20 system). The T3 electrode site served as the control condition with the coil angled 45° to the scalp. Subjective mood was rated at baseline and after each condition. Personality traits were assessed using the NEO Five-Factor Inventory (NEO-FFI) and the Sensation Seeking Scale (SSS). For all conditions, a significant association between mood changes towards a deterioration in mood and SSS scores was observed. There were no differences between conditions and no correlations between mood changes and NEO-FFI. The data show that sensation-seeking personality has an impact on subjective mood changes following prefrontal rTMS in all conditions. Future studies investigating the effects of rTMS on emotional paradigms should include individual measures of sensation-seeking personality. The pre-selection of subjects according to personality criteria may reduce the variability in results.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10527256 | PMC |
| http://dx.doi.org/10.3390/brainsci13091265 | DOI Listing |
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