Effects of tDCS on Emotion Regulation and Personality
Author Information
Author(s): Peña-Gómez Cleofé, Vidal-Piñeiro Dídac, Clemente Immaculada C., Pascual-Leone Álvaro, Bartrés-Faz David
Primary Institution: Universitat de Barcelona
Hypothesis
Does transcranial direct current stimulation (tDCS) over the left dorsolateral prefrontal cortex (DLPFC) modulate emotional valence ratings based on personality traits?
Conclusion
Anodal tDCS over the left DLPFC reduces the perceived negativity of emotional stimuli, with effects varying by personality traits.
Supporting Evidence
- Anodal tDCS reduced the perceived negativity of emotional stimuli.
- Personality traits, particularly introversion, influenced the effects of tDCS.
- Participants rated negative pictures as less negative after receiving active tDCS.
Takeaway
This study shows that a special type of brain stimulation can help people feel less negative about sad pictures, especially if they are more introverted.
Methodology
The study used a randomized, sham-controlled, crossover design with 16 right-handed women who received either active or sham tDCS while rating emotional pictures.
Potential Biases
Potential bias due to the small sample size and the exclusion of male participants.
Limitations
The sample size is small, and the effects may not generalize beyond the studied population.
Participant Demographics
16 right-handed healthy women, mean age 22.93 years.
Statistical Information
P-Value
0.036
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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