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  • Title: Trait affect moderates cortical activation in response to state affect.
    Author: Hofmann SG.
    Journal: Int J Psychophysiol; 2007 Mar; 63(3):258-64. PubMed ID: 17197047.
    Abstract:
    To examine the influence of trait affect on cortical activation during state affect, 32 healthy female participants viewed video clips to induce positive and negative emotional states. Frontal and parietal electroencephalogram (EEG) of the alpha band was assessed while participants imagined the scene of each video that generated the most intense emotions. The results showed that affect-induced frontal asymmetry was moderated by negative trait affect. The difference in frontal asymmetry between positive and negative state affect increased linearly with negative trait affect. Moreover, positive trait affect was negatively correlated with activation in the right-parietal brain region. These results suggest that trait affect moderates the effects of state affect on brain activation.
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