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  • Title: Prefrontal asymmetry predicts affect, but not beliefs about affect.
    Author: Steiner AR, Coan JA.
    Journal: Biol Psychol; 2011 Sep; 88(1):65-71. PubMed ID: 21741433.
    Abstract:
    Self-reported emotional feelings are easily biased by situational or identity-related beliefs. Such biases vary as a function of memory. Recent memories draw more on veridical felt affective experience whereas distant memories draw more on situational or identity-related biases. For this study, frontal EEG asymmetry was used to predict feeling- versus belief-based self-reports of freshmen year homesickness in college freshmen and sophomores. Relatively greater right frontal EEG asymmetry predicted greater feeling-based, experiential reports of freshman year homesickness, whereas no associations were found between frontal EEG asymmetry and belief-based, retrospective reports of freshman year homesickness. These results support the status of frontal EEG asymmetry as a measure of affective vulnerability and suggest that links between frontal EEG asymmetry and self-reported affect are detectable to the extent that self-reports capture current emotional feelings and not situational or identity-related beliefs about what one ought to have felt.
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