Peter Stone's Selected Publications

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Decision mechanisms underlying mood-congruent emotional classification

Corey N. White, Elad Liebman, and Peter Stone. Decision mechanisms underlying mood-congruent emotional classification. Cognition and Emotion, 32(2):249–58, Taylor \& Francis, 2017.
Available from publisher's website.

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Abstract

There is great interest in understanding whether and how mood influences affective processing. Results in the literature have been mixed: some studies show mood- congruent processing but others do not. One limitation of previous work is that decision components for affective processing and responses biases are not dissociated. The present study explored the roles of affective processing and response biases using a drift-diffusion model (DDM) of simple choice. In two experiments, participants decided if words were emotionally positive or negative while listening to music that induced positive or negative mood. The behavioural results showed weak, inconsistent mood-congruency effects. In contrast, the DDM showed consistent effects that were selectively driven by an a-priori bias in response expectation, suggesting that music-induced mood influences expectations about the emotionality of upcoming stimuli, but not the emotionality of the stimuli themselves. Implications for future studies of emotional classification and mood are subsequently discussed.

BibTeX Entry

@article{CognitionAndEmotion17-White,
  title={Decision mechanisms underlying mood-congruent emotional classification},
  author={Corey N.\ White and Elad Liebman and Peter Stone},
  journal={Cognition and Emotion},
  pages={249--58},
  volume={32},
  number={2},
  year={2017},
  publisher={Taylor \& Francis},
  abstract={
      There is great interest in understanding whether and how mood
      influences affective processing. Results in the literature have been mixed:
      some studies show mood- congruent processing but others do not. One
      limitation of previous work is that decision components for affective
      processing and responses biases are not dissociated. The present study
      explored the roles of affective processing and response biases using a
      drift-diffusion model (DDM) of simple choice. In two experiments,
      participants decided if words were emotionally positive or negative while
      listening to music that induced positive or negative mood. The
      behavioural results showed weak, inconsistent mood-congruency effects. In
      contrast, the DDM showed consistent effects that were selectively driven
      by an a-priori bias in response expectation, suggesting that
      music-induced mood influences expectations about the emotionality of
      upcoming stimuli, but not the emotionality of the stimuli themselves.
      Implications for future studies of emotional classification and mood are
      subsequently discussed.},
  wwwnote={Available from <a href="https://www.tandfonline.com/doi/full/10.1080/02699931.2017.1296820">publisher's website</a>.},
}

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