Gray's reinforcement sensitivity theory: comparing the separable and joint subsystems. Hypotheses in the predictions of pleasant and unpleasant emotional information processing

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Gomez, Rapson; Cooper, Andrew; McOrmond, Rhonda and Tatlow, Sara. 2004. Gray's reinforcement sensitivity theory: comparing the separable and joint subsystems. Hypotheses in the predictions of pleasant and unpleasant emotional information processing. Personality and Individual Differences, 37(2), pp. 289-305. ISSN 0191-8869 [Article]

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Official URL: http://dx.doi.org/10.1016/j.paid.2003.09.003

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This study compared the applicability of the separable subsystems hypothesis and the joint subsystems hypothesis of Gray's reinforcement sensitivity theory (RST) in understanding the processing of pleasant and unpleasant emotional stimuli. In all 132 participants completed questionnaires covering trait impulsivity and anxiety, and reward expectancy and punishment expectancy. Following this, participants were tested individually on three tasks measuring processing of pleasant, unpleasant and neutral information. One task involved processing the valence of words. The second involved free recall of these words, and the third task involved developing stories based on emotionally ambiguous statements. The findings were mixed, with the results for the word processing and free recall tasks being consistent with the separable subsystems hypothesis, and the results for the story completion task being consistent with the joint subsystems hypothesis. The implications of task characteristics in relation to the RST and cognitive processing of emotional information are discussed.

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https://doi.org/10.1016/j.paid.2003.09.003