Acetaminophen enhances the reflective learning process

Rahel Pearson, Seth Koslov, Bethany Hamilton, Jason Shumake, Charles S. Carver, Christopher Beevers

Research output: Contribution to journalArticle

Abstract

Acetaminophen has been shown to influence cognitive and affective behavior possibly via alterations in serotonin function. This study builds upon this previous work by examining the relationship between acetaminophen and dual-learning systems, comprising reflective (rule-based) and reflexive (information-integration) processing. In a double-blind, placebo-controlled study, a sample of community-recruited adults (N = 87) were randomly administered acetaminophen (1000 mg) or placebo and then completed reflective-optimal and reflexive-optimal category learning tasks. For the reflective-optimal category learning task, acetaminophen compared to placebo was associated with enhanced accuracy prior to the first rule switch (but not overall accuracy), with needing fewer trials to reach criterion and with a faster learning rate. Acetaminophen modestly attenuated performance on the reflexive-optimal category learning task compared to placebo. These findings indirectly support two positions that have been proposed elsewhere. First, they are consistent with the view that acetaminophen has an influence on the serotonergic system. Second, the findings are consistent with a proposed link between elevated serotonin function and relative dominance of effortful, rule-based processing.

LanguageEnglish (US)
Pages1029-1035
Number of pages7
JournalSocial cognitive and affective neuroscience
Volume13
Issue number10
DOIs
StatePublished - Oct 25 2018

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Acetaminophen
Learning
Placebos
Serotonin
Automatic Data Processing

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Cognitive Neuroscience

Cite this

Acetaminophen enhances the reflective learning process. / Pearson, Rahel; Koslov, Seth; Hamilton, Bethany; Shumake, Jason; Carver, Charles S.; Beevers, Christopher.

In: Social cognitive and affective neuroscience, Vol. 13, No. 10, 25.10.2018, p. 1029-1035.

Research output: Contribution to journalArticle

Pearson, R, Koslov, S, Hamilton, B, Shumake, J, Carver, CS & Beevers, C 2018, 'Acetaminophen enhances the reflective learning process' Social cognitive and affective neuroscience, vol. 13, no. 10, pp. 1029-1035. https://doi.org/10.1093/scan/nsy074
Pearson, Rahel ; Koslov, Seth ; Hamilton, Bethany ; Shumake, Jason ; Carver, Charles S. ; Beevers, Christopher. / Acetaminophen enhances the reflective learning process. In: Social cognitive and affective neuroscience. 2018 ; Vol. 13, No. 10. pp. 1029-1035.
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