Serotonin and aversive Pavlovian control of instrumental behavior in humans. Geurts, D. E M., Huys, Q. J M., den Ouden, H. E M., & Cools, R. J Neurosci, 33(48):18932–18939, 2013. Publisher: Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behavior, Centre for Cognitive Neuroimaging and Department of Psychiatry, 6500 HB, Nijmegen, The Netherlands, Gatsby Computational Neuroscience Unit and Wellcome Trust Centre for Neuroimaging, UCL, WC1N 3AR, London, United Kingdom, Translational Neuromodeling Unit, ETH, University of Zurich, CH-8032 Zurich, Switzerland, and Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, CH-8032 Zurich, Switzerland.
Paper doi abstract bibtex Adaptive decision-making involves interaction between systems regulating Pavlovian and instrumental control of behavior. Here we investigate in humans the role of serotonin in such Pavlovian-instrumental transfer in both the aversive and the appetitive domain using acute tryptophan depletion, known to lower central serotonin levels. Acute tryptophan depletion attenuated the inhibiting effect of aversive Pavlovian cues on instrumental behavior, while leaving unaltered the activating effect of appetitive Pavlovian cues. These data suggest that serotonin is selectively involved in Pavlovian inhibition due to aversive expectations and have implications for our understanding of the mechanisms underlying a range of affective, impulsive, and aggressive neuropsychiatric disorders.
@article{geurts_serotonin_2013,
title = {Serotonin and aversive {Pavlovian} control of instrumental behavior in humans.},
volume = {33},
url = {http://dx.doi.org/10.1523/JNEUROSCI.2749-13.2013},
doi = {10.1523/JNEUROSCI.2749-13.2013},
abstract = {Adaptive decision-making involves interaction between systems regulating Pavlovian and instrumental control of behavior. Here we investigate in humans the role of serotonin in such Pavlovian-instrumental transfer in both the aversive and the appetitive domain using acute tryptophan depletion, known to lower central serotonin levels. Acute tryptophan depletion attenuated the inhibiting effect of aversive Pavlovian cues on instrumental behavior, while leaving unaltered the activating effect of appetitive Pavlovian cues. These data suggest that serotonin is selectively involved in Pavlovian inhibition due to aversive expectations and have implications for our understanding of the mechanisms underlying a range of affective, impulsive, and aggressive neuropsychiatric disorders.},
language = {eng},
number = {48},
journal = {J Neurosci},
author = {Geurts, Dirk E M. and Huys, Quentin J M. and den Ouden, Hanneke E M. and Cools, Roshan},
year = {2013},
pmid = {24285898},
note = {Publisher: Radboud University Nijmegen Medical Centre, Donders Institute for Brain, Cognition and Behavior, Centre for Cognitive Neuroimaging and Department of Psychiatry, 6500 HB, Nijmegen, The Netherlands, Gatsby Computational Neuroscience Unit and Wellcome Trust Centre for Neuroimaging, UCL, WC1N 3AR, London, United Kingdom, Translational Neuromodeling Unit, ETH, University of Zurich, CH-8032 Zurich, Switzerland, and Psychiatry, Psychotherapy and Psychosomatics, University Hospital of Psychiatry Zurich, CH-8032 Zurich, Switzerland.},
keywords = {Adolescent, Adult, Affect, Amino Acids, Appetite, Behavior, Classical, Conditioning, Cues, Data Interpretation, Decision Making, Female, Humans, Male, Neuropsychological Tests, Personality Tests, Psychometrics, Psychomotor Performance, Reinforcement (Psychology), Serotonergic Neurons, Serotonin, Statistical, Tryptophan, Young Adult, blood/deficiency/physiology, blood/physiology, metabolism, physiology},
pages = {18932--18939},
}
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Acute tryptophan depletion attenuated the inhibiting effect of aversive Pavlovian cues on instrumental behavior, while leaving unaltered the activating effect of appetitive Pavlovian cues. 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