2023
A novel computational approach to pain perception modelling within a Bayesian framework using quantitative sensory testing
Drusko A, Baumeister D, McPhee Christensen M, Kold S, Fisher V, Treede R, Powers A, Graven-Nielsen T, Tesarz J. A novel computational approach to pain perception modelling within a Bayesian framework using quantitative sensory testing. Scientific Reports 2023, 13: 3196. PMID: 36823292, PMCID: PMC9950064, DOI: 10.1038/s41598-023-29758-8.Peer-Reviewed Original ResearchConceptsHierarchical Gaussian FilterPrior expectationsRelevant individual differencesPain perceptionLearning-based interventionsTesting paradigmCognitive processesSensory evidenceIndividual differencesPsychophysical paradigmInferential processesVisual cuesElectrical cutaneous stimulusPrior weightingPerceptionPain stimuliPrior beliefsIndividual levelNociceptive inputBeliefsGreater relianceStimuliStrong weightingAcute pain stimuliParadigm
2021
Increased face detection responses on the mooney faces test in people at clinical high risk for psychosis
Silverstein SM, Thompson JL, Gold JM, Schiffman J, Waltz JA, Williams TF, Zinbarg RE, Mittal VA, Ellman LM, Strauss GP, Walker EF, Woods SW, Levin JA, Kafadar E, Kenney J, Smith D, Powers AR, Corlett PR. Increased face detection responses on the mooney faces test in people at clinical high risk for psychosis. Schizophrenia 2021, 7: 26. PMID: 34001909, PMCID: PMC8129098, DOI: 10.1038/s41537-021-00156-1.Peer-Reviewed Original ResearchClinical high riskFace perceptionCHR groupDegraded face imagesCognitive processesPerceptual sensitivityRisk mental stateMotivational mechanismsVisual perceptionFace testPerceptual abnormalitiesMental statesCHR participantsCHR subjectsMore facePerceptionDetection responseFace imagesYoung peoplePsychosisClinical measuresParticipantsPrior workFacePrior studies
2017
Pavlovian conditioning–induced hallucinations result from overweighting of perceptual priors
Powers AR, Mathys C, Corlett PR. Pavlovian conditioning–induced hallucinations result from overweighting of perceptual priors. Science 2017, 357: 596-600. PMID: 28798131, PMCID: PMC5802347, DOI: 10.1126/science.aan3458.Peer-Reviewed Original Research