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The (in)sensitivity to rewards: how is performance affected by subliminal reward cues in dysphoria ?

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The (in)sensitivity to rewards: how is performance affected by subliminal reward cues in dysphoria ?

FURMANCZYK, Pawel

Abstract

This quasi-experimental study is a first attempt to examine the influence of subliminal reward cues on performance in dysphoria. Dysphoric and non-dysphoric participants could receive small and high monetary rewards for good performance in a mental calculation task. Rewards were shown either supraliminally or subliminally before each trial. Due to the lack of pertinent empirical evidence and cognitive models of reward processing, we formulated two competing hypotheses to predict performance following subliminal reward cues in dysphoria : According to model A, subliminal rewards were not expected to boost performance, while model B predicted an increase in performance. Data were analyzed in accordance with the likelihood ratio approach and yielded mixed results that were further challenged by descriptive data...

FURMANCZYK, Pawel. The (in)sensitivity to rewards: how is performance affected by subliminal reward cues in dysphoria ?. Master : Univ. Genève, 2015

Available at:

http://archive-ouverte.unige.ch/unige:75775

Disclaimer: layout of this document may differ from the published version.

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The (in)sensitivity to rewards: How is performance affected by subliminal reward cues in dysphoria?

MEMOIRE REALISE EN VUE DE L’OBTENTION DE LA

MAITRISE UNIVERSITAIRE EN PSYCHOLOGIE / MASTER OF SCIENCE IN PSYCHOLOGY

ORIENTATIONS PSYCHOLOGIE AFFECTIVE

PSYCHOLOGIE CLINIQUE

PAR

Pawel Furmanczyk

DIRECTEUR DU MEMOIRE Kerstin Brinkmann

JURY

Kerstin Brinkmann Jessica Franzen David Sander

GENEVE Août2015

UNIVERSITE DE GENEVE

FACULTE DE PSYCHOLOGIE ET DES SCIENCES DE L'EDUCATION SECTION PSYCHOLOGIE

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This quasi-experimental study is a first attempt to examine the influence of subliminal reward cues on performance in dysphoria. Dysphoric and non-dysphoric participants could receive small and high monetary rewards for good performance in a mental calculation task.

Rewards were shown either supraliminally or subliminally before each trial. Due to the lack of pertinent empirical evidence and cognitive models of reward processing, we formulated two competing hypotheses to predict performance following subliminal reward cues in dysphoria : According to model A, subliminal rewards were not expected to boost performance, while model B predicted an increase in performance. Data were analyzed in accordance with the likelihood ratio approach and yielded mixed results that were further challenged by

descriptive data. Although not conclusive, results give rise to methodological and theoretical considerations that could be useful for future research.

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(17)

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(18)

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(19)

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