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Intrinsic pleasantness and motivational valence processing: an electroencephalographic approach of the sequence hypothesis

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Denomination Maîtrise universitaire interdisciplinaire en neurosciences
Defense Maîtrise : Univ. Genève, 2012
Abstract In this study we investigated neuronal correlates of the evaluation of intrinsic pleasantness (IP) and motivational valence (MV), two processes which are supposed to occur in a fixed sequence, according to the Component Process Model of emotion (Scherer, 1984, 2009b). Using EEG, this sequence was tested with a paradigm using emotional words (Moors and De Houwer, 2001, 2005) in which IP and MV were systematically manipulated. The peak analysis revealed an effect of IP on the component P2 (~220ms post-stimulus), no effect of MV was perceivable when manipulated at the same time. Moreover, topographic ERP analysis showed an effect of global explained variance for MV about 220ms post-stimulus. The limitations of this study are discussed and some potential explanations for the weak representation of MV in peak analysis are suggested. Perspectives for further analysis are proposed.
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Research group Neuroscience de l'émotion et dynamiques affectives (NEAD)
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TIPURA, Eda. Intrinsic pleasantness and motivational valence processing: an electroencephalographic approach of the sequence hypothesis. Université de Genève. Maîtrise, 2012. https://archive-ouverte.unige.ch/unige:23941

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Deposited on : 2012-11-12

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