Integration between fear-relevant stimuli and action in fear of spiders and snakes : a behavorial and EEG study

Diplôme Master Integration between fear-relevant stimuli and action in fear of spiders and snakes : a behavorial and EEG study eng 2019 author Lelievre Valérie 846841 director Grandjean Didier Maurice 502006 Experiencing co-occurring stimulus and response leads to the binding of their corresponding feature codes and to the creation of an “event file” (Hommel, 2001), that is a temporary memory trace integrating a perceptual event and the performed action. In our study, we were interested in this binding phenomenon in relation to fear. Fast reactions to fear-relevant stimuli may have been developed over our phylogenetic and ontogenetic history in order to face potential threats. Research has highlighted attentional biases and expectancies towards fear-relevant stimuli, especially among fearful individuals, but perception-action interactions have not received sufficient attention. 63 participants performed a task adapted from Hommel's paradigm (1998), with fear-relevant stimuli (snakes and spiders), as opposed to neutral stimuli (birds) while an EEG was conducted. Results showed that stimuli could be integrated with motor response, but they revealed different and reversed response patterns depending on the relevance of the stimulus and the level of fear. Binding effects for spider pictures were modulated by the level of fear of spiders and of snakes, but they were little affected by the level of fear of snakes for snake pictures... Dewey 150 Dewey 616.8 Maîtrise interdisciplinaire en neurosciences 16 Centre interfacultaire de neurosciences 0D9 108 Section de psychologie 71 false 594 Neuroscience de l'émotion et dynamiques affectives (NEAD) ffddd875-37de-4dde-821f-7bad3d429973 Master thesis Restricted MasterNeuroscience_thesis_LELIEVRE_Valerie_Last.pdf 9874720 application/pdf restrictedAccess Centres et instituts / Centre interfacultaire de neurosciences Faculté de psychologie et des sciences de l'éducation / Section de psychologie

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Integration between fear-relevant stimuli and action in fear of spiders and snakes : a behavorial and EEG study				2019	140	12

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Lelievre, Valérie