Eléments de description de l'articulation des registres visuels (eye-tracking) et verbaux dans le maintien de l'interaction schizophrénique

Abstract : The research presented here is one of the application of the research project “inter-human” and it has a twofold objective: to develop the knowledge currently available on the functioning of the interaction in general; and to describe more accurately interactional skills of schizophrenic patients in order to contribute to the development of care techniques appropriate to their cognitive disorders. In order to design a model of multimodal interaction, we analyzed face to face interactions between an experimenter (psychologist) and a schizophrenic patient. This led us to compare some properties of interactional skills of “normal” subjects to those of schizophrenic patients in order to identify the capabilities and challenges they manifest via language and eye movements. In this thesis, we focus the analyzes on two aspects of interaction: sequentiality of speech and saccadic eye movements. This model will be tested using the faceLAB5 system. This system is a recording and monitoring system of eye movements ("eye-tracking") that we doubled to get data on both parties in a situation of interaction. In addition, the results will be put into perspective with data taken from neuropsychological evaluations, in order to identify the possible role of the frontal lobe in maintaining the interaction. The main results are consistent with those from many other studies that used an earlier single “eye-tracking” system, in particular that schizophrenic patients produce more saccadic eye movements than “normal” participants. But designed as it was, the device also allows the analysis of the behavior of the interlocutor, that is to say the experimenter. This shows a decrease in production of saccadic eye movements from the experimenter when interacting with schizophrenic patients. In addition, the results on neuropsychological tests show that despite some disabilities already identified in schizophrenic patients, some cognitive abilities seem to be preserved. This observation could be the cornerstone of the restoration of cognitive capacities that are declining or are deficient in some schizophrenia patients, by the development of specific and appropriate therapies. This would allow them to exploit all their cognitive abilities, either daily or in a view to a social and professional long term integration.
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Stéphanie Padroni. Eléments de description de l'articulation des registres visuels (eye-tracking) et verbaux dans le maintien de l'interaction schizophrénique. Psychologie. Université de Lorraine, 2015. Français. ⟨NNT : 2015LORR0231⟩. ⟨tel-01752268⟩

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