Abstract
The aim of this study is to focus on the clinical aspects of four linguistic indicators that emerge from automatic speech analysis. From a theoretical point of view, the number of proposals deals with cognitive activity, the number of modelizations with emotional activity, the number of connections with judgment activity and the number of action verbs can refer to behavioral activity. To test these hypotheses we have studied two protocols of Thematic Aperception Test (TAT) randomized from non-clinical groups for the former and from a group of schizophrenic patients for the latter. The outcomes regarding the non-clinical protocols lead to the conclusion that the four indicators are coherent (α=0.93) and correlated; this confirms the clinical data on the cohesive personality of this young lady. The absence of correlations within the schizophrenic protocols reflects the dissociative syndrome of this patient. Finally, the study of the dynamics of this protocol, using our four linguistic criteria, confirms both the affective indifference and the increase of behavioral activity of this patient when the mentalization fails. After discussion and despite its capacity to describe clinical cases, the validity of this method needs to be completed (by relating the language indicators to production time stories) in further explorations, even if its reliability is good (α=0.93).
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