The author Louis Pergaud (1882-1915) lived during a fascinating and complex period in the development of the French national identity. It was a time when various forms of nationalism, many fed by lingering memories of the disastrous defeat of 1870/71, came to exert an enormous influence on the evolution of political, social and artistic expression in France. La Guerre des boutons is an example of a literary work deeply marked by the nationalistic tendencies prevalent in Belle Époque France. Without being a nationalist manifesto, nor an allegory of the Franco-Prussian war, Pergaud’s novel is founded in a popular nationalism which developed within an intellectual and political context shaped by the memory of the “année terrible” (1870/71), and which promoted an attachment to a so-called ancestral homeland, in-group/out-group rivalry, as well as the policies of “revenge” and “national defense”. The research that went into supporting this thesis was firmly anchored in the belief that, though La Guerre des boutons may be appreciated as a text in isolate, it is best understood when viewed within a broad setting. Therefore, in addition to analyzing structural, thematic, textual and paratexual aspects of Pergaud’s novel, the present study draws heavily from the works of eminent historians, sociologists and linguists, as well as literary sources, in order to better understand the relationship between La Guerre des boutons and its context. In demonstrating the depth and sincerity of the nationalism underlying Louis Pergaud’s novel, this thesis challenges the notion that La Guerre des boutons is simply a “coming of age” story. It also questions the validity of interpretations that identify La Guerre des boutons as primarily a satirical tale whose message is strongly anti-war. The recognition of the work’s nationalist underpinnings leads to the realization of a need for an in-depth reexamination of the character of this novel, as well as of its place within the literary spectrum.

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Dans un contexte de conduite automobile, afin de compenser la perte d’informations haptiques causée par la substitution d’interfaces mécaniques classiques par des écrans tactiles, nous avons envisagé d’étudier l’ajout d’un retour vibrotactile. Ces derniers seraient utilisés comme le témoin d’une rétroaction entre le système et l’utilisateur. Le premier objectif de ce travail a été de fournir une meilleure compréhension des facteurs et des paramètres physiques influençant la perception et l’évaluation de ces courts signaux vibrotactiles, afin d’en optimiser la création. Les données recueillies ont été à la fois subjectives (échelles de Likert) et objectives (temps de réaction, pourcentage d’erreurs). Un lien étroit entre les préférences des utilisateurs et les boutons mécaniques existants a été envisagé. Le second objectif a été d’étudié les signaux multimodaux (audio-haptique ou visuo-haptique) pour modifier la perception haptique. Pour cela, nous avons utilisé des paradigmes d’amorçage à court terme décomposés en deux phases : une phase d’apprentissage et une phase d’amorçage. La phase d’apprentissage se caractérise par l’association non explicite d’une composante haptique (une vibration de courte durée) et d’un autre composant sensoriel (soit un son, soit une image en mouvement ou statique). La phase d’amorçage se caractérise par la présentation du composant haptique seule (l’amorce) suivie d'un composant cible (soit sonore, soit visuelle). Nous avons ainsi observé que des composants perceptivement absents, mais préalablement associés, pouvaient modifier le traitement perceptif de composants en cours. Ce type de résultats nous a permis d’apporter de nouveaux arguments en faveur de mécanismes communs sous-jacents à la perception et à la mémoire à travers une modalité peu utilisée dans la littérature. Une meilleure compréhension de ces liens, nous a aidé à modifier la perception des utilisateurs, à partir de composants perceptivement absents. Une illusion a ainsi été créée à partir de signaux visuo-haptiques, permettant de se rapprocher des boutons mécaniques. / In the context of driving, in order to compensate the loss of haptic information caused by the substitution of conventional mechanical interfaces of touch screens, we proposed to study the addition of vibrotactile feedback. This would be used as a feedback control between the system and the user. The first objective of this work was to provide a better understanding of the factors and physical parameters influencing the perception and evaluation of these short vibrotactile signals in order to optimize their creation. The data collected were both subjective (Likert scales) and objective (reaction time, error rate). A link between the user’s preferences and existing mechanical buttons was considered. The second objective was to study multimodal signals (audio-haptic or visuo-haptic) in order to change haptic perception. For this, we used a short term priming paradigm divised in two phases : a learning phase and a priming phase. The priming phase is characterized by non-explicit association between a haptic component (a vibration) simultaneously with another sensorial component (either a sound, or a moving or static image). The priming phase is characterized by the presentation of one haptic component (prime) followed a target component (sound or visual). We observed that components perceptually absent, but previously associated, could change perceptual processing of target components. These types of results have allowed us to provide new arguments for common mechanisms underlying perception and memory through a modality rarely studied in scientific literature. A better understanding of these links, helped us to change the user’s perception from perceptually absent components. An illusion had been created with the visual-haptic signals allowing a closer approach to the mechanical buttons.