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Color Emotions without Blue Light : Effect of a Blue Light Filter on the Emotional Perception of Colors / Färg känslor utan blått Ljus : Effekten av ett blåljusfilter på Känslomässig uppfattning av färgerLeefer van Leeuwen, Maximilian January 2023 (has links)
Blue light filters have become commonplace in modern technology. While there has been a substantial amount of research into their effects on sleep, there has been little into the effect on the media perceived through them. This study sought to examine whether the mechanisms responsible for the adaptation to ambient light conditions would counteract this effect. To do so, a digital survey was conducted in which participants rated 30 colors on 3 different emotional attributes: warmth, weight, and activity. Participants took the survey with or without a blue light filter active, and with or without external light. The external light was intended to eliminate or reduce the level of adaptation to the screen’s altered colors. After comparison between the groups, it was revealed that no significant subjective difference appeared between either of the test conditions. However, with external light, there was a difference in perceived warmth with and without the blue light filter. This implies that some sort of adaptation is involved, and is interfered with by qualities of ambient light. The prevalence of these usage conditions is left to future research, as is whether the specific extent of the difference caused by blue light filters is significant enough to design around. / Blåljusfilter har blivit vanliga i modern teknik. Även om det har gjorts en betydande mängd forskning om deras effekter på sömn, har det varit lite om effekten på media som uppfattas genom dem. Denna studie försökte undersöka om de mekanismer som är ansvariga för anpassningen till omgivande ljusförhållanden skulle motverka denna effekt. För att göra det genomfördes en digital undersökning där deltagarna betygsatte 30 färger på 3 olika känslomässiga egenskaper: värme, vikt och aktivitet. Deltagarna gjorde undersökningen med eller utan ett aktivt blåljusfilter och med eller utan externt ljus. Det yttre ljuset var avsett att eliminera eller minska nivån av anpassning till skärmens ändrade färger. Efter jämförelse mellan grupperna avslöjades att ingen signifikant subjektiv skillnad förekom mellan någon av testbetingelserna. Men med externt ljus var det skillnad i upplevd värme med och utan blåljusfiltret. Detta innebär att någon form av anpassning är inblandad och störs av egenskaperna hos omgivande ljus. Förekomsten av dessa användningsförhållanden överlämnas till framtida forskning, liksom om den specifika omfattningen av skillnaden som orsakas av blåljusfilter är tillräckligt stor för att kunna designas runt.
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"Chromomentalisme" : psychologies de la couleur et cultures visuelles en France au passage du siècle (1870-1914) / "Chromomentalism" : color psychologies and visual cultures in fin-de-siècle France (1870-1914)Ronetti, Alessandra 31 October 2019 (has links)
Alors que l'influence des théories optiques de la couleur sur le développement des techniques picturales aux XIXe et XXe siècles a fait l'objet d'études nombreuses, le champ, tout aussi déterminant, de la psychologie de la couleur demande à être exploré plus en avant. Notre recherche porte sur les liens historiques et épistémologiques entre les approches psycho-physiologiques de la couleur - empruntées aux discours de la psychologie expérimentale, de la psychiatrie et des sciences psychiques - et les cultures visuelles, au tournant du XXe siècle. Ce travail explore le pouvoir de conditionnement mental de la couleur, ou «chromomentalisme» : comment la couleur influence l'esprit et plus largement le corps de l'individu en affectant sa capacité de concentration, sa santé ou son humeur. La thèse présente trois grands axes qui correspondent à des déclinaisons différentes des psychologies de la couleur : la couleur-attention, la couleur-énergie et la couleur-émotion. La première partie analyse les dispositifs d'emprise attentionnelle utilisés à la fois en laboratoire et sur scène, la dialectique entre attention et distraction dans les expériences urbaines, et l'essor des psychotechniques de la couleur. La deuxième partie explore les pratiques d'emprise énergétique (le mythe du corps sans fatigue, la neurasthénie) et l'interprétation bio-esthétique de la couleur qui émerge à fois du débat occultiste et expérimental. La troisième partie porte sur le pouvoir de gestion des affects, en mobilisant le débat sur l'empathie et l'éducation des sens, l'esthétique populaire des couleurs, les modes de relation entre harmonies chromatiques et sociales. / Whilst the influence of color optical theories on the development of pictorial techniques in the Nineteenth and Twentieth centuries has been the subject of numerous studies, the field of color psychology needs to be explored further. Our research focuses on the historical and epistemological links between psycho-physiological approaches to color - derived from the discourse of experimental psychology, psychiatry and psychic sciences - and visual cultures at the turn of the Twentieth century. This dissertation explores the power of color as mental conditioning, or «chromomentalism» : how color influences the mind and more broadly the body of the individual by affecting its ability to concentrate, health or mood. The thesis presents three major axes that correspond to multiples aspects of color psychology : color-attention, color-energy and color-emotion. The first part analyzes the attention-grabbing devices used both in the laboratory and on stage, the dialectic between attention and distraction in urban experiences, and the rise of psychotechnics of color (art, cinema, advertising:). The second part explores the oractices of energetic control (the utopian goal of the "body without fatigue", neurasthenia, psychotechnics of energy) and the bio-aesthetic interpretation of color that emerges from occultism and experimental sciences. The third part focuses on the power of color to affect emotion, by questioning the debate on empathy and the education of the senses, the popular aesthetics of colors, the link between chromatic and social harmonies.
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