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The Government of Canada’s terminology and linguistic data bank.
PERCEPTION VISUELLE CONSCIENTE [3 records]
Record 1 - internal organization data 2017-05-09
Record 1, English
Record 1, Subject field(s)
- Nervous System
Record 1, Main entry term, English
- Cheshire Cat Experiment
1, record 1, English, Cheshire%20Cat%20Experiment
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
This simple experiment with a mirror illustrates one aspect of visual awareness. It relies on a phenomenon called binocular rivalry, which occurs when each eye has a different input from the same part of the visual field. Motion in the field of one eye can cause either the entire image or parts of the image to be erased. The movement captures the brain's attention. 1, record 1, English, - Cheshire%20Cat%20Experiment
Record 1, French
Record 1, Domaine(s)
- Système nerveux
Record 1, Main entry term, French
- expérience du chat du Cheshire
1, record 1, French, exp%C3%A9rience%20du%20chat%20du%20Cheshire
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Cette expérience simple, qui illustre un aspect de la perception visuelle consciente, se fonde sur le phénomène de concurrence visuelle, laquelle survient lorsque la même partie du champ visuel de chaque œil reçoit une stimulation différente. Un mouvement dans le champ d’un œil efface une partie ou la totalité de l'image, car le mouvement attire l'attention du cerveau. 1, record 1, French, - exp%C3%A9rience%20du%20chat%20du%20Cheshire
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1998-03-03
Record 2, English
Record 2, Subject field(s)
- Nervous System
- Special-Language Phraseology
Record 2, Main entry term, English
- Cartesian Theater
1, record 2, English, Cartesian%20Theater
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
So far, experimentalists have not found one particular region in the brain where all the information needed for visual awareness appears to come together. Dennett has dubbed such a hypothetical place "The Cartesian Theater". 1, record 2, English, - Cartesian%20Theater
Record 2, French
Record 2, Domaine(s)
- Système nerveux
- Phraséologie des langues de spécialité
Record 2, Main entry term, French
- Théâtre cartésien
1, record 2, French, Th%C3%A9%C3%A2tre%20cart%C3%A9sien
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Jusqu'ici, les expérimentateurs n’ ont identifié aucune aire corticale où convergeraient toutes les informations nécessaires à la perception visuelle consciente. D. Dennett nomme «Théâtre cartésien» cette région qu'il pense ne pas exister. 1, record 2, French, - Th%C3%A9%C3%A2tre%20cart%C3%A9sien
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1994-09-08
Record 3, English
Record 3, Subject field(s)
- The Eye
- Psychology (General)
Record 3, Main entry term, English
- visual awareness
1, record 3, English, visual%20awareness
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- visual consciousness 1, record 3, English, visual%20consciousness
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Visual awareness primarily involves seeing what is directly in front of you, but it can be influenced by a three-dimensional representation of the object in view retained by the brain. If you see the back of a person's head, the brain infers that there is a face on the front of it. We know this is true because we would be very startled if a mirror revealed that the front was exactly like the back. 1, record 3, English, - visual%20awareness
Record number: 3, Textual support number: 2 CONT
Brief flashes of colored light enable researchers to infer the minimum time required for visual awareness. A disk of red light is projected for 20 milliseconds, followed immediately by a 20- millisecond flash of green light. But the observer reports seeing a single flash of yellow, the color that would be apparent if red and green were projected simultaneously. The subject does not become aware of red followed by green until the length of the flashes is extended to 60 to 70 milliseconds. 1, record 3, English, - visual%20awareness
Record 3, French
Record 3, Domaine(s)
- Oeil
- Psychologie (Généralités)
Record 3, Main entry term, French
- perception visuelle consciente
1, record 3, French, perception%20visuelle%20consciente
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- conscience visuelle 1, record 3, French, conscience%20visuelle
correct, feminine noun
- prise de conscience visuelle 1, record 3, French, prise%20de%20conscience%20visuelle
correct, feminine noun
- pensée visuelle 1, record 3, French, pens%C3%A9e%20visuelle
correct, feminine noun
- vision consciente 1, record 3, French, vision%20consciente
correct, feminine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
La perception visuelle consciente est bien plus riche que la vision pure et simple : le cerveau conserve en mémoire une certaine représentation tridimensionnelle de l'objet regardé. Quand nous voyons la tête d’une personne qui nous tourne le dos, notre cerveau en déduit qu'il existe un visage de l'autre côté. Nous considérons cette proposition comme vraie et nous serions très étonnés si un miroir renvoyait une image du devant de la tête exactement identique à la vue arrière. 1, record 3, French, - perception%20visuelle%20consciente
Record number: 3, Textual support number: 2 CONT
Grâce à des stimuli visuels brefs de lumière colorée on étudie le temps minimal nécessaire à la perception visuelle consciente. Une tache de couleur rouge est projetée pendant 20 millisecondes et remplacée immédiatement par une tache de lumière verte, pendant la même durée. L'observateur ne voit qu'une seule tache de couleur jaune, qu'il verrait également si les deux couleurs étaient projetées simultanément. Le sujet ne commence à percevoir la succession rouge-vert que lorsque les éclairs durent au moins 60 à 70 millisecondes. 1, record 3, French, - perception%20visuelle%20consciente
Record 3, Spanish
Record 3, Textual support, Spanish
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