Τσαλακωμένο τραπεζομάντηλο;;; όοοοχιιι....
να και τα γρανάζια...πωπω ζαλίστηκα!
και όμως δεν ειναι κινούμενη εικόνα...άλλο ένα κλασικό παράδειγμα ψευδαίσθησης
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τελικά τι είναι;;; παράλληλα ή τέμνονται;;;
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τα άσπρα κυκλάκια εξαφανίζονται;;;
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ωχ ωχ ο κύκλος με πλησιάζει!!!
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ήμαρτον!! τι ζαλάδα είναι αυτή!
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σε πιάνει τρέλλα ή όχι με το παρακάτω;;;
αυτά προς το παρόν...θα έχουμε και συνέχεια γιατί το θέμα των ψευδαισθήσεων είναι πολύ ενδιαφέρον!
2 σχόλια:
So... how do these work?
Hi Ozy,
I read an article about illusions and these are some useful notes:
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An Optical Illusion is caused by info received by our eyes then wrongfully interpreted by the brain. The main classes of illusions are Physiological and Cognitive.
Physiological illusions:
"Physiological illusions are caused by excessive stimulation of brightness, color, contrast, movement, etc. Examples: Afterimages such as seeing "spots" after getting a camera flashed in your eyes."
Cognitive illusions:
"Cognitive illusions interact with our natural visual assumptions and are misinterpreted. Cognitive illusions are can be divided into ambiguous, distortion, and paradox illusions."
Ambiguous Illusions are images that 'change' appearance right before our eyes. Perception switches back and forth -- as available visual data does not confirm a single view. Illusions that give the impression of motion also fall into this group.
Distorting Illusions produce distortions of scale, size, or curvature.
Paradox illusions include images that are contradictory or not possible. These illusions are caused by our brain's misunderstanding that adjacent edges must join.
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Ok, there are a lot of opinions, articles and books on illusions and generally it is a complicated phenomenon. It is really interesting and I simply think that illusion is a result of light reflection in combination with shapes, colours and of course perception.
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