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6

This is a really nice paper that tries to explain time-perception in a cognitive architecture called ACT-R. It is a model of human cognition that tries to explain human behavior with only basic functions (declarative and procedural memory, vision, working memory a.o.). Very shortly, the model is as following: There is a pacemaker. This pacemaker creates ...


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Objects are visually perceived when they reflect light. A black object does not reflect any light. In other words, no photons are reflected to be detected by the photoreceptors in the retina. A black shape on a colored background appears black because its brightness approaches zero relative to its surroundings. Black, as any other perceived hue, is a ...


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Short answer Sensations are different from thoughts and are separated in the spatial and temporal domain. The distinction between thoughts and perceptions, however, is less well defined, but can still be dealt with experimentally. Background A description of sensation is as follows: The physical process during which our sensory organs [...] respond to ...


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Short answer Generally, a few months of active, guided training. Background Based on an article from a guide cane instructor who is a cane traveler himself, I can answer the question as follows: First off - it depends on at least three important variables; The student's background; The student's aptitude; the amount of time available to the student. ...



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