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Brain fog may affect performance on virtually any cognitive task. [1] As one author put it, "It should be apparent that cognition is not possible without a reasonable degree of arousal." [3] Cognition includes perception, memory, learning, executive functions, language, constructive abilities, voluntary motor control, attention, and mental speed.
A clouded sensorium, also known as an altered sensorium, is a medical condition characterized by the inability to think clearly or concentrate. It is usually synonymous with, or substantially overlapping with, altered level of consciousness .
Both brain imaging (fMRI and ERP) and studies of neuropsychological patients have been used to test the hypothesis that a mental image is the reactivation, from memory, of brain representations normally activated during the perception of an external stimulus.
A second induction image for the McCollough effect. Stare at the center of this image for a few seconds, then at the center of the image to the left (with the red background) for a few seconds. Then return to this image. Keep looking between the two colored images for at least three minutes. A test image for the McCollough effect.
Brain-reading or thought identification uses the responses of multiple voxels in the brain evoked by stimulus then detected by fMRI in order to decode the original stimulus. . Advances in research have made this possible by using human neuroimaging to decode a person's conscious experience based on non-invasive measurements of an individual's brain activit
Satellite photograph of a mesa in the Cydonia region of Mars, often called the "Face on Mars" and cited as evidence of extraterrestrial habitation. Pareidolia (/ ˌ p ær ɪ ˈ d oʊ l i ə, ˌ p ɛər-/; [1] also US: / ˌ p ɛər aɪ-/) [2] is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus, usually visual, so that one detects an object, pattern, or ...
Neurophysiological studies have not made much progress in narrowing down the locus of the brain at which crowding occurs. Previous researches have demonstrated that crowding is “dichoptical” meaning that the target is perceived by one eye and the distractor by the other. [32] [33] Which should mean that the effect of crowding occurs in the ...
Pandemonium architecture is a theory in cognitive science that describes how visual images are processed by the brain. It has applications in artificial intelligence and pattern recognition . The theory was developed by the artificial intelligence pioneer Oliver Selfridge in 1959.