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Color vision signals travel through the parvocellular layers of the lateral geniculate nucleus (LGN), later transmitting down the color regions of the ventral visual pathway. [6] Due to cone photoreceptor damage located in the macula, there is a significant reduction of visual input to the visual association cortex, stirring endogenous ...
Grapheme–color synesthetes, as a group, share significant preferences for the color of each letter (e.g., A tends to be red; O tends to be white or black; S tends to be yellow, etc.) [20] Nonetheless, there is a great variety in types of synesthesia, and within each type, individuals report differing triggers for their sensations and ...
In perception research, the memory color effect is cited as evidence for the opponent color theory, which states that four basic colors can be paired with its opponent color: red—green, blue—yellow. This explains why participants adjust the ripe banana color to a blueish tone to make its memory color yellow as gray. [10]
Eye movements are important behaviors for locating and tracking objects in the visual world. Two of the major types of eye movements are saccades and smooth pursuit. Saccades are very rapid and precise eye movements between two positions, and are important in establishing fixation. Smooth pursuit on the other hand, allows the viewer to track a ...
The findings were that the effect of vision was not specific to visual memory. [24] Therefore, vision was found to be correlated with general memory function in older adults and is not modality specific. As we age performance in regards to spatial configurations deteriorates.
This can occur in people who had achromatopsia, but the brain recovered from the injury, restoring some colour vision. The person may be able to see certain colours. However, there are many cases where there is no recovery. Finally, a person with hemiachromatopsia see half of their field of vision in colour, and the other half in grey.
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There are a variety of disabilities affecting cognitive ability.This is a broad concept encompassing various intellectual or cognitive deficits, including intellectual disability (formerly called mental retardation), deficits too mild to properly qualify as intellectual disability, various specific conditions (such as specific learning disability), and problems acquired later in life through ...