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Listing's law states that the eye does not achieve all possible 3D orientations and that, instead, all achieved eye orientations can be reached by starting from one specific "primary" reference orientation and then rotating about an axis that lies within the plane orthogonal to the primary orientation's gaze direction (line of sight / visual axis).
Look up saccade in Wiktionary, the free dictionary. A saccade ( / səˈkɑːd / sə-KAHD; French: [sakad]; French for 'jerk') is a quick, simultaneous movement of both eyes between two or more phases of fixation in the same direction. [ 1] In contrast, in smooth-pursuit movements, the eyes move smoothly instead of in jumps.
Anatomical terms of neuroanatomy. [ edit on Wikidata] In neuroanatomy, the superior colliculus (from Latin 'upper hill') is a structure lying on the roof of the mammalian midbrain. [ 1] In non-mammalian vertebrates, the homologous structure is known as the optic tectum or optic lobe. [ 1][ 2][ 3] The adjective form tectal is commonly used for ...
Eye movement desensitization and reprocessing. Eye movement desensitization and reprocessing ( EMDR) is a form of psychotherapy that is a recommended treatment for post-traumatic stress disorder, but remains controversial within the psychological community. [1] [2] It was devised by Francine Shapiro in 1987 and originally designed to alleviate ...
Eye movements are used by a number of organisms (e.g. primates, rodents, flies, birds, fish, cats, crabs, octopus) to fixate, inspect and track visual objects of interests. A special type of eye movement, rapid eye movement, occurs during REM sleep . The eyes are the visual organs of the human body, and move using a system of six muscles.
A piano trio comprising a pianist, violinist and cellist. Chamber groups traditionally perform publicly from score rather than from memory. Eye movement in music reading is the scanning of a musical score by a musician's eyes. This usually occurs as the music is read during performance, although musicians sometimes scan music silently to study it.
The frontal eye fields ( FEF) are a region located in the frontal cortex, more specifically in Brodmann area 8 or BA8, [1] of the primate brain. In humans, it can be more accurately said to lie in a region around the intersection of the middle frontal gyrus with the precentral gyrus, consisting of a frontal and parietal portion. [2]
Glasses, surgery [3] Frequency. ~2% (children) [3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3]