Scintillating scotoma is the most common visual aura preceding migraine and was first described by 19th-century physician Hubert Airy (1838â1903). It is often confused with ocular migraine, which originates in the eyeball or socket.any variations occur, but scintillating scotoma usually begins as a spot of flickering light near or in the center of the visual field, which prevents vision within the scotoma area.
Spider monkeys live in a biome with many trees. They move around by swinging from tree to tree. Spider monkeys do not build a nest or take shelter in a cave. Instead, they sle â¦ ep high up in a tree on a wide branch. Spider monkeys mostly eat fruits and nuts.
Squirrel monkey Facts. Squirrel monkey is one of the smallest members of the primate group. There are five species of squirrel monkey that can be found in Central and South America. Squirrel monkeys live in dense tropical rainforests, wetlands, marshes and mangrove forests.quirrel monkey is one of the smallest members of the primate group. There are five species of squirrel monkey that can be found in Central and South America.