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.
Monkeys prefer the tropical rain forests of Asia, Africa, Central and South America. Although they are good swimmers, monkeys do not live in wet lands. The monkeyâs habitat may be in trees or on the ground depending on the terrain and the species. Old World Monkey. The Old World Monkey is found in South Asia with a few species in Japan, North China and Africa.