Sentences with phrase «ocular dominance»
Ocular dominance columns form a zebra - like pattern of stripes in part of the primary visual cortex.
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The team found that, unlike control mice, which only undergo ocular dominance shifts if an eye is closed early in life, mice without Lynx1 still showed these shifts for eye manipulations well into adulthood.
«The concept of columns in the brain is not entirely new,» observes Hosoya, referring to orientation and ocular dominance columns found in the visual cortices of monkeys and cats.
They detected little or no MHCI expression in some areas of the brain, but they found it in several other places, including the visual cortex while the ocular dominance columns were forming, and in the hippocampus — an area of the brain associated with learning and memory — at all ages.
At first, the connections are highly approximate; the stripes of the ocular dominance columns are partially formed in humans and other mammals at birth.
Searching for answers, Shatz decided to focus on the lateral geniculate nucleus (LGN), a clump of tissue shaped like a piece of elbow macaroni, set behind each eyeball, that serves as a relay station shunting visual signals to the ocular dominance columns.