Exam 4: Visual System: The Brain

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An ocular dominance column is a column within V1 that is made up of neurons with similar responses to the orientation of a shape presented to those neurons.

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Just under 75% of axons from the optic nerve make their way to the LGN of the thalamus.

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Patient T.N.had successive strokes that lesioned his V1 region in both hemispheres.What was the result?

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One of the least well understood aspects of visual neuroscience is ______.

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V1 is a precise map of the retina.

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The bilateral structure in the brainstem that is made mostly of axons is known as the ______.

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What is the name of the location in the optic tract where the optic nerve from each eye splits in half, with nasal retinae crossing over and temporal retinae staying on the same side of the optic tract?

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This pathway starts with midget and bistratified retinal ganglion cells and continues through the visual cortex into the inferotemporal cortex in the temporal lobe; often called the "what" pathway.What is it?

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What is the name of the structure located at the top of the brainstem, just beneath the thalamus, whose main function in mammals (including humans) is the control of rapid eye movements?

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Interblobs are sensitive to ______.

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What is the relationship between V1 and the retina?

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Sudden eye movements used to look from one object to another are known as ______.

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The allocation of more space in the cortex to some sensory receptors than to others is known as ______.

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Which pathway is associated with detecting motion?

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The left V1 receives input ______.

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The superior colliculus is a structure located at the top of the brainstem, just beneath the thalamus, whose main function in mammals (including humans) is the control of rapid eye movements.

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Explain why scientists do not believe the term "blindsight" is a paradox.

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No one treatment for gaze palsies works every time.

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The dorsal pathway is associated with which features?

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Monkeys who received lesions in the parietal lobe showed deficits in ______.

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