| The
effect of lesions |
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| • | Monkeys
with collicular or frontal eye field |
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| lesions
make saccades with a slightly longer |
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| reaction time. |
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| • | Monkeys
with combined lesions cannot make |
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| saccades
at all. |
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| • | Humans
with parietal lesions neglect visual |
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| stimuli,
but have no specific eye movement |
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| deficits.
If they can see it they can make |
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| saccades
to it. |
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| • | Humans
with frontal lesions cannot make |
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| antisaccades. |
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