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<p>sharp onset/offset times, motion and low <a href="page.php?w=spatial_frequency">spatial frequency</a> contribute to, but are not strictly necessary for, an object's salience in blindsight.</p>

<p><big> Cause </big></p>
<p>There are multiple theories about what causes blindsight. The first states that after damage to area V1, other branches of the <a href="page.php?w=optic_nerve">optic nerve</a> deliver visual information to the <a href="page.php?w=superior_colliculus">superior colliculus</a>, <a href="page.php?w=Pulvinar_nuclei">pulvinar</a> and several</p><p>
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