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In page Visual cortex:

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Recent work has shown that V4 exhibits long-term plasticity,[3] encodes stimulus salience, is gated by signals coming from the frontal eye fields,[4] and shows changes in the spatial profile of its receptive fields with attention.[citation needed] In addition, it has recently been shown that activation of area V4 in humans (area V4h) is observed during the perception and retention of the color of objects, but not their shape.[5][6]