Stephen Baccus
<p>Dec 15, 2013 08:51 PM</p>
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steve presents a new area: ultrasound stim. of retina!!! (known since 1929?)</p>
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aim US = sono = ultrasound at brain slice and can cause spikes!
(Bill Newsome urged this);</p>
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usu study: how does retina process info;</p>
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use low freq stim ;</p>
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