Convolutions and Correlations

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Convolutions and Correlations
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Neurons as Filters
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Detectors are so small close to the fixation
point that their responses are similar.
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A Null-Response is indicative of inhibition
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If we take 2 cells with inverted profile on-off
versus off-on then we get
If we subtract bottom from top (inhibition!) we
would get for the top one
If we consider half wave rectification we realize
that the inhibitory parts remain invisible!
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