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Presentation slides - KU Leuven

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The Sensory Pathway<br />

Sensors<br />

Redundancy<br />

Convergence<br />

SNR Enhancement,<br />

Spike Timing Encoding<br />

Overcompleteness<br />

Sparse Representation<br />

Associative Memory<br />

Pattern Storage/Retrieval<br />

[H. Barlow 1981]<br />

[Hertz, Krogh, Palmer]<br />

Sensors Convergence Overcompleteness Associative Memory<br />

Visual Retina Ganglion Cells/LGN Primary Visual Cortex<br />

(V1)<br />

Olfactory<br />

Olfactory<br />

Epithelium (OE)<br />

Olfactory Bulb (OB)<br />

Primary Olfactory<br />

Cortex<br />

Higher-level Cortex<br />

Higher-level Cortex<br />

Massively parallel, high variability, low SNR computation<br />

Similar to nanoscale devices!

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