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SUMMARY:Oscillations\, Phase-of-firing Coding and STDP: An Efficient Learn
 ing Scheme (Journal club) - Philip Sterne (University of Cambridge)
DTSTART:20091109T110000Z
DTEND:20091109T120000Z
UID:TALK21316@talks.cam.ac.uk
CONTACT:Emli-Mari Nel
DESCRIPTION:"This week's paper available here":http://www.jneurosci.org/cg
 i/content/abstract/29/43/13484\n\nShortened abstract:\nRecent experiments 
 have established that information can be encoded in the spike times of neu
 rons relative to the phase of a background oscillation in the local field 
 potential—a phenomenon referred to as "phase-of-firing coding" (PoFC). T
 hese firing phase preferences could result from combining an oscillation i
 n the input current with a stimulus-dependent static component that would 
 produce the variations in preferred phase. Here we show that PoFC has a ma
 jor impact on downstream learning and decoding with the now well establish
 ed spike timing-dependent plasticity (STDP). To be precise\, we demonstrat
 e with simulations how a single neuron equipped with STDP robustly detects
  a pattern of input currents automatically encoded in the phases of a subs
 et of its afferents\, and repeating at random intervals.  This suggests a 
 major functional role for oscillatory brain activity that has been widely 
 reported experimentally.
LOCATION:TCM Seminar Room\, Cavendish Laboratory\, Department of Physics
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