CCNBook/Learning
<p>Jun 11, 2012 11:04 PM
 
a discussion of <b>spike timing dependent plasticity (STDP)</b>,
 which has captured the imaginations of many researchers in this area), but the high-level story is fairly straightforward:
 
 the <b>overall level of neural activity on both ends of the synaps</b>e (sending and receiving neural firing) drives the<b> influx of calcium ions (Ca++) via NMDA channels</b>, and
 
 synaptic weight changes are driven by
<b> the level of postsynaptic Ca++ in the </b><i><b>dendritic spin</b>e</i> associated with a given synapse. <b>Low levels of Ca++ cause synapses to get weaker, </b>
<b>and higher levels cause them to get stronger</b>....
 
self-organizing learning... statist. regularities.
 
error-driven learning:  contrast btwn expectaitons and outcomes...
 
 
 
 </p>