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. 2010 Jun 3;4:14. doi: 10.3389/fnsys.2010.00014

Figure 7.

Figure 7

Mean change in synaptic weights between cell groups as a function of stimulus strengths and plasticity mechanism. Fractional change in synaptic strength is plotted. (Left) Connections needing strengthening for forward recall. W1–C1 = first word to context-1. C1–W2 = context-1 to second word. (Right) Connections needing strengthening for reverse recall. W2–C1 = second word to context-1. C1–W1 = context-1 to first word. Stimulus protocols are both strong (SS), weak then strong (WS), strong then weak (SW) or both weak (WW). Top row: associative short-term plasticity (ASTP). Second row: basic STDP. Third row: triplet-STDP (3-STDP) with parameters from cortical data (Ctx). Fourth row: triplet-STDP (3-STDP) with parameters from hippocampal data (HC).