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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Math Biosci. 2010 May 10;226(2):77–96. doi: 10.1016/j.mbs.2010.05.001

FIGURE 3.

FIGURE 3

A periodically forced oscillator. Stimulus intervals (ts) in the nth and (n+1)st cycles in a phase locked mode with no delays is shown here. The black vertical bars indicate firing times and the vertical gray arrows indicate neuronal inputs arriving at a phase ϕ (= ts / P0). P0 represents the period of the forced oscillator and Pf represents the period of the forcing oscillator.