Figure 5
From: A solvable model for the diffusion and reaction of neurotransmitters in a synaptic junction

Effect of the speed of ligand release on the response function. Scaling of J(t) by t0 is to ensure that the same number of neurotransmitters is released for all the curves with different t0 values, which are shown in the figure in ms. a = 10 nm and D = 2 × 105 nm2/ms.