The code for the main simulations of the paper:

Hiratani N, Fukai T (2017) Detailed Dendritic Excitatory/Inhibitory Balance through Heterosynaptic Spike-Timing-Dependent Plasticity. J Neurosci 37:12106-12122

are available at the authors web site (and from this repository in modeldb):

https://github.com/nhiratani/hstdp

Running these commands produces the following graphs similar to paper figures 2B and 2D respectively:

python cotricostriatal.py
python schaffercollateral.py