load_file("nrngui.hoc")
xpanel("Kim J et al. 2017")
  xlabel("Select a simulation")
  xbutton("Before learning","{xopen(\"Before_learning.hoc\")}")
  xbutton("After learning","{xopen(\"After_learning.hoc\")}")
  xlabel("Quit and restart in-between simulations")
  xbutton("Quit","quit()")
xpanel()