The Brain Activity Monitor is Detective William Murdoch's prescient version of the electroencephalogram (EEG) based on the research of British scientist Richard Caton, introduced in the final episode of Season 9 of Murdoch Mysteries


Cometh the Archer

  • When Julia is in a coma after emergency surgery, William builds the Brain Activity Monitor to prove that just because Julia's body isn't responding to stimuli doesn't mean that her mind isn't. 


  • Prop note: The device has 49 lights and, at times, 3 people are controlling them.


Community content is available under CC-BY-SA unless otherwise noted.