Dr. Henderson's EEG Machine

The EEG machine is central to this event, serving as the primary diagnostic tool used by Henderson to explain the Doctor’s coma. Its flatline reading—indicating no brain activity—challenges the Brigadier’s understanding of the Doctor’s condition and underscores the limitations of human medicine in diagnosing alien physiology. Henderson uses the machine to illustrate the Doctor’s self-induced state, reinforcing the idea that his coma is not a result of physical trauma but something far more complex. The machine’s readings create a sense of unease, as they defy medical logic and highlight the Doctor’s otherworldly nature.