A brain-computer interface controls her robotic arm. As easily as not thinking, she uses it to drink another shot of tequila. I feel a tic escape, as my deep brain stimulation implant remodulates its signal. But I’m not dropping my coffee anymore. The veteran’s brain implant doesn’t control his PTSD symptoms well, plus he has paranoia about mind control experiments by the government. A technician sends the telerobotic neurosurgeon a brain scan on her phone. A crack in the screen leads to the patient becoming a savant. An fMRI scanner noisily starts up. An undetected tattoo heats up from metal…