
Screenshots from Amanda Feilding’s 1970 documentary film Heartbeat in the Brain.
The film features Feilding, an advocate of trepanation, drilling a hole in her own head with the aid of a dentist’s drill.

Screenshots from Amanda Feilding’s 1970 documentary film Heartbeat in the Brain.
The film features Feilding, an advocate of trepanation, drilling a hole in her own head with the aid of a dentist’s drill.