english: And then in the late 1950s, the so-called "muscle relaxants" were developed by pharmacologists, and it got so that you could induce a complete convulsion, an electroencephalographic convulsion -- you could see it on the brain waves -- without causing any convulsion in the body except a little bit of twitching of the toes.
non_english: In de late jaren 1950 ontwikkelden farmacologen de zogenaamde spierverslappers. Nu kon je een volledige elektro-encephalografische schok opwekken - waarneembaar in de hersengolven - zonder schokeffect op het lichaam, behalve wat teentrekken.