Pentylenetetrazol (INN), also known as pentylenetetrazole, metrazol, pentetrazol, pentamethylenetetrazol, Cardiazol or PTZ, was a drug used as a circulatory and respiratory stimulant.
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Published in the April 2007 issue of Nature Neuroscience, their brief communication outlined an experiment designed to test the underlying theory proposed to explain the purported efficacy of declarative memory deficits associated with the mouse model of human Down Syndrome.
Electroconvulsive therapy, or electroshock, a psychiatric treatment in which seizures are electrically induced, or its predecessor metrazol/cardiazol convulsive therapy