Abstract
After smoking 1 gram of hashish 33 experience hashish users have been examined in a state of acute intoxication as to their psychomotor functional capacity as well as to various sensorial and vegetative performances and functions. The findings were that the adaptability of the functional capacity and the reactivity was reduced when unfamiliar and unpractised complex activities had to be performed, that time and space orientation were considerably impaired, and that ataxic disturbances and cardiovascular disorders of all degrees of severity occurred.