The Intracranial Injection of Drugs in Goldfish. II: Preliminary Report on Behavior of Serotonin as a Potential Hallucinogen when Injected Intracranially and Intraabdominally

: Serotonin, when injected intracranially and intraabdominally into goldfish produces the surfacing reaction typical of hallucinogenic compounds active in man. It is suggested that serotonin disorders in the brain in man might be connected with the schizophrenias.