• psychoactive substance
  • The events of the first LSD trip, now known as "Bicycle Day", after the bicycle ride home, proved to Hofmann that he had indeed made a significant discovery: a psychoactive substance with extraordinary potency, capable of causing significant shifts of consciousness in incredibly low doses. (wikipedia.org)
  • voices
  • Complex hallucinations are those of voices, music, or other sounds that may or may not be clear, may be familiar or completely unfamiliar, and friendly or aggressive, among other possibilities. (wikipedia.org)
  • commonly
  • Severe anxiety and depression are commonly induced by sustained alcohol abuse which in most cases abates with prolonged abstinence. (wikipedia.org)
  • acute
  • However, there is evidence that caffeine, in extreme acute doses or when severely abused for long periods of time, may induce psychosis. (wikipedia.org)
  • Ms. J, a 19-year-old college sophomore, was admitted to the Early Psychosis Unit at the Centre for Addiction and Mental Health (CAMH) displaying signs of agitation and acute psychosis. (psychiatrictimes.com)
  • methamphetamine
  • In an Australian study of 309 active methamphetamine users, 18% had experienced a clinical level psychosis in the past year. (wikipedia.org)
  • A Japanese study of recovery from methamphetamine psychosis reported a 64% recovery rate within 10 days rising to an 82% recovery rate at 30 days after methamphetamine cessation. (wikipedia.org)
  • amphetamines
  • However, unlike similar disorders, in AWP, substituted amphetamines reduce rather than increase symptoms, and the psychosis or mania resolves with resumption of the previous dosing schedule. (wikipedia.org)
  • known
  • Simple visual hallucinations without structure are known as phosphenes and those with geometric structure are known as photopsias. (wikipedia.org)
  • Between 1968 and the late 1980s, Fischer developed a model for altered states of consciousness in several stages known as the perception-hallucination continuum. (wikipedia.org)