The purpose of this paper is to provide an integrative review and offer novel insights regarding
human research with classic psychedelics (classic hallucinogens), which are serotonin …

This chapter begins with a brief review of descriptions and definitions of mystical-type experiences
and the historical connection between classic hallucinogens and mystical experiences…

Classic psychedelic drugs such as psilocybin and lysergic acid diethylamide (LSD) have
recaptured the imagination of both science and popular culture, and may have efficacy in …

Importance Major depressive disorder (MDD) is a substantial public health burden, but current
treatments have limited effectiveness and adherence. Recent evidence suggests that 1 or …

Participants listened to randomly selected excerpts of popular music and rated how
nostalgic each song made them feel. Nostalgia was stronger to the extent that a song was …

Background: Preliminary data suggest that psilocybin-assisted treatment produces substantial
and rapid antidepressant effects in patients with major depressive disorder (MDD), but …

Psilocybin can occasion mystical-type experiences with participant-attributed increases in
well-being. However, little research has examined enduring changes in traits. This study …

Psilocybin has shown promise for the treatment of mood disorders, which are often accompanied
by cognitive dysfunction including cognitive rigidity. Recent studies have proposed …

The 30-item revised Mystical Experience Questionnaire (MEQ30) was previously developed
within an online survey of mystical-type experiences occasioned by psilocybin-containing …

Acute and enduring adverse effects of psilocybin have been reported anecdotally, but have
not been well characterized. For this study, 1993 individuals (mean age 30 yrs; 78% male) …