Psychedelic experiences may offer a lasting boost in perceived life meaning

An analysis of data from three studies on psychedelic use indicates that participants’ sense of meaning in life tends to increase following a psychedelic experience. Specifically, the “presence of meaning” tends to rise, while the “search for meaning” tends to decline slightly. The findings were published in Frontiers in Psychology.

Psychedelics are substances that alter perception, mood, and cognition by interacting with serotonin receptors in the brain, particularly the 5-HT2A receptor. Common psychedelics include psilocybin, LSD, mescaline, and DMT. These substances can produce profound shifts in consciousness, such as visual hallucinations, ego dissolution, and altered perceptions of time. Many users describe experiences involving emotional release, spiritual insight, or an increased sense of connectedness.

Psychedelics are being studied for their therapeutic potential in treating mental health conditions such as depression, post-traumatic stress disorder, anxiety, and addiction. Research suggests they may help “reset” maladaptive brain activity and enhance emotional flexibility. However, they can also induce distressing reactions—such as paranoia, anxiety, or confusion—especially in uncontrolled environments. Both mindset and setting strongly influence the nature of a psychedelic experience. While psychedelics are generally not considered addictive, they exert powerful psychological effects and should be used with caution.

Study author William Roseby and his colleagues set out to examine the extent to which psychedelics influence one’s sense of meaning in life. This concept refers to the feeling that one’s existence has purpose, coherence, and significance, often derived from personal values, relationships, long-term goals, or a connection to something larger than oneself.

The studies included in the analysis assessed meaning in life using the Meaning in Life Questionnaire, alongside additional measures of mental wellbeing (Warwick-Edinburgh Mental Wellbeing Scale), depression (Beck Depression Inventory), mystical experiences (Mystical Experience Questionnaire), ego dissolution (Ego-Dissolution Inventory), and emotional breakthroughs (Emotional Breakthrough Inventory).

Free daily newsletter

The three studies were as follows:

• An online prospective study in which individuals planning to attend psychedelic retreats completed questionnaires before and after their experience. The retreats involved one to three ceremonies using substances such as psilocybin or ayahuasca. Data were collected two weeks before the retreat and up to six months afterward. While 886 people initially enrolled, only 141 completed the final follow-up, reflecting high attrition.
• A laboratory study known as Insight, which involved 28 healthy, psychedelic-naive participants undergoing two psilocybin sessions separated by one month. The first session involved a 1 mg placebo dose, while the second involved a 25 mg active dose. Participants were blinded to which dose they received. Assessments were conducted two weeks after each session.
• A randomized controlled trial called Psilodep, which compared psilocybin with escitalopram, a widely used antidepressant, in individuals with treatment-resistant depression. Thirty participants received psilocybin, and 29 received escitalopram. Both groups received psychological support throughout the study.

Across all three studies, participants reported significant increases in the presence of meaning in life following a psychedelic experience. In contrast, the search for meaning showed only a modest reduction. This suggests that people tended to feel that their lives had more meaning after their experience, without necessarily losing the desire to continue exploring that meaning.

Increases in the presence of meaning were also moderately correlated with improvements in mental wellbeing and reductions in depressive symptoms. In particular, mystical experiences, ego dissolution, and emotional breakthroughs were linked to greater increases in perceived meaning.

“The convergence of evidence from multiple studies shows that psychedelic use has a robust and long-lasting positive effect on meaning in life. We explore potential mechanisms of psychedelic-induced meaning enhancement and highlight the possible influences of psychosocial context on outcomes,” the study authors concluded.

The study contributes to the scientific understanding of the consequences of the use of psychedelics in controlled and guided settings. However, it should be noted that the first study had a huge attrition rate, leaving open the possibility that participants with less positive outcomes dropped out of the study and were thus not included in the analysis. Additionally, all the outcome data was based on self-reports leaving room for reporting bias to have affected the results.

The paper “Enhanced meaning in life following psychedelic use: converging evidence from controlled and naturalistic studies” was authored by William Roseby, Hannes Kettner, Leor Roseman, Meg J. Spriggs, Taylor Lyons, Joe Peill, Bruna Giribaldi, David Erritzoe, David J. Nutt, and Robin L. Carhart-Harris.