Wießner I

Brain Institute, Federal University of Rio Grande do Norte, Natal, Brazil.

17 papers · 2 preprints · ORCID

Beyond symptom reduction: DMT improves anxiety, life satisfaction, and quality of life in healthy volunteers and patients with depression.

Bolcont R, Palhano-Fontes F, Barros H +6

DMT, Madness, and Healing: Psychosis Model, Therapy Model, and Their Relations to Mystical Experiences and Positive Emotionality

Wießner I, Falchi-Carvalho M, Laborde S +7

Corrigendum to Safety, tolerability and subjective effects of vaporized N, N-Dimethyltryptamine: A randomized double-blind clinical trial [European Neuropsychopharmacology 97 (2025) 16-27].

Wießner I, Falchi-Carvalho M, Laborde S +18

ArticleAyahuasca

Predicting and exploring ayahuasca effects: Perception, mind-wandering, and EEG oscillations.

Silva-Costa N, Pessoa JA, Andrade KC +4

Expressive resource in a clinical psychedelic study: Art as an integration tool.

Barros H, Falchi-Carvalho M, Maia LO +5

ArticleAyahuasca

OAV and 5D-ASC for Brazilian Portuguese: A validation and adaptation study.

Rodrigues RS, Wießner I, Daldegan-Bueno D +4

Safety, tolerability and subjective effects of vaporized N,N-Dimethyltryptamine: A randomized double-blind clinical trial.

Wießner I, Falchi-Carvalho M, Laborde S +18

ArticlePsilocybin

Rapid and sustained antidepressant effects of vaporized N,N-dimethyltryptamine: a phase 2a clinical trial in treatment-resistant depression.

Falchi-Carvalho M, Palhano-Fontes F, Wießner I +21

ArticleAyahuasca

The Antidepressant Effects of Vaporized <i>N</i>,<i>N</i>-Dimethyltryptamine: An Open-Label Pilot Trial in Treatment-Resistant Depression.

Falchi-Carvalho M, Barros H, Bolcont R +16

PreprintAyahuasca

The antidepressant effects of vaporized N,N-Dimethyltryptamine: a preliminary report in treatment-resistant depression

Falchi-Carvalho M, Barros H, Bolcont R +15

ArticlePsilocybin

Safety and tolerability of inhaled N,N-Dimethyltryptamine (BMND01 candidate): A phase I clinical trial.

Falchi-Carvalho M, Wießner I, Silva SRB +15

ArticlePsychedelics

Awake or Sleeping? Maybe Both… A Review of Sleep-Related Dissociative States.

Sodré ME, Wießner I, Irfan M +2

LSD and language: Decreased structural connectivity, increased semantic similarity, changed vocabulary in healthy individuals.

Wießner I, Falchi M, Daldegan-Bueno D +7

ArticleAyahuasca

Ayahuasca's therapeutic potential: What we know - and what not.

Maia LO, Daldegan-Bueno D, Wießner I +2

Nootropic effects of LSD: Behavioral, molecular and computational evidence.

Ornelas IM, Cini FA, Wießner I +16

LSD, afterglow and hangover: Increased episodic memory and verbal fluency, decreased cognitive flexibility.

Wießner I, Olivieri R, Falchi M +6

LSD and creativity: Increased novelty and symbolic thinking, decreased utility and convergent thinking.

Wießner I, Falchi M, Maia LO +10

Low-dose LSD and the stream of thought: Increased Discontinuity of Mind, Deep Thoughts and abstract flow.

Wießner I, Falchi M, Palhano-Fontes F +6

LSD, madness and healing: Mystical experiences as possible link between psychosis model and therapy model.

Wießner I, Falchi M, Palhano-Fontes F +3