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Jéssica Andrade Pessoa

3 papers in the library · 849 citations · publishing 2017-2025

Papers

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

Journal of Psychopharmacology December 4, 2025 Natan Silva-Costa, Jéssica Andrade Pessoa, Kátia Cristina Andrade et al.

Background: Psychedelics induce profound changes in perception and thinking; however, little is known about the neural mechanisms and prediction of these effects. Aims: Investigating ayahuasca-induced experiences, mind-wandering, and electroencephalogram (EEG) oscillations, beyond the prediction of subjective experiences by baseline EEG. Methods: In a randomised, double-blind,...

Rapid antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression: a randomized placebo-controlled trial

Psychological Medicine June 15, 2018 Fernanda Palhano-Fontes, Dayanna Barreto, Heloisa Onias et al. 827 citations

Abstract Background Recent open-label trials show that psychedelics, such as ayahuasca, hold promise as fast-onset antidepressants in treatment-resistant depression. Methods To test the antidepressant effects of ayahuasca, we conducted a parallel-arm, double-blind randomized placebo-controlled trial in 29 patients with treatment-resistant depression. Patients received a single dose of either...

A randomized placebo-controlled trial on the antidepressant effects of the psychedelic ayahuasca in treatment-resistant depression

bioRxiv (Cold Spring Harbor Laboratory) January 27, 2017 Fernanda Palhano-Fontes, Dayanna Barreto, Heloisa Onias et al. 22 citations preprint

Abstract Recent open label trials show that psychedelics, such as ayahuasca, hold promise as fast-onset antidepressants in treatment-resistant depression. In order to further test the antidepressant effects of ayahuasca, we conducted a parallel-arm, double-blind randomized placebo-controlled trial in 29 patients with treatment-resistant depression. Patients received a single dose of either...