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Anette Kjellgren

19 papers in the library · 630 citations · publishing 2000-2026

Papers

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Therapists’ Perspectives on the Psychotherapeutic Support in Psilocybin Treatment for Major Depressive Disorder: Insights from a Randomized Controlled Trial

Research Square October 5, 2026 Anette Kjellgren, Johan Lundberg, Hampus Yngwe et al. preprint

Abstract Psilocybin treatment has emerged as a promising intervention for Major Depressive Disorder (MDD). However, the contribution of psychotherapeutic support to treatment outcomes remains unclear. This study explored therapists' descriptions of their work during a randomized, double-blind, placebo-controlled psilocybin treatment phase II trial for MDD. Nine therapists participated in...

Hypnagogia, psychedelics, and sensory deprivation: the mythic structure of dream-like experiences.

Frontiers in Psychology 2025 Andreas Huber, Anette Kjellgren, Torsten Passie

Dream-like and psychedelic experiences often display internally illogical structures. Recent theories propose that these experiences function as "spontaneous offline simulations" related to specific brain processes. This study investigates whether such perceived illogicality reflects a distinct, premodern mode of cognition-commonly referred to as "mythic" cognition-rather than a cognitive...

Twenty percent better with 20 micrograms? A qualitative study of psychedelic microdosing self-rapports and discussions on YouTube

Harm Reduction Journal November 28, 2019 Martin Andersson, Anette Kjellgren 35 citations

Abstract Background Psychedelic microdosing is the trending practice of using tiny repeated doses of psychedelic substances to facilitate a range of supposed benefits. With only a few published studies to date, the subject is still under-researched, and more knowledge is warranted. Social media and internet discussion forums have played a vital role in the growing visibility of the microdosing...

DOI: 10.1186/s12954-019-0333-3 (opens in new tab) Thematic analysis Comprehension Pharmacology Applied psychology

Psychoactive substances as a last resort—a qualitative study of self-treatment of migraine and cluster headaches

Harm Reduction Journal September 4, 2017 Martin Andersson, Mari Persson, Anette Kjellgren 93 citations

BACKGROUND: Treatment resistant cluster headache and migraine patients are exploring alternative treatments online. The aim of this study was to improve comprehension regarding the use of non-established or alternative pharmacological treatments used by sufferers of cluster headaches and migraines. METHODS: A qualitative thematic analysis of the users' own accounts presented in online forum...

Characterizing the experiences of flotation-REST (Restricted Environmental Stimulation Technique) treatment for generalized anxiety disorder (GAD): A phenomenological study

European Journal of Integrative Medicine April 28, 2017 Kristoffer Jonsson, Anette Kjellgren 15 citations

Among the anxiety disorders Generalized Anxiety Disorder (GAD) is currently the most treatment resistant, suggesting that treatment protocols could be enhanced. A promising treatment of GAD is flotation-REST (Restricted Environmental Stimulation Technique), which in earlier studies has been shown to alleviate symptoms in GAD. Although, research on flotation-REST as a treatment of GAD has shown...

DOI: 10.1016/j.eujim.2017.04.011 (opens in new tab) Generalized anxiety disorder Psychotherapist Rest music Clinical psychology +3

Promising effects of treatment with flotation-REST (restricted environmental stimulation technique) as an intervention for generalized anxiety disorder (GAD): a randomized controlled pilot trial.

BMC Complementary and Alternative Medicine March 25, 2016 Kristoffer Jonsson, Anette Kjellgren

During Flotation-REST a person is floating inside a quiet and dark tank, filled with heated salt saturated water. Deep relaxation and beneficial effects on e.g. stress, sleep difficulties, anxiety and depression have been documented in earlier research. Despite that treatments for generalized anxiety disorder (GAD) are effective; it is till the least successfully treated anxiety disorder,...

The users of Novel Psychoactive Substances: Online survey about their characteristics, attitudes and motivations

International Journal of Drug Policy March 23, 2016 Christophe Soussan, Anette Kjellgren 152 citations

BACKGROUND: The increasing number of Novel Psychoactive Substances (NPS) constitutes a challenge for public health agencies and researchers worldwide. Scientific studies about NPS and their users are limited and there is a need to explore the general motivations for NPS use but also to examine if and how the motivations differ between substances from separate effect classes. The aim of the...

Sensory Isolation in Flotation Tanks: Altered States of Consciousness and Effects on Well-being

The Qualitative Report January 14, 2015 Anette Kjellgren, Fransica Lyden, Torsten Norlander 40 citations

A qualitative analysis (The Empirical Phenomenological Psychological method) of interviews involving eight patients (depression, burn-out syndrome, and chronic pain) was carried out in order to obtain knowledge regarding the effects of flotation tank therapy. This knowledge might be helpful for both professionals and potential floaters. The analysis resulted in 21 categories, which were...

DOI: 10.46743/2160-3715/2008.1577 (opens in new tab) Interpretative phenomenological analysis Consciousness Relaxation psychology Pain perception +7

Beneficial effects of treatment with sensory isolation in flotation-tank as a preventive health-care intervention – a randomized controlled pilot trial

BMC Complementary and Alternative Medicine October 25, 2014 Anette Kjellgren, Jessica Westman

BackgroundSensory isolation in a flotation tank is a method known for inducing deep relaxation and subsequent positive health effects for patients suffering from e.g. stress or muscle tensions pains. Very few studies have investigated this method as a preventive health-care intervention. The purpose of this study was to evaluate the effects in healthy participants after receiving a series of...

Harm reduction and knowledge exchange-a qualitative analysis of drug-related Internet discussion forums.

Harm Reduction Journal September 8, 2014 Christophe Soussan, Anette Kjellgren

Background: Novel psychoactive substances (NPS) are continuously and increasingly appearing on the international drug market. Global Internet forums are a publicly available reality where users anonymously discuss and share information about NPS. The aim of this study was to explore and characterize the discussions about NPS on international Internet forums. Methods: The most post-frequent NPS...

DOI: 10.1186/1477-7517-11-25 (opens in new tab) Full text (opens in new tab) Humans Substance-related disorders Psychotropic drugs Information dissemination +4

Methoxetamine (MXE) – A Phenomenological Study of Experiences Induced by a “Legal High” from the Internet

Journal of Psychoactive Drugs July 1, 2013 Anette Kjellgren, Kristoffer Jonsson 75 citations

Methoxetamine (MXE), a ketamine analogue, is one of the new "legal highs" sold on the Internet. The aim of this qualitative study was to provide an initial understanding of what characterizes the experiences induced by MXE. Anonymously written reports (33 persons) on the effects of MXE were collected from public Internet forums and analyzed using the Empirical Phenomenological Psychological...

Fascination and Social Togetherness-Discussions about Spice Smoking on a Swedish Internet Forum.

Substance abuse : research and treatment 2013 Anette Kjellgren, Helena Henningsson, Christophe Soussan 37 citations

Spice is a smoking mixture containing synthetic cannabinoids with psychoactive effects similar to herbal cannabis. It is sold on the Internet and has become popular among young people. The purpose of the present study was to investigate experiences of intoxication induced by Spice, as described on a Swedish internet-based discussion forum. A systematic search yielded 40 reports, which were...

Heaven and Hell—A Phenomenological Study of Recreational Use of 4-HO-MET in Sweden

Journal of Psychoactive Drugs July 1, 2011 Anette Kjellgren, Christophe Soussan 52 citations

The psychoactive substance 4-HO-MET (4-hydroxy-N-methyl-N-ethyltryptamine) with psychedelic qualities is one of many legal so-called Internet drugs. The aim of this qualitative study was to establish an understanding of what characterizes its recreational use. Very little is known about the effects of this substance. Twenty-five anonymous Swedish experience reports (from persons aged 18-30...

Altered States During Shamanic Drumming: A Phenomenological Study

International Journal of Transpersonal Studies July 1, 2010 Anette Kjellgren, Anders Eriksson 20 citations

This study investigated the experiences gained from a 20-minute shamanic-like drumming session. Twenty-two persons participated and made written descriptions afterwards about their experiences. A phenomenological analysis was applied which generated 31 categories, that were organized into six themes: 1) The undertaking of the drumming journey, 2) Perceptual phenomena: visual, auditory and...

Experiences of Encounters with Ayahuasca—“the Vine of the Soul”

Journal of Psychoactive Drugs December 1, 2009 Anette Kjellgren, Anders Eriksson, Torsten Norlander 97 citations

Ayahuasca is a psychoactive brew used by the indigenous populations of the Amazon. The aim of this qualitative study was to gain insight into the experiences of western users of ayahuasca, as well as to ascertain the experienced meaning that participants felt by their participation. Twenty-five people from Northern Europe with experiences of group sessions with ayahuasca wrote anonymous...

DOI: 10.1080/02791072.2009.10399767 (opens in new tab) Ayahuasca Transcendental number Spirituality Indigenous +6

Wellness through a comprehensive yogic breathing program - a controlled pilot trial.

BMC Complementary and Alternative Medicine December 19, 2007 Anette Kjellgren, Sven A Bood, Kajsa Axelsson et al.

Background: Increasing rates of psychosocial disturbances give rise to increased risks and vulnerability for a wide variety of stress-related chronic pain and other illnesses. Relaxation exercises aim at reducing stress and thereby help prevent these unwanted outcomes. One of the widely used relaxation practices is yoga and yogic breathing exercises. One specific form of these exercises is...

Altered consciousness in flotation-REST and chamber-REST: Experience of experimental pain and subjective stress

January 3, 2004 Anette Kjellgren, U. Sundequist, Ulla Sundholm et al.

Twenty-three sportsmen were given one 45-minute exposure to flotation-REST and one exposure to chamber-REST on two occasions, incorporating random assignment to either flotation-REST followed by chamber-REST or vice versa. On each occasion, the Restricted Environmental Stimulation Technique (REST) procedure was followed immediately by testing experimentally induced pain to one arm using a blood...

Psychedelic Drugs: A Study of Drug-Induced Experiences Obtained by Illegal Drug Users in Relation to Stanislav Grof's Model of Altered States of Consciousness

Imagination, Cognition and Personality September 1, 2000 Anette Kjellgren, Torsten Norlander 14 citations

The purpose of this study was to provide information about experiences obtained by illegal drug users and evaluate if these are consistent with Stanislav Grof's expanded model of the human unconscious. Sixteen anonymous former drug users answered a questionnaire about use, experiences, circumstances, and influences of their life. All of them have had some experiences similar to Grof's...