OPEN Foundation

Humanities & Art

Dutch Psychedelic Practices Shaped by Culture and Law


From the Field: Lessons from psychedelic practices in the Netherlands is a blog series based on my qualitative research at the Rijksuniversiteit Groningen in collaboration with the OPEN Foundation. The study focused on the conception and practice of safe and beneficial use of psychedelics in group settings in the Netherlands: more specifically in counterculture, ayahuasca ceremonies and truffle retreat centers. Based on interviews with experienced practitioners, the series highlights and connects diverse aspects of psychedelic practices, from cultural influences through ethics to sensory stimuli.

Part 1: Lessons on Psychedelic Harm Reduction with PsyCare NL – From the field
Part 2: Dutch Psychedelic Practices Shaped by Culture and Law (current post)


As I delved into psychedelic research, it surprised me how few studies paid attention to experienced practitioners and the established practices they follow. To date, most research is concerned with future clinical therapeutic applications. In fact, the image of psychedelics as medication for mental health issues has by now become so prevalent, that the faculty did not see how psychedelics could be relevant for a thesis in Cultural Leadership. While psychedelics may become prescribed medications in the future, they have a rich cultural past and present. They stand at the heart of multiple indigenous cultures, the counterculture of the 1960’s and contemporary events like Burning Man; they were inspirational to the creation of numerous artworks in all artistic genres. And they are central to the lives of certain individuals and communities, here in the Netherlands too. 

Pairing with OPEN, we wanted to get an idea of how the current Dutch scenery looks like. As the field grows and more practices appear, we were wondering which existing group practices around the use of psychedelics are facilitated in the Netherlands (Q1). In addition to this bird’s-eye view, we dived deeply into the details of psychedelic practices with the help of well-known and esteemed practitioners. Our focus was on how facilitators envision and practice safe and beneficial use of psychedelics (Q2). To answer the first question, a survey was sent to the members of OPEN (n=112), inquiring about the practices they know and how they can be classified. For the second question, 60-90 minute interviews were conducted with facilitators. This article reviews the study itself, its main theoretical framework, set and setting, and the general Dutch context – the setting in which the practices and the study take place.

Academic approaches and muddy realities of psychedelic practices

In the academy, we strive to be exact: research questions need to be specific, categories methodically outlined, concepts accurately defined. To me, one of the fascinating things about psychedelics is that they do not fit neatly into any ontological box. They stand at various conceptual intersections, like body and mind, science and spirituality, individual and community, and highlight the boxes themselves. What we see is a reflection of our own thinking patterns in our striving to make sense of the world. In other words, we are constantly reminded that the map is not the territory

Being aware of this tension, my questions related to a psychedelic ‘practice’, in its simplest definition – the usual way of doing something. Instead of using ontological labels, like ‘recreational’, ‘therapeutic’ and ‘spiritual’ use in the survey, I opted for real-life vocabulary: psychedelic parties and events, retreat centers and ceremonial settings. The survey results confirmed my hypothesis that these were the three most prevalent ones in the Netherlands. Subsequently, interviews were conducted with eight experienced facilitators: three ayahuasca ceremony leaders, two retreat guides and three prominent figures in a psychedelic countercultural institution. Albeit my efforts to avoid definitions, I still had three supposedly distinct categories in my head. 

As the interviews unfolded, the outlines of these categories started getting blurry. For example, practices employed by the ayahuasca practitioners proved to be very different from one another, ranging from shamanic traditions to Western psychology frameworks. So the joint label ‘ayahuasca ceremony’ seemed to convey very little information beyond the drinking of ayahuasca. Some ceremonies shared more elements with retreat centers’ practices than with each other. So how can practices be distinguished from one another? What are the most important elements? This was the focus of one question in the survey. Respondents were given options like ‘the type of substance’, ‘the philosophy behind the practice’, ‘the setting’, and had to rate their significance to classification. So, for example, if ‘the type of substance’ was rated as the highest, it would make sense to have ‘ayahuasca ceremony’ as a separate category. However, the results only made things more complex: all suggested options were rated as almost identically important for the definition of practices and their classification.

The more I learned, the less sense it made to try and define the practices, certainly by relating to their differences. In addition to diversity between facilitators, many of them talked about changes within their own practice over time, so even the best of classifications was bound to lose its accuracy shortly in this vibrant and newly-awakened field. ‘Take your eyes off the map!’ I had to remind myself, ‘how does the territory look like?’ Then something appeared: some elements were brought up by all (or most) interviewees. So I chose to focus on the commonalities between practices, in a unifying rather than separative approach. Which elements are shared by all practices? What makes them so special that they were highlighted by all facilitators, and how do they contribute to safe and beneficial use of psychedelics?

The Dutch psychedelic Context: Sociocultural Set and Setting

Before taking that trip, let us pause to observe the context of the practices and the study. According to the theory of set and setting, psychedelic experiences are shaped by the setting in which they take place: the physical environment with all its components, and by the mindset of the person taking them, including their intentions, personality traits, etc. This is also true for ordinary human experience, since as Gregory Bateson noted, the phenomena of context and meaning are closely related. But during psychedelic experiences, these connections are enhanced. While many think of set and setting as immediate parameters confined in space and time, the concept has been broadened to include one’s sociocultural context and even the collective one. They can be thought of as different scales of influence on one’s experience. Taking the ayahuasca ceremony example, the ceremony itself would be part of the immediate set and setting, as well as where it is held, the other participants, my intentions and my mood on that day. On another scale, my cultural background plays a tremendous part: am I Dutch? Indigenous? How does my culture frame hallucinations? When I go back home after the ceremony, can I discuss my experience with family and friends? What language would be used to describe it? How does my culture conceive of reality? 

Legal entanglements

Where substances other than (psilocybin containing) truffles are concerned, illegality is part and parcel of the set and setting, influencing people’s experiences and the practice as a whole. This is why many retreat centers use truffles, offering both facilitators and participants a legal setting. When I was discussing challenging situations with a retreat guide, they shared a story about a participant who felt unsafe, as if held against their will. A worried friend and some misunderstandings ended in the police being called. When they arrived, it appeared that everyone was safe, the participant was free to leave, and no illegal activity was being committed. Had this happened during an ayahuasca ceremony, the exact same situation could have had significant consequences for the facilitators, the institution they represent and the hosting ground.

The legal situation has practical implications which go far beyond the rare ‘what if’ scenario. Operating in a legal environment, retreat centers often publish educational material on their websites, and their ‘about’ section can include the names, photos and bios of the team. With a few exceptions, facilitators of ayahuasca ceremonies typically work ‘underground’: the ayahuasca-related content is hidden on a password-protected part of their website, if they even have one. Some work with newsletters, carefully distributed among trusted individuals. General non-drug-related descriptions have to be used for payments; finding locations can be tricky. Above ground, producers of countercultural events often relate to drugs as the three wise monkeys: “see not, hear not, speak not”; the mushrooms on the invitation are only decorative.

Prohibition has consequences for participants’ safety as well. In counterculture, it concerns the limitation of prevention and harm-reduction practices. Some festivals, like Boom in Portugal, offer participants drug-testing services. This is because drugs may be cut using other, sometimes dangerous chemicals. If a pattern is discovered, all festival participants receive a message to their phone, alerting them of potential harmful drugs on the terrain. While drug-test services are available for the public all over the Netherlands, they are prohibited on festival grounds. The recently founded PsyCare NL is a new development in the field. Based entirely on volunteer work, the bottom-up harm reduction initiative supplies a safe haven for festival-goers in need.

Participants’ safety in the ceremonial setting benefits from well-informed facilitators and ethical practices. In an unregulated sea, where every facilitator is an island, this becomes difficult even for the best-intentioned practitioners. Here as well, it is mitigated by a bottom-up Dutch initiative. Liaan makes place for ayahuasca ceremony leaders to meet, share their experience, raise questions and doubts, and learn from each other. In the absence of formal guidelines, the network allows them to create professional standards inside the community.

Let’s talk about [beep]: conducting ethical research

Legal entanglements have consequences for research and education as well. To abide by the EU GDPR, survey respondents were asked not to include names or other personal information of practitioners and institutions involved with psychedelics. Only publicly available information, like websites, was allowed. This obviously had an effect on our ability to answer question 1, which existing group practices around the use of psychedelics are facilitated in the Netherlands, for any underground practice had to remain underground.

Most interviewees – facilitators with years, often decades of experience – preferred to preserve their and their institutions’ anonymity. Ultimately, the university’s Ethics Committee required that anonymity be granted to all interviewees without exception. My initial intention to present and discuss the research results with some of the interviewees in an OPEN online event proved unrealistic for that same reason. Instead, I am writing this series, in which my voice is the only one heard.

Culture is not your friend: The works of public image

During preparatory conversations with interviewees, it became clear that none of them were afraid of criminal consequences. Dutch drug policy and law enforcement are considered relatively tolerant. Festivals even work collaboratively with the police, with a mutual understanding that psychedelic drugs do not pose a threat to the safety of visitors. But practitioners know that cultural bias can be stronger than both science and the law. Alcohol is probably the best drug to demonstrate that. The WHO recently published that “2.6 million deaths per year were attributable to alcohol consumption, accounting for 4.7% of all deaths”, and yet not only is alcohol legal, it is completely socially-accepted, it is the norm.

During my PsyCare training last summer, the head of the First Aid services explained that they consider the festival a low profile event. Typically, his team might have to treat two serious medical cases during a five-day long festival, whereas at an average city marathon some 50 people might be rushed to a hospital. Comparing this statement against the public image of psychedelic festivals and that of sport events organized by municipalities, blew me away. But what hit me even harder was my colleagues’ and my own surprise at this, which demonstrated just how powerful public images can be; and that being knowledgeable and even working in the field does not spare you their effect. In a recent episode of Psychedelics Today, Rick Doblin talks about why he thinks Lykos and MAPS failed to get FDA approval for MDMA-assisted therapy for PTSD. A big part of it was their assumption that science was more important than culture, underestimating the impact of media and public opinion on the FDA.

Regulation is also conducted by civil bodies deterred by the stigma around drugs. Among the interviewees, one institution was afraid of losing its permit if the municipality associated it with drugs. Another had already lost its bank account due to the same reasons, and feared losing their new one, or worse, being blacklisted by all banks in the Netherlands. At the same time, the Dutch government is making impressive steps towards regulating therapeutic use of MDMA, and perhaps other psychedelics in the future. If psychedelic-assisted therapies become legal, it will surely help in changing public opinions around these substances. However, if they are prescribed as medications and boxed in a clinical setting, most of the study participants might remain in illegal territory rather than becoming the leading voices of this change.

These trends do not exist in a vacuum. They are part of even larger cultural contexts: Dutch, European and Western culture(s), and ultimately the world in which we live in. Dutch practices are part of similar psychedelic practices taking place in other parts of the world and in other times in history. Currently, they are hosted against the backdrop of neoliberalism, capitalism, globalization, secularization, the climate crisis, technology and digital culture, the mental health crisis, and what John Vervaeke described more globally as the meaning crisis. Keeping this broad gaze in mind, the coming articles will zoom into the practices themselves. They will focus on the role of music, nature, sensory stimuli (or lack thereof), agency, care and community; the seemingly separate components shared by all the studied practices.

Lessons on Psychedelic Harm Reduction with PsyCare NL – From the field

“From the Field: Lessons from Psychedelic Practices in the Netherlands” is a new blog series stemming from my qualitative research at the Rijksuniversiteit Groningen in collaboration with the OPEN Foundation. The study focused on the conception and practice of safe and beneficial use of psychedelics in group settings in the Netherlands—specifically in the counterculture, ayahuasca ceremonies and truffle retreat centers. Based on interviews with experienced practitioners, the series highlights and connects diverse aspects of psychedelic practices, such as cultural influences, ethics, philosophical beliefs, rituals and sensory stimuli. This article is based on my personal experience as part of a new PsyCare NL team, launched last summer (2024) at a festival in the Netherlands.

The Launch of PsyCare NL: Safe Psychedelic Substance Use at Festivals

The PsyCare facility is a calm, safe, cozy and grounding environment for participants in need, playing a crucial role in prevention and harm reduction at festivals where psychedelic substances are commonly used. Visitors are welcomed by experienced psychedelic peer support “sitters” with a deep understanding of mind-altering substances and a relaxed, non-judgmental approach towards difficult and challenging experiences. Ideally, a team is composed of sitters with different professional backgrounds, gender, personality and language skills to ensure the most appropriate support for all visitors.

PsyCare NL was restarted by Cato de Vos following years of volunteer work with international psychedelic support services like Kosmicare at Boom Festival. Developed with her colleague and friend Raoul Koning (who, like Cato, is part of the OPEN team), the pilot was implemented with a team of 11 members. In total, we received 41 guests over three days. Most cases were drug-related and, typical to a festival environment, involved a variety of drug types and doses, with a dominance of LSD. Other cases involved general agitation or overwhelming feelings from the festival. Some guests could not communicate their feelings or which substances they had consumed (if any). Looking back at the stats reveals strong diversity in other parameters as well, such as how guests arrived at PsyCare or for how long they stayed.

So, how can you help someone through a challenging experience with such a wide variety of cases?

Creating a Safe Haven: The Role of Psychedelic Support Services

With the exception of medical issues—which are determined by the First Aid team—we hardly followed any strict protocols. There are handy guidelines, training and even manuals for this complex and challenging work, but much of it is carried out in an intuitive manner. Like humor or the psychedelic experience itself, this sort of knowledge does not lend itself easily to words and numbers. Nevertheless, in this article, I will highlight essential aspects of PsyCare practice as they emerged from our collaboration with First Aid, feedback from guests and visitors and my own experience as a participant-observer and part of the team.

the core of psychedelic Harm Reduction: Being Present

Being present is probably the single most important element of PsyCare, and it begins with the place itself. The festival production supplied us with a Moroccan tent and a yurt, which we made cozy and aesthetic. With mattresses spread around, warm lighting and decoration, PsyCare became both a part of the festival and a peaceful haven away from it. This already had an effect, as by-passers stopped to take a look inside and ask about PsyCare. Some mentioned that they were relieved to know it’s there. 

Festivals with an established PsyCare tend to offer a 24 hour per day service. In this pilot, our official opening hours were from 16:00 to 8:00, with the night hours (1:00-6:00) being the busiest. In practice, we never said ‘no’ to someone in need, and at 10:30 in the morning we welcomed our first guest. We often remind our guests that drug effects are temporary, or as the wise old saying goes: “this too shall pass”. Yet different drugs – and people – require different amounts of time. Guests’ duration of stay throughout the pilot varied from 5 minutes to 14 hours, with an average stay of 3 hours per guest.

Being present in space and time extends to the personal. Often the most meaningful thing you can do for someone who is overwhelmed is just to be there; to stay with them through this difficult moment, fully present with your attention, patience and calm, no matter what comes. Applied within the PsyCare team as well, mutual care and team spirit were vital to the success of the pilot. 

    Community Values: “Psychedelic Peer Support”

    Festivals in this counterculture make room for spontaneity, experimentation, rule-bending and non-conformist behavior. PsyCare emerged from within this community and seems to share with it some core values that came up during my interviews, like non-judgment. In PsyCare, this is applied as refraining from value judgments of people’s experiences, behaviors, thinking processes, or beliefs. Each person’s freedom and autonomy are respected—a principle overridden only in case of imminent risk to oneself or others.

    Embracing Equality and Non-Hierarchy

    The principle of equality, or non-hierarchy, is another unique feature of PsyCare stemming from counterculture. As volunteers in their own community, PsyCare sitters do not operate from a position of superiority or authority in relation to visitors. They are temporarily holding space for temporary “guests”, as their name suggests. This approach carries a multitude of implications. For example, a guest can bump into their sitter from yesterday at the bar or on the dancefloor. Furthermore, yesterday’s sitter can become today’s guest. Accepting such potentialities involved conscious discussions among the team: how do we ensure guests’ privacy? Are we ‘sitters’ outside our shifts? What does this mean in practice?

    On the last evening of the festival, I met a guest with whom I spent three hours in the PsyCare tent. Our guideline in such cases is to let the guest determine what happens. They smiled at me and stretched their arms for a hug. We chatted and danced together for a bit, and then they moved on. For me, this short incidental encounter on the dancefloor supplied closure and reinforced our positions as fellow festival-goers.

    Such liminal cases are exactly where non-judgement and non-hierarchy shine, and have the power to turn an otherwise awkward or embarrassing situation into a meaningful, connecting and supportive event.

    Awareness of Shame and Vulnerability

    Coming to PsyCare requires admitting to being in need, a feeling which can be challenging for many in itself. Guests may realize that they have taken more than they can chew or even completely lost control. Exposing “weakness” is never easy, but in small communities where many people know each other, shame can become a real barrier. Considering these complexities, any authoritative position, even of ‘a professional’ or a ‘responsible adult,’ is unlikely to contribute to PsyCare as a safe haven. This is why, where other emergency services typically wear a uniform, we wore our regular (low-key) festival clothes and a name tag with a little heart on it.

    Early on in the festival, I was called to check on a disoriented person and try to bring them to the PsyCare facility. Despite their highly confused condition, I managed to establish trust and we were quickly holding hands on our way to the PsyCare tent. At the same time, a First Aid worker in uniform approached us and asked if everything was alright. The guest’s state of mind changed instantly. They released their hand from mine, flinched and asked anxiously: “Did I do anything wrong?”

    Following this case, we came to an agreement with the First Aid staff that they remove their jackets before entering PsyCare, notwithstanding their white uniform was chosen for its non-intimidating character. This policy was found useful by both teams.

    Embracing Care: The Heart of PsyCare

    Here is how Ann Shulgin described the ideal MDMA therapist back in 1995:

    “[S/]he has to be able to feel something very close to love for the person [s/]he is guiding. There should be real caring and it cannot be simply an intellectual concern for the client’s welfare; it must be deeper than that, at the gut level.”

    The relatively long experience with mind-altering substances in counterculture is often disregarded or looked down upon by academics, even those studying psychedelics. Some of it is pure stigma, but there is also a genuine conflict of approaches. As PsyCare sitters, we benefit from ‘subjective’ experiences at least as much as from ‘objective’ facts. Both theory and metaphor were used in our training and we followed values and approaches more than rules and protocols. Above all, PsyCare takes place in a vibrant, dynamic and sometimes chaotic setting, which is almost the opposite of a ‘controlled environment.’

    The fear of intellectual uncertainty and making mistakes cannot be entirely avoided, but PsyCare consciously makes room for other ways of knowing. To describe positive attributes of an effective sitter, our training instructor Daan Keiman, who leads OPEN Foundation’s upcoming education programme in psychedelic therapy, shared the following metaphor:

    If a person is immobile, shut, or stiff like a rock, we should be soft and fluid like water. If they are floating and formless like water, we would have to be their rock.

    Furthermore, presence and care ought to be practiced delicately: sitters do not attempt to pull guests out of their experience but offer them a hand to grab on. Curiously, it’s the little things that have the greatest impact: a welcoming smile, a cup of tea, a blanket, holding someone’s hand, offering a hug, listening to their story, laughing with them.

    In one word: Care.

    An attuned caring presence can turn loneliness into a feeling of being held, and a nightmare into a meaningful experience. Like ‘love’, ‘care’ might be difficult to define or even comprehend intellectually; but luckily, this is not necessary in order to give it. Being in a festival setting, I could not help but think of it in terms of the dance floor: there are no steps, but if you listen carefully to the music and let it guide you, there will be a dance.

    Continuing the Conversation on Psychedelic Support in Recreational Settings

    A broader look at PsyCare will be discussed in an upcoming OPEN event (3.10.24) moderated by PsyCare NL founder Cato de Vos and featuring international Psychedelic Support Services experts Amanda Guzinska (PsyCare UK) and Valerie Beltrán (Zendo Project). Click below to register.


    Looking back on ICPR 2024 – the leading interdisciplinary conference on psychedelic research

    It’s been 2 months since the leading conference on psychedelic research in Europe, ICPR 2024, took place in Haarlem, the Netherlands. Despite having taken steps to integrate it all, the OPEN foundation team has accepted that we still lack the words to convey what the whole event felt like and meant to us.

    Pia Dijkstra – Minister of Healthcare, The Netherlands – Opening ICPR 2024

    From combating prejudice and stigma back in 2007 to having not one but two subsequent Ministers of Healthcare lining up to inaugurate ICPR, our mission to advance psychedelic research to benefit science, healthcare and society has come a long way.

    At ICPR 2024, we had it all, from Minister from the Netherlands, Pia Dijkstra’s moving opening speech to the heartfelt realities shared by trial participants Maryam Zahra Jabir and Patty B., the Wet Blanket Award for presentations representing rigor and critical thinking’ awarded to Dr. Jamila Hokanson, M.D, MBA, the kind of deep thinking showcased by Leor Roseman, Erik Davis’ magnificent storytelling and accompanying visuals, the important discussions around decolonization curated by Yogi H., and so so so much more.

    Access ICPR 2024 talk recordings & more

    You might imagine why the OPEN Foundation & ICPR team was unable to attend most talks on-site. Yet, via the high-quality recordings (more on this will follow), we didn’t miss out. What we saw was consistently great.

    Immense effort went into crafting ICPR’s mind-blowing programme. And no doubt those efforts have been worth it. ICPR embodied the true spirit of interdisciplinarity: from clinical trial design, neuroscience, archaeology, integration, psychotherapy, adverse events, spirituality, literary analysis—it was all there.

    The programme and ICPR 2024 fulfilled their purpose: to gather and facilitate conversation and connection between open-minded, committed, curious, and caring individuals whose collective perspective creates a critical and constructive narrative for what psychedelics mean moving forward in 21st-century Europe.

    Vibrant lunch breaks @ICPR

    We are honored and humbled by the ICPR 2024, the progress in the field of psychedelic research and therapy, and what lies ahead. Lastly, gratitude. Gratitude, for our co-creation, persists. Fortunately so, as it’s our fuel to do our part in this ongoing process of integrating psychedelics safely and responsibly into healthcare and society.

    Thank you,
    The OPEN & ICPR team

    And please, a big applause for….. the rockstar volunteers who made ICPR 2024 possible!

    Access ICPR 2024 talk recordings & more

    SUSTAINABILITY & RECIPROCITY

    Art by Aine Design 

    We are extremely happy to be able to socialise with all of you soon at ICPR 2022. Yet we are fully aware of multiple ongoing crises right now. Out of care and concern for our living environment and other species, we decided to reduce ICPR’s ecological footprint per person compared to earlier conferences.

    We have opted for vegetarian, mostly organic meals, have created a digital conference booklet instead of a printed one, and have dispatched with the tradition of physical swag bags.

    We also reduced our oversees marketing, introduced livestream-tickets (including scholarship tickets) and have now started a fundraiser to compensate for the conference’s carbon footprint and to give back to the cultures whose knowledge informs psychedelic science today.


    Green fundraiser
    To compensate for the travel emissions involved in getting speakers and attendees to Haarlem, we have launched a fundraiser through One Tree Planted. OPEN will ‘plant’ the first few thousand trees, and we hope to triple or quadruple that number with your help. Go to our fundraiser on One Tree Planted to contribute.

    One Tree Planted is a non-profit organization focused on global reforestation. Your donation is tax-deductible.

    Reciprocity fundraiser
    We acknowledge and honor the responsible relationships that indigenous peoples have forged with psychedelic plants over the past centuries. We recognize that the Global North benefits from their knowledge, and we believe that it is critical to support the organizations working to conserve the biocultural communities that have taught – and continue to teach – the rest of the world about how entheogenic plants can benefit individuals and societies. 

    Our partners at the Chacruna Institute recently launched the Indigenous Reciprocity Initiative, which we applaud and want to support with a second ICPR fundraiser. Please consider donating if you feel that you have benefited from psychedelics in any way.

    The Indigenous Reciprocity Initiative (IRI) is a community-directed biocultural conservation program connecting directly with grassroots Indigenous organizations with the aim of ‘giving back’ to the cultural regions that support indigenous plant use and knowledge. IRI created a pool of funds that supports Indigenous initiatives with a proven track record, addressing a broad range of efforts from food security and environmental health, to economic and educational support.

    IRI strives to foster a relationship of reciprocity between the rapidly growing industry generated by the mainstreaming of psychedelics in the Global North, and the Indigenous peoples who have historically received little benefit from the commercialization of their cultural and biological heritage. 

    No swag bags, but…
    We’re not handing out notepads and swag bags anymore, so we kindly request that all attendees bring their own writing gear. But, of course, we will not let our guests go home entirely empty-handed either! There will be some surprises that do not cause unnecessary garbage.

    The Psychedelic Experience: A Manual Based on The Tibetan Book of the Dead

    The Psychedelic Experience: A Manual Based on The Tibetan Book of the Dead. Timothy Leary, Ralph Metzner, and Richard Alpert. Penguin Books. ISBN: 978-0141189635

    The authors process the concepts of death and rebirth presented in Tibetan Book of the Dead as a metaphor for the experience of ego death or depersonalization that is commonly experienced under the influence of psychedelic drugs. The book also describes broadening spiritual consciousness through a combination of Tibetan meditation techniques and psychotropic substances.

    Buy this book through bookdepository.com and support the OPEN Foundation

    The Electric Kool-Aid Acid Test

    The Electric Kool-Aid Acid Test. Tom Wolfe. Transworld Publishers. ISBN: 978-0552993661

    Wolfe presents a firsthand account of the experiences of Ken Kesey and his band of Merry Pranksters, who traveled across the US in a colorfully painted school bus became famous for their use of psychedelic drugs such as LSD in order to achieve expansion of their consciousness. This book has long been considered one of the greatest books about the history of the hippie movement.

    Buy this book through bookdepository.com and support the OPEN Foundation

    LSD, My Problem Child

    LSD, My Problem Child. Albert Hofmann. Oxford University Press. ISBN: 978-0198840206

    In a highly candid and personal account, the father of LSD details the history of his “problem child” and his long and fruitful career as a research chemist. An essential read for anyone wanting to learn about how LSD originated and Hofmann’s view on its transition to recreational use.

    Buy this book through bookdepository.com and support the OPEN Foundation

    The Evolved Psychology of Psychedelic Set and Setting: Inferences Regarding the Roles of Shamanism and Entheogenic Ecopsychology

    Abstract

    This review illustrates the relevance of shamanism and its evolution under effects of psilocybin as a framework for identifying evolved aspects of psychedelic set and setting. Effects of 5HT2 psychedelics on serotonin, stress adaptation, visual systems and personality illustrate adaptive mechanisms through which psychedelics could have enhanced hominin evolution as an environmental factor influencing selection for features of our evolved psychology. Evolutionary psychology perspectives on ritual, shamanism and psychedelics provides bases for inferences regarding psychedelics’ likely roles in hominin evolution as exogenous neurotransmitter sources through their effects in selection for innate dispositions for psychedelic set and setting. Psychedelics stimulate ancient brain structures and innate modular thought modules, especially self-awareness, other awareness, “mind reading,” spatial and visual intelligences. The integration of these innate modules are also core features of shamanism. Cross-cultural research illustrates shamanism is an empirical phenomenon of foraging societies, with its ancient basis in collective hominid displays, ritual alterations of consciousness, and endogenous healing responses. Shamanic practices employed psychedelics and manipulated extrapharmacological effects through stimulation of serotonin and dopamine systems and augmenting processes of the reptilian and paleomammalian brains. Differences between chimpanzee maximal displays and shamanic rituals reveal a zone of proximal development in hominin evolution. The evolution of the mimetic capacity for enactment, dance, music, and imitation provided central capacities underlying shamanic performances. Other chimp-human differences in ritualized behaviors are directly related to psychedelic effects and their integration of innate modular thought processes. Psychedelics and other ritual alterations of consciousness stimulate these and other innate responses such as soul flight and death-and-rebirth experiences. These findings provided bases for making inferences regarding foundations of our evolved set, setting and psychology. Shamanic setting is eminently communal with singing, drumming, dancing and dramatic displays. Innate modular thought structures are prominent features of the set of shamanism, exemplified in animism, animal identities, perceptions of spirits, and psychological incorporation of spirit others. A shamanic-informed psychedelic therapy includes: a preparatory set with practices such as sexual abstinence, fasting and dream incubation; a set derived from innate modular cognitive capacities and their integration expressed in a relational animistic worldview; a focus on internal imagery manifesting a presentational intelligence; and spirit relations involving incorporation of animals as personal powers. Psychedelic research and treatment can adopt this shamanic biogenetic paradigm to optimize set, setting and ritual frameworks to enhance psychedelic effects.

    Winkelman M. J. (2021). The Evolved Psychology of Psychedelic Set and Setting: Inferences Regarding the Roles of Shamanism and Entheogenic Ecopsychology. Frontiers in pharmacology, 12, 619890. https://doi.org/10.3389/fphar.2021.619890

    Link to full text

    The rise, fall, and possible rise of LSD

    Abstract

    LSD and other hallucinogens or psychedelics have been therapeutically used in psychiatry in the period between the Second World War and the late 1980s. In the past years renewed interest in the medical sciences for research and therapeutic use of these substances has evolved. AIM: A discussion of contemporary lsd research in the context of earlier research. METHOD: A systematic survey of the literature on the psychiatric use of lsd and the reactions towards lsd use in society. RESULTS: Since 1947 lsd has been therapeutically used in the treatment of anxiety, depression, addiction, post traumatic disorders, and other conditions. Since the early 1960s this use has been criticized because of the danger of evoking psychoses in patients, and because of the rise of a widespread non-medical use. However, there is no consolidated evidence-base for either the positive or the negative outcomes of lsd therapy. CONCLUSION: At this moment it is unpredictable whether lsd will make a comeback in psychiatry. Contemporary research attempts to evade all public controversy and to build up a solid evidence-base. Nevertheless it demonstrates a direct continuity with earlier research.

    Snelders, S., & Pieters, T. (2020). The rise, fall, and possible rise of LSD. Tijdschrift Voor Psychiatrie62(8), 707-712.
    Link to full text

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