European Psychiatry
2010
Evelyn Doering-Silveira, Enrique Lopez, Charles S. Grob et al.
Introduction The use of psychoactive substances has been frequently associated with cognitive impairment. More and more people, including adolescents, use the plant hallucinogen beverage “ayahuasca” throughout the world. Long-term ayahuasca use by adolescents might eventually result in impaired cognitive performance. Objective The objective of this study is to assess neuropsychological...
Journal of Psychoactive Drugs
December 1, 2009
Marlene Dobkin De Rios
1 citation
This article examines the evidence for plant hallucinogenic use (possibly Brugmansia, Brunfelsia chiricaspi, Desfontainia R., Anadenanthera peregrina, Banisteriopsis sps, Psychotropia viridis and Virola theidora) by the San Agustin culture, an extinct peoples who resided in the Magdelena River area of Colombia from the third century B.C. until the sixteenth century A.D. Based on thematic...
Journal of Travel Medicine
July 1, 2009
Marlene Dobkin De Rios, Roger Rumrrill
48 citations
One country's sacrament is another's illicit drug, as officials in South America and the United States are well aware. For centuries, a hallucinogenic tea made from a giant vine native to the Amazonian rainforest has been taken as a religious sacrament across several cultures in South America. Many spiritual leaders, shamans, and their followers consider the tea and its main component -...
Greenwood Publishing Group Inc. eBooks
2008
Marlene Dobkin De Rios, Roger Rumrrill
19 citations
One country's sacrament is another's illicit drug, as officials in South America and the United States are well aware. For centuries, a hallucinogenic tea made from a giant vine native to the Amazonian rainforest has been taken as a religious sacrament across several cultures in South America. Many spiritual leaders, shamans, and their followers consider the tea and its main component -...
Anthropology of Consciousness
March 1, 2006
Marlene Dobkin De Rios
Higher Wisdom. Eminent Elders Explore the Continuing Impact of Psychedelics. Roger Walsh and Charles S. Grob eds. Albany, NY: State University of New York Press, 2005. 267 pp. ISBN 0‐7914‐6518‐7. $24.95 (paper); ISBN: 0791465179. $81.50 (hardback).
Journal of Psychoactive Drugs
June 1, 2005
Evelyn Doering-Silveira, Charles S. Grob, Marlene Dobkin De Rios et al.
122 citations
Ritual use of ayahuasca within the context of the Brazilian ayahuasca churches often starts during late childhood or early adolescence. Premature access to psychoactive drugs may represent a risk factor for drug misuse. Conversely, religious affiliation seems to play a protective role in terms of substance abuse. The objective of this study was to describe patterns of drug use in a sample of...
Journal of Psychoactive Drugs
June 1, 2005
Dartiu Xavier Da Silveira, Charles S. Grob, Marlene Dobkin De Rios et al.
111 citations
Ayahuasca is believed to be harmless for those (including adolescents) drinking it within a religious setting. Nevertheless controlled studies on the mental/ psychiatric status of ritual hallucinogenic ayahuasca concoction consumers are still lacking. In this study, 40 adolescents from a Brazilian ayahuasca sect were compared with 40 controls matched on sex, age, and educational background for...
Journal of Psychoactive Drugs
June 1, 2005
Evelyn Doering-Silveira, Enrique Lopez, Charles S. Grob et al.
70 citations
The purpose of the study was to evaluate neuropsychologically adolescents who use ayahuasca in a religious context. A battery of neuropsychological tests was administered to adolescents who use ayahuasca. These subjects were compared to a matched control group of adolescents who did not use ayahuasca. The controls were matched with regards to sex, age, and education. The neuropsychological...
Journal of Psychoactive Drugs
June 1, 2005
Marlene Dobkin De Rios, Charles S. Grob, Enrique Lopez et al.
34 citations
Qualitative research was conducted in Brazil among 28 ayahuasca-consuming adolescents members of the União do Vegetal Church, and 28 adolescents who never used ayahuasca. They were compared on a number of qualitative variables, including vignettes measuring moral and ethical concerns. Psychocultural studies utilizing co-occurences of variables in the realm of qualitative studies are useful in...
J Psychoactive Drugs
June 1, 2005
Marlene Dobkin De Rios, Charles S. Grob
22 citations
(2005). Editors' Introduction: Ayahuasca Use in Cross-Cultural Perspective. Journal of Psychoactive Drugs: Vol. 37, Ayahuasca Use In Cross-Cultural Perspective, pp. 119-121.
Journal of Psychoactive Drugs
June 1, 2005
Marlene Dobkin De Rios
19 citations
Roger Rumrrill, a journalist headquartered in Lima, Peru who is a noted expert on the Peruvian Amazon, interviewed Guillermo Arrévalo, a Shipibo urban shaman in Pucallpa, who utilizes ayahuasca in curing rituals. Sr. Arrévalo comments on the phenomenon known as drug tourism, where urban men and women provide tours for foreigners, for a price, to experience drug-induced mystical experiences in...
Journal of Psychoactive Drugs
June 1, 2005
Marlene Dobkin De Rios, Charles S. Grob
5 citations
A telephone interview was held in November of 2004 with Mr. Jeffrey Bronfman, representative mestre for the União do Vegetal Church in the United States, which utilizes ayahuasca as a religious sacrament. At the time of this writing, the U.S. Supreme Court has agreed to hear a case in which a large quantity of the ayahuasca tea was seized in the U.S. destined for sacramental use in church...
American Journal of Public Health
October 1, 2002
Marlene Dobkin De Rios
35 citations
The author, a medical anthropologist and licensed psychotherapist, draws on a database of 700 Latino immigrant families whom she has treated to demonstrate concepts and techniques of psychotherapeutic intervention that are derived from shamanic roots in the immigrant's original culture. Congruences may exist between the shamanic techniques of the coastal and Amazonian regions of Peru and 3...
Journal of Psychoactive Drugs
2002
Marlene Dobkin De Rios, Charles S. Grob, John R. Baker
58 citations
This article examines drug substitution with regard to hallucinogens (ayahuasca, ibogaine, peyote and LSD) set within the concept of redemption. The model examines both religious and secular approaches to the contemporary use of hallucinogens in drug substitution, both by scientists and in religious settings worldwide. The redemptive model posits that the proper use of one psychoactive...
Journal of Psychoactive Drugs
April 1, 1993
Marlene Dobkin De Rios, Charles S. Grob
" Vine of the Soul: Medicine Men, Their Plants and Rituals in the Colombian Amazonia ." Journal of Psychoactive Drugs, 25(2), pp. 177–178
Journal of Drug Issues
1992
Charles S. Grob, Marlene Dobkin De Rios
49 citations
An analysis is made of adolescent hallucinogenic plant ingestion during initiation rituals among Australian Aboriginal males, Tshogana Tsonga females and among Chumash youth of Southern California. This use pattern contrasts with abusive patterns of drug abuse found among American adolescents. Findings indicate the existence of managed altered states of consciousness in the tribal societies...
Journal of Psychoactive Drugs
1989
Marlene Dobkin De Rios, Michael Winkelman
37 citations
In this article, the issue of shamanism and altered states of consciousness (ASC) is reviewed from a cross-cultural and multidisciplinary perspective. It is suggested that in spite of considerable differences in the uses of these terms, there are conceptual and empirical grounds for distinction among different types of trance practitioners. The authors argue that shamanism is a cultural...
Journal of Psychoactive Drugs
1989
Oscar Janiger, Marlene Dobkin De Rios
29 citations
The effects of lysergic acid diethylamide (LSD) on creativity were examined in a unique experiment in the late 1950's. In this project, artists were asked to draw and paint a Kachina doll both prior to and one hour after the ingestion of LSD. Evaluations of these artistic productions were analyzed by a professor of art history in order to investigate the impact of LSD on artistic creativity....
Medical Anthropology
1984
Marlene Dobkin De Rios
15 citations
This article examines the vidente, or seer phenomenon in the Peruvian Amazon city of Pucallpa, Peru, where fieldwork was conducted in 1977 and 1979. With the discovery of natural opiate-like substances in the body, called endorphins, researchers in the brain sciences were intrigued by man's ability to create his own opiate-like response to pain, ecstacy and stress. Paranormal phenomena, often...
Journal of American Folklore
July 1, 1971
Fred Katz, Marlene Dobkin De Rios
30 citations
Fred Katz, Marlene Dobkin de Rios, Hallucinogenic Music: An Analysis of the Role of Whistling in Peruvian Ayahuasca Healing Sessions, The Journal of American Folklore, Vol. 84, No. 333 (Jul. - Sep., 1971), pp. 320-327
American Anthropologist
December 1, 1970
Marlene Dobkin De Rios
17 citations
The use of the psychedelic vine, ayahuasca (various Banisteriopsis species), in the Peruvian Amazon by mestizo folk healers is related to such variables as cultural expectations of drug experience and belief systems concerning illness. A subjective personal experience inherent in psychedelic use takes on cultural coloration, as determinants of hallucinatory experience show strong relationships...