Objectives: The archaeological, ethno-historical and ethnographic evidence of the use of hallucinogenic substances in Mesoamerica is reviewed. Results: Hallucinogenic cactus, plants and mushrooms were used to induce altered states of consciousness in healing rituals and religious ceremonies. The Maya drank balché (a mixture of honey and extracts of Lonchocarpus) in group ceremonies to achieve...
NeurologíaMay 3, 2019S. García-Ptacek, D. García Azorín, R. Sanchez Salmador et al.
Resumen: Introducción: Las alucinaciones son frecuentes en la práctica clínica y presentan una incidencia poblacional de hasta el 38,7%. El objetivo del estudio es determinar la prevalencia de percepciones aberrantes entre jóvenes sanos de nuestro entorno. Sujetos y métodos: Estudio observacional entre estudiantes de 3.° a 6.° curso de medicina de la Universidad Complutense de Madrid, que...
All human experiences, including mystical and religious ones, are the result of brain functional activity. Thanks to the study of cases of ecstatic epilepsy with structural (MRI) and functional neuroimaging (fMRI, PET, SPECT) and neurophysiological technologies (recording and stimulation with intracranial electrodes), we now have a better knowledge of certain mental states which involve...