Consumo prehispánico de sustancias psicoactivas en el norte de Chile sugiere redes tempranas de intercambio con el altiplano central y la amazonía

In order to contrast the hypothesis of the existence of a vast cultural exchange network between the Amazon Region, the Central Altiplano and the Pacific coast, the archeological evidence related to the consumption of psychoactive substances in Northern Chile is examined. The avail-able evidence is interpreted configuring some propositions concerning the manners of handling and the possible pharmacotherapy associated to the consumption, to place this praxis in a more specific cultural geographical and chronological context.