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 FIG. 7 (left): Bowl with  
 warrior with primrose  
 shield. 
 Mimbres, New Mexico.  
 AD 850–1150. 
 Terracotta. D: 22.5 cm. 
 Acquired in 1924 by the Peabody  
 Museum Expedition, C. B. and H. S.  
 Cosgrove, directors. 
 Peabody Museum of Archaeology  
 and Ethnology, Harvard University,  
 inv. 24-15-10/94584. 
 Photo © 2018 President and Fellows  
 of Harvard College, Peabody  
 Museum of Archaeology and  
 Ethnology, Harvard University. 
 FIG. 8 (above):  
 Bowl with agricultural  
 scene.  
 Mimbres, New Mexico.  
 AD 850–1150. 
 Ceramic. D: 24 cm. 
 The Fine Arts Museums of San  
 Francisco, gift of the Thomas W.  
 Weisel Family to the Fine Arts  
 Museums of San Francisco,  
 inv. 2013.76.79. 
 Photo © 2018 The Fine Arts  
 Museums of San Francisco. 
 smaller settlements outside the valley, and they  
 may have adopted the pottery production styles  
 of surrounding regions.  
 In 1976 Berlant co-founded the Mimbres Foundation, 
  which was dedicated to the protection of  
 Mimbres sites and to the study of Mimbres art.  
 Both he and Maurer have focused on Mimbres  
 painted designs since the mid 1970s, being particularly  
 drawn to the seemingly non-fi gurative  
 designs that are often described as “geometric”:  
 zigzags, spirals, checkerboard patterns, and other  
 abstract motifs that appear to have little or no  
 apparent reference to the natural world. In their  
 efforts to decipher these paintings, they sought  
 out collaborators from many different fi elds, including  
 Thomas Wynn, a professor of archaeology  
 who specializes in cognitive archaeology, and  
 V. S. Ramachandran, a professor of psychology  
 and neuroscience.  
 They came to realize that, in this case, the link  
 between archaeology, neuroscience, and art rests  
 on the datura plant (fi g. 1). Datura seeds and  
 seedpod effi gies have been found at many archaeological  
 sites in the Southwest (fi g. 23), and it appears  
 that this distinctive fl owering perennial was  
 used by the region’s ancient inhabitants for its  
 hallucinogenic properties. Ingesting datura produces  
 a type of trance state and causes the brain  
 to generate a variety of visual effects for the participant, 
  including full-blown hallucinations. As  
 such, it is a key component of ritual practice and  
 potentially central to shaping the worldview of  
 societies using it. Maurer worked with Berlant on  
 developing the premise that many of the designs  
 painted on “geometric” Mimbres bowls are, in  
 fact, based on natural forms. Drawing on their  
 experience with abstraction and artistic practice,  
 ART ON VIEW