Helio Oiticica, who died in 1980, is another artist whose work can be seen at the Guggenheim.

ECONOMIST: Brazilian art

Oiticica was not concerned with material culture so much as the ways that performance, playfulness and ritual define Brazil's visual landscape.

ECONOMIST: Brazilian art

Oiticica's friend and fellow artist, Lygia Clark, even went so far as to incorporate his ideas into a new kind of psychotherapy in which patients wore interactive art pieces that took them outside themselves.

ECONOMIST: Brazilian art