PORTLAND, ORE.- Barcelona-based sculptor Jaume Plensa’s room-sized installation In the Midst of Dreams (2009) provides a dramatic introduction to the Portland Art Museum ’s DISQUIETED exhibition. Visitors to the Museum have been captivated by the three enormous and luminous heads—cast in translucent resin and lit from within—that rest in a field of stones and bear thought-provoking inscriptions upon their faces. Visitors can learn more about this installation and other works by the artist in a lecture by Plensa to be held Saturday, April 10 at 2 p.m. in the Whitsell Auditorium. Plensa has gained international recognition for his high-profile public art installations—including the Crown Fountain in Chicago’s Millennium Park—and exhibitions at numerous galleries and museums in Europe, the United States, and Japan. His work is currently on view at the Portland Art Museum and the Nasher S