BARCELONA.- Otoliths can cause dizziness and vertigo. Small calcium crystals suspended in liquid inside the inner ear, they provide the organism with the information it needs to maintain balance. A lift stopping suddenly or the violent rocking of a yacht can cause the otholiths to become abruptly displaced, placing the entire body in a state of alert. The Otolith Group, an artist-led collective founded in London in 2000 by Anjalika Sagar and Kodwo Eshun, takes its name from these tiny crystals, whose existence the immense majority are unaware of, but which are vital for life. The groups name was not adopted at random, and spectators are invited to discover the reasons behind this choice. Under the title The Otolith Group. Thoughtform, MACBA, the Museu dArt Contemporani de Barcelona (MACBA), firstly, and MAXXI – Museo nazionale delle arti del XXI secolo, in Rome, subsequently, will host a large proportion of the work