The Madame Psychosis show (p. 186)
a kind of safety-balcony of skull-colored polybutylene resin, which curves around the midbrain from the inferior frontal sulcus to the parietooccipital sulcus—a halo-ish ring at the level of like eaves […] so that the balcony resembles at once corporeal bone and numinous aura
Context
The M.I.T. Union's brain-shaped roof wears a literal ring: fire-code balcony as halo, bone and aura at once.