Although
such results demonstrate that synesthesia is automatic, in the sense that they can not turn off their synesthesic experience even when it interferes with a task, these results do not reveal whether
synesthetic colors are perceptions or memories.
For sculptural works, using materials
such as steel plates, cubes and horizontal stone slabs, Khan sandblasts the surface with templates of musical scores or prayers, continuing his investigation into the ways in which cultural, visual, cinematic and temporal memories coalesce into a dense,
synesthetic whole.