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A projection screen in a hall shows a computer display of EEG-style brainwave traces, rows of wavy lines labelled with electrode positions such as FP1-A1, F3-A1 and O2-A1, plus coloured topographic brain maps at the top. Heavy curtains in red and grey frame the screen and a dark-clad figure stands at the right edge, partly out of frame. No readable a person depiction is visible.