Each part of her lives in one region, always in the same place. A region lights when its record lands, brighter for a bigger recorded number, and stays dark when it was not used; its glow fades slowly, so a busy turn leaves a trail. His message enters as a pulse. Her feelings flash where they start and travel the flow as coloured pulses (the legend under the brain), sized and sped by how much each moved; a closed gate stops them in red. Memories jump as sparks to where they are used. A decision that nearly fired flickers. The brain breathes at her mood. Between the regions run fibres: one bundle for each hand-off her record shows this turn, one hair-thin strand for each thing that passed (nine at most). Colour travels once and fades in about three seconds; silver, a third the size, is the wiring itself: one part reading another, shuttling and fading over about eight seconds. A grey dashed strand is a hand-off we know happens but did not record. Hover or tap a region or a strand for its numbers.