The vault's bilateral-integration material (from the original Kalsched ingest and elsewhere) frames recovery as balancing/integrating two roughly co-equal hemispheres. McGilchrist insists the relationship is not symmetric: the right hemisphere is the master (primary, knows wholes, should rule), the left its emissary (servant, makes-explicit, has usurped the throne). If McGilchrist is right, "integration" isn't enough — the goal isn't balance between equals but the restoration of the right to primacy with the left back in service (and the specific "round trip": right → left → back to right). The two models give different clinical aims: balance (bilateral-integration) vs. restore-the-master (McGilchrist).
The bilateral-integration model may be a left-hemisphere flattening of McGilchrist's asymmetric truth — symmetrizing (into "balance two equal halves") exactly the hierarchy McGilchrist says matters (the right is master, the left its emissary). Falsifiable form: trauma recovery that aims at "balance" between hemispheres will produce competent-but-dead integration (left-dominant, the round-trip incomplete), while recovery that aims at restoring the right hemisphere's primacy (experience returned to the right after the left has divided it) will produce living, meaningful integration. The difference shows in whether the patient ends up regulated (balanced, symptom-free, left-satisfied) or alive (the round trip complete, meaning restored).
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