the case rather than what was in fact the case;11 and as we confuse thought with deed, we may suppose we did something that we only entertained doing. In addition, we regularly mingle related or repeated events,12 so the memory of a single occurrence is often composite, “a synthesis of experiences,”13 the upshot of “an abstractive process based on selective attention”14 or “schematic processing.”15 When asked, for instance, to recall last year’s Thanksgiving, people typically borrow details from