The ‘memory of death’ — mneme thanatou in the Greek ascetic tradition — occupies a distinctive and underexamined crossroads in depth-psychological and related contemplative scholarship. Within the corpus represented here, the term carries two largely non-overlapping registers. In Christian ascetic literature, particularly as analyzed through the Gaza school (Barsanuphius, John, Dorotheus) and John Climacus’s Ladder of Divine Ascent, ‘memory of death’ denotes a deliberate, voluntarily cultivated cognitive-spiritual practice: the continuous recollection of one’s own mortality and impending divine judgment, deployed as an instrument for virtuous formation, detachment, mourning, endurance, and ultimately resurrection-oriented selfhood. This tradition distinguishes the practice sharply from Platonic melete thanatou (‘practice of death’), arguing that Christian ascetics understood it primarily as a meditative enunciation rather than philosophical habituation. In the grief-science literature, by contrast — O’Connor, Worden, van der Kolk — memory is the neuropsychological trace of a specific death event: the encoding, intrusion, consolidation, or avoidance of episodic material surrounding bereavement. These two registers rarely intersect theoretically, yet both treat the memory of death as structurally formative: in one case, for sanctification; in the other, for psychological adaptation. The tension between memory as chosen discipline and memory as involuntary neural event defines the field’s deepest conceptual fault line.