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Clinical · King's College London · 2025

Six-Month Outcomes for Bereaved Users of Memorial AI Clones

Hartmann, LiuA small longitudinal study found that bounded use of memorial clones did not delay grief resolution in most participants, but unbounded daily use correlated with prolonged grief markers.

Key findings

  • Median use settled at three sessions per week within 60 days for 71% of participants.
  • Heavy daily users (n=14) showed elevated PG-13 scores at month six.

What it means in practice

Memorial-clone products should default to rate limits and offer assisted off-ramps. Unbounded use is the configuration most associated with harm.