Story perspectives

One in Twenty Suffer Prolonged Grief Disorder, Study Reveals

2/18/2026

Summary

Story summary

A review in Trends in Neurosciences reports that prolonged grief disorder (PGD) affects about one in twenty bereaved individuals.
Richard Bryant, the lead author, notes PGD differs from typical grief by leaving individuals unable to accept the loss.
Neuroimaging studies link PGD to disruptions in brain networks related to reward and emotion processing.
Similar changes appear in depression and PTSD, raising questions about PGD's unique brain signature and future studies.

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Story summary

A review in Trends in Neurosciences reports that prolonged grief disorder (PGD) affects about one in twenty bereaved individuals.
Richard Bryant, the lead author, notes PGD differs from typical grief by leaving individuals unable to accept the loss.
Neuroimaging studies link PGD to disruptions in brain networks related to reward and emotion processing.
Similar changes appear in depression and PTSD, raising questions about PGD's unique brain signature and future studies.