Healing From Grief & Loss | Dr. Mary-Frances O'Connor

June 2, 2025Dr. Mary-Frances O'Connor neuroscience psychology mental-health

TL;DR

Grief involves cycling between protest and despair rather than progressing through linear stages, with dopamine and yearning playing central neurobiological roles
The brain shows measurable changes during grief including altered dopamine signaling in reward centers as it adjusts to the absence of the lost person or object
Getting stuck in particular stages of grief can lead to prolonged suffering and serious health risks including increased mortality, cardiovascular disease, and depression
Active engagement with grief through talking, writing, and memory processing helps the brain update its expectations and move through loss more adaptively
Honoring the person or thing lost while simultaneously accepting their absence is essential to healthy grief resolution rather than either suppressing or becoming consumed by grief
Understanding grief as a normal neurobiological process rather than a disorder helps people navigate loss with self-compassion while seeking appropriate support when needed

Episode Recap

Dr. Mary-Frances O'Connor brings neuroscientific clarity to one of life's most universal experiences: grief and loss. Rather than viewing grief as a series of stages to be completed, Dr. O'Connor explains that grief involves cycling back and forth between protest and despair, often accompanied by guilt and anger. This understanding has profound implications for how we approach our own grieving processes and support others through theirs. At the neurobiological level, grief involves significant changes in the brain's dopamine system. When we lose someone or something important, the brain has been rewarded by their presence for a long time. Dopamine, the neurotransmitter associated with motivation and reward prediction, plays a crucial role in the yearning and searching behaviors that characterize grief. The brain must gradually update its expectations about the world without this source of reward, a process that takes considerable time and cannot be rushed. One of the most important insights from Dr. O'Connor's research is that there are real health consequences to getting stuck at particular stages of grief. People who remain in prolonged protest or despair face increased risks of cardiovascular disease, weakened immune function, and higher mortality rates. The duration and intensity of grief responses vary considerably between individuals and depend on factors like the nature of the relationship, the circumstances of the loss, and individual neurobiology. Dr. O'Connor emphasizes that moving through grief healthily does not mean forgetting or diminishing the importance of what was lost. Instead, it involves gradually integrating the loss into one's life story while continuing to honor the memory and significance of the person or thing that is gone. Active engagement with grief through talking about the lost person, writing about memories, and processing emotions helps the brain update its expectations more effectively than avoidance or suppression. The episode also addresses the question of whether grief can become pathological. Extended grief disorder is now recognized as a distinct condition characterized by prolonged intense yearning that interferes with daily functioning. However, most grief, even intense grief that lasts for years, represents a normal neurobiological response rather than a disorder requiring treatment. Dr. O'Connor provides practical guidance for navigating grief in healthier ways while maintaining deep connection to those we have lost. The conversation emphasizes that understanding grief as a normal process rooted in neurobiology can reduce the shame and confusion many people experience during loss, allowing them to move through grief with greater self-compassion and effectiveness.