Missing Persons is built on peer-reviewed science. This is the evidence behind every claim in the film.
Studying researchers stationed in Antarctic winter-over conditions, this work documents measurable reduction in hippocampal volume — the brain region responsible for memory, spatial reasoning, and stress regulation — after extended periods of isolation and monotony.
Laboratory studies mapping the relationship between environmental stress and brain-derived neurotrophic factor (BDNF) production. When chronic stress is sustained, BDNF drops precipitously — halting the neural plasticity and repair that allow the brain to adapt and recover.
Decades of research into the neurobiology of stress demonstrate that sustained glucocorticoid exposure — the hormonal signature of chronic stress — causes direct damage to hippocampal neurons and undermines the prefrontal cortex's capacity for executive function and impulse control.
A comprehensive review of over 60 studies on the psychological effects of solitary confinement, documenting rates of anxiety, depression, hallucination, self-harm, and cognitive deterioration among incarcerated people held in isolation units.
What happens to people in Antarctica, space, prison, and military confinement — and what the parallels reveal.
| Environment | Duration | Primary Stressors | Observed Brain Changes | Key Researcher |
|---|---|---|---|---|
| Antarctica (Winter-Over) | 8–14 months | Sensory monotony, social constriction, darkness, confinement | Hippocampal shrinkage, reduced spatial cognition, elevated cortisol | Dr. Kinscherff, Harvard |
| Space (ISS / Long Duration) | 6–12+ months | Microgravity, isolation, loss of autonomy, distance from family | Cognitive slowing, emotional dysregulation, identity disruption | Dr. P. Johnson, NASA |
| Prison (General Population) | Months to decades | Chronic threat, loss of agency, social deprivation, sensory stress | BDNF suppression, PTSD, executive function impairment, hypervigilance | Sapolsky; Smeyne |
| Solitary Confinement | Days to years | Extreme sensory deprivation, total social isolation, loss of identity | Hallucinations, dissociation, self-harm, permanent psychological damage | Multiple (Haney; Smith) |
| Military Confinement (POW) | Weeks to years | Fear, physical stress, unpredictability, loss of identity | Complex PTSD, amygdala hyperreactivity, memory fragmentation | VA / DoD Research |
It seems like we have been sentenced to trauma
— Eric VanZant, Advocate & AuthorTracking mortality rates among people released from Washington State prisons, this landmark study found that the post-release period is among the most medically dangerous transitions a person can face — with dramatically elevated risk of death from overdose, cardiovascular disease, and homicide.
The former Surgeon General's advisory on loneliness documents the profound health consequences of social disconnection — consequences that are systematically inflicted on incarcerated people and persist for years after release. Social bonds, the report argues, are a biological necessity.
The landmark Rat Park experiments demonstrated that rats given enriching, social environments consistently chose to avoid addictive substances — even after being made physically dependent. Addiction, the research showed, is primarily a response to psychological deprivation and lack of connection.
Federal data on mental health conditions among incarcerated people documents staggering rates of untreated mental illness — and near-total absence of therapeutic intervention. The majority of people leaving prison have unaddressed trauma, depression, or anxiety disorders.
Federal and state data on recidivism rates, broken down by contributing factor.
| Population | Return Within 1 Year | Return Within 3 Years | Return Within 5 Years | Primary Factor |
|---|---|---|---|---|
| General Post-Release | 44% | ~80% | 83% | Lack of community support, untreated trauma |
| With Stable Housing | 21% | 38% | 46% | Stability reduces recidivism significantly |
| With Employment | 18% | 33% | 41% | Economic agency is protective |
| With Treatment Programs | 15% | 29% | 35% | Trauma/addiction treatment reduces reoffense |
| Solitary Confinement History | 61% | 87% | 91% | Psychological damage accelerates failure to reintegrate |
A 12-page overview of the peer-reviewed science informing the film — suitable for advocates, educators, and policymakers.
Download PDFFacilitation guide for organizations hosting screenings — includes discussion prompts, local resource lists, and action steps.
Download PDFOne-page data reference covering incarceration rates, recidivism statistics, racial disparities, and post-release mortality.
Download PDFComplete annotated bibliography of all studies, reports, and primary sources referenced in the film and companion materials.
Download PDFA policy brief synthesizing research on re-entry interventions that demonstrably reduce recidivism and improve public safety outcomes.
Download PDFFilm synopsis, director biography, high-resolution stills, and production information for media and festival submissions.
Download ZIPMissing Persons is an independent documentary. Your support funds production, travel, and the scientific consultations that give this film its credibility.