I. Population scale affected by mental disorders
Mental disorders are not a minority problem.
Latest WHO materials show that in 2021 about 1.1 billion people worldwide had mental disorders—nearly 1 in 7.
DID prevalence estimates vary by country, sample, and diagnostic method.
Professional sources often cite about 1%–1.5% in the general U.S. population.
Dissociative symptoms are also often missed or recognized only after many years.
These numbers show humanity has already accumulated a huge patient population and diagnostic system.
Yet different illness kinds are still treated as separate disease categories.
II. Core problem: illness kinds cannot convert around one variable
Modern psychiatry admits symptoms fluctuate, and admits comorbidity, misdiagnosis, and diagnosis change over time.
If these states can convert bidirectionally around the same variable, they may not be isolated diseases, but the same control system at different positions.
III. Minimum knowledge needed for the experiments
Full theory is in Knowledge Base II · brain-locus spirit-brain and Knowledge Base IV · Pathology of Psychiatric Disorders.
Spirit–screen distance ← farther · nearer →
- Farther away
weaker effect on the host’s present consciousness - Near and sharing the brain screen
auditory hallucination, foreign thoughts, sense of control - Host connection partly loosened
trance or depersonalization - Host connection fully pushed aside
DID, blackout, or possession trance
Host thinking-organ connection ← stronger · weaker →
Theory prediction: structural state → symptom. One variable set — not four unrelated diseases.
Figure slot -01|Minimal theory figure for the experiment
IV. Experiment 1: mutual conversion among psychiatric disorders
This experiment does not only watch “symptoms lessen after moving away.”
A full test must include both opposite directions:
Move away
- 01Spirit moves away from brain screen
- 02Interference weakens or host consciousness returns
Move toward
- 01Spirit moves toward brain screen
- 02Hallucination, shared consciousness, or DID appears
A full test needs both directions — not only improvement after moving away.
Direction A: restore host consciousness from DID
- External spirit presses against or enters the 3D brain screen
- Host thinking organ’s connection to the brain screen is pushed aside
- Host enters blackout
- An alter controls language and body
First set a DID-style control state
- Host thinking organ reconnects
- Host recovers waking awareness and bodily sense
- The alter no longer alone controls the body
- Host and external subject can both keep some degree of expression at once
When the external spirit moves away from the brain screen, theory predicts
This is equivalent to converting from DID-style “single-subject replacement” to schizophrenia-style “multiple consciousnesses present at once.”
If distance keeps increasing, auditory hallucination and thought interference should weaken further.
Direction B: produce opposite symptoms from waking or shared states
The reverse experiment begins with the host remaining awake:
- External spirit far from brain screen → host consciousness stable
- Approaches screen edge and outputs language → recognizable auditory hallucination
- Further shares screen and thought channels → foreign thoughts / dual consciousness
- Keeps entering the screen → host connection pushed aside
- Blackout, identity replacement, or DID-style state
Matching reverse order on approach is required for bidirectional evidence.
This direction is crucial.
“Lessening after moving away” alone can be explained as comfort, attention change, or natural remission; if approaching produces matching symptoms in reverse order, and moving away restores, reversible bidirectional evidence forms.
Figure slot -02|Bidirectional illness-kind conversion figure
What the experiment records
EEG is not required.
Observers need only record on the same timeline
- Whether the host stays awake
- Whether the host can remember the whole course
- Whether clear language-bearing auditory hallucination appears
- Whether host and external subject can express at once
- Whether language, motion, and identity change
- When the state begins and ends
- Whether recovery follows when the variable reverses
What matters is not that a symptom appears once, but that the order of change matches theoretical prediction and can reverse-recover.
V. Experiment 2: verifying visual input on the brain screen
The second experiment tests whether the 3D brain screen carries images formed from visual input.
Where a clear communication channel already exists, compare eyes open and eyes closed:
Eyes open
- 3D brain screen forms outer-world images
Eyes closed
- Outer-world images vanish or weaken sharply
- Auditory information can still remain
- Some consciousness signals via the brain screen may weaken
↺ Eyes open again → prior visual content returns
If images stably appear and vanish with eye opening and closing while hearing continues, different sensory channels’ appearance on the brain screen can be distinguished.
Spirit Medicine further proposes: images in the 3D brain screen are partly constituted by light, and light also takes part in organizing consciousness information.
Figure slot -03|Brain-screen visual-input verification figure
VI. Why everyone can witness and verify
These two experiments’ feature is that they do not depend on costly equipment.
Public verification’s focus is not first accepting all of Spirit Medicine’s theory, but checking a few simple facts
- C1Whether the state truly changed
- C2Whether change followed the same structural variable
- C3Whether both directions can appear
- C4Whether recovery matches prediction
- C5Whether different observers get the same record
Anyone can understand and check this evidence chain.
When DID, blackout, or severe mental symptoms are involved, proceed under informed consent and professional supervision; do not turn a thought experiment into a guide for patients to self-induce symptoms.
VII. Meaning of the experiments
If psychiatric disorders can convert bidirectionally around 3D brain-screen distance and connection state, four layers of meaning follow.
Test whether the 3D brain screen has real control function
Illness kind changing with control state shows the 3D brain screen is not only an explanatory metaphor, but may correspond to a real consciousness-control structure.
Test whether different psychiatric disorders share common pathology
Schizophrenia, DID, trance, and depersonalization may not be wholly separate diseases, but three control states: sharing, loosening, and seizure.
Test whether auditory hallucination and identity replacement involve an external subject
If the same external subject can both output language when approaching and replace host consciousness when entering further, auditory hallucination and DID enter the same subject-evidence chain.
Build Spirit Medicine evidence the public can audit
Video-EEG needs hospitals and equipment; illness-kind conversion and brain-screen visual-input verification can be checked together by doctors, patients, family, pastors, researchers, and ordinary witnesses.
It moves etiology research on psychiatric disorders from closed expert explanation toward open observation and repeated verification.
When patients are involved: informed consent, professional supervision, and continued existing clinical care.
References
- World Health Organization. World mental health today: about 1.1 billion people with mental disorders worldwide in 2021. https://www.who.int/news/item/02-09-2025-over-a-billion-people-living-with-mental-health-conditions-services-require-urgent-scale-up
- WHO. Anxiety disorders: about 359 million in 2021. https://www.who.int/news-room/fact-sheets/detail/anxiety-disorders
- WHO. Mental disorders: data related to depression, bipolar, and schizophrenia. https://www.who.int/news-room/fact-sheets/detail/mental-disorders
- Merck Manual Professional Edition. Dissociative Identity Disorder: about 1%–1.5% in the general U.S. population. https://www.merckmanuals.com/professional/psychiatric-disorders/dissociative-disorders/dissociative-identity-disorder