TMP and legacy psychiatry are not competing frameworks; they are different epistemic systems entirely. This table clarifies the structural differences so clinicians can understand why TMP produces higher accuracy, greater safety, and reproducibility.

DimensionTMPLegacy Psychiatry
Core EpistemologyMechanism-first; physiology before psychology; CNS-anchoredSymptom-cluster-based; descriptive; symptomatology over mechanism
Approach to DissociationDissociation-informed; treats dissociation as understandable CNS phenomenaOften misunderstood or minimized; treated as mysterious, rare or narrative
Reasoning FrameworkBayesian: continuous updating, probabilistic reasoning, avoids diagnostic inertiaStatic: diagnosis made early and rarely revisited; low updating
Diagnostic WorkflowRule-outs before labels; reversible causes and contributors first; multi-scale data integrationLabels before rule-outs; medical causes and contributors very often skipped
View of the CNSCNS fails first and recovers last; central to all psychiatric presentationsCNS rarely conceptualized mechanistically; symptoms treated in isolation
Use of Labs & PhysiologyExtensive, structured, tiered lab architecture; interprets labs through CNS impact firstMinimal labs; often limited to TSH, CBC, CMP; thresholds treated as binary
Interpretation of Lab ValuesPrioritizes CNS vulnerability; does not rely on hematologic thresholds.“Waiting for anemia is asking for brain damage.”Uses population thresholds;assumes lab-defined “normal” means “not relevant”
Treatment PhilosophyTreat the mechanism; correct reversible causes and contributors; restore CNS functionTreat the label; medication-first; mechanism very often uninvestigated
Handling of UncertaintyExplicit; quantified; Bayesian updating; uncertainty drives deeper investigationImplicit; often ignored; uncertainty resolved by assigning a diagnosis
Approach to TraumaMechanistic trauma science; dissociation as CNS adaptation; high-resolution perspective of trauma across the lifepsanNarrative trauma models; often low-resolution, lacking developmental context as well
Approach to Dissociative Identity Disorder (DID)Mechanistic, trauma- and dissociation-informed, anchored in published literatureOften dismissed, misunderstood, misdiagnosed or pathologized without mechanism
Safety CulturePatient-safety lineage (taught by Peter Pronovost);
medical rule-outs, physiology, and clarity as safety behaviors
Safety often equated with documentation and risk checklists, instead of the published science of patient safety
Clinical InterviewingMechanism-guided; maps symptoms to physiology and CNS statesSymptom-counting; checklist-driven; DSM-anchored
Model CompletenessIntegrates physiology, labs, CNS behavior, dissociation, trauma, sleep, patient safetyFragmented; psychological, biological, and social domains are poorly integrated
AccuracyHigher accuracy due to mechanistic grounding and continuous updatingLower accuracy due to reliance on symptom categories and often complete absence of mechanistic investigation
Cultural ImpactBuilds a new epistemic culture; clarity and safety are prioritizedReinforces existing culture; low-precision norms of past decades persist
ScalabilityTeachable, reproducible, architecture-drivenDependent on clinician intuition; low reproducibility
Clinician BehaviorSeriousness, literature fluency, responsibility, stewardship, patient safetyVariable; often low-precision, low-effort, paucity of literature use
Patient ExperienceValidated, understood, mechanistically explained, and treated as complete human beingOften dismissed, pathologized, or misunderstood
Overall ModelMore accurate, more complete, trauma- and dissociation-informed, Bayesian, CNS-first, saferHistorically dominant but structurally incomplete and non-mechanistic, less safe

Restore psychiatry to medicine.