Commodus: Why This Emperor Lost His Mind

Gildas GarrecCBT Psychopractitioner
6 min read

This article is available in French only.

Commodus: Psychological Portrait of a Pathological Emperor

Commodus (161-192 A.D.), son and successor of Marcus Aurelius, embodies one of the most fascinating and disturbing figures in Roman history. Far from the wise Stoic philosopher his father was, Commodus represents a textbook case of psychological dysfunction wielding absolute power. This article offers a rigorous analysis of his personality through the tools of cognitive-behavioral therapy, revealing the deep mechanisms of a pathology that contributed to the decline of the Roman Empire.

1. Young's Schemas: Foundations of a Fractured Personality

The Schema of Abandonment and Instability

Commodus's childhood unfolded in a paradoxical context: as the son of the most powerful emperor in the world, he was simultaneously abandoned emotionally. Marcus Aurelius, preoccupied with Parthian wars and threats from the Marcomans, delegated his son's education. This early emotional deprivation engendered a fundamental Abandonment/Instability schema.

Historians report that Commodus grew up in an unstable environment, surrounded by flattering courtiers and schemers. This early exposure to the inconstancy of social relationships solidified existential doubt: "Can I trust those around me?"

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The Schema of Grandiosity / Unjustified Superiority

From adolescence onward, Commodus developed a maladaptive Grandiosity schema. As heir to absolute power, never contradicted, his pathological narcissism was not tempered by frustration or failure. This child-king internalized the idea that he was beyond ordinary human rules.

Upon assuming power at 18, this schema exploded. He renamed himself "Hercules Romanus," had himself depicted armed with the mythological club, and eventually demanded to be venerated as a living deity. This grandiose identification with a demigod reveals an attempt to fill the void left by parental emotional abandonment.

The Schema of Vulnerability and Fear of Danger

Paradoxically, beneath this grandiose facade persisted a profound schema of Vulnerability. Commodus displayed increasing paranoia, seeing conspiracies everywhere. He ordered mass executions of senators, close advisors, even members of his own family.

This alternation between grandiosity and paranoia reflects the instability of the schema system: the absence of emotional regulation creates chaotic oscillations between overconfidence and terror.


2. Attachment Styles: The Impossible Reciprocity

Anxious-Ambivalent Attachment

Clinical analysis reveals in Commodus a disorganized anxious-ambivalent attachment style. Despite his position of absolute power, he constantly sought external validation. His excessive acts—participating himself in gladiatorial games, fighting wild animals—constitute compulsive attempts to obtain the crowd's admiration.

Yet, incapable of lasting trust, he oscillates between idealization and devaluation. Advisors he had cherished were brutally eliminated on the basis of suspicion. This dynamic reflects primary attachment trauma: parental love being unreliable, no relationship can offer security.

Inability to Mentalize

Fonagy's work on mentalization—the capacity to understand others' mental states—reveals a critical deficit in Commodus. He perceived others not as beings with complex interiority, but as objects: mirrors for his grandiosity or threats to his survival.

This inability to mentalize explains his erratic behavior: incapable of decentration, Commodus could not anticipate the consequences of his acts on the empire or adapt his behavior to social reality.


3. Big Five: The Extreme Profile

Openness (Very Low)

Commodus manifested extremely low intellectual openness. Unlike Marcus Aurelius, who philosophized about Stoic fate, Commodus rejected introspection. He never questioned his worldview or his legitimacy.

Conscientiousness (Extremely Low)

Dramatically low score. No organization, no long-term planning. His decisions were impulsive, often reversed the next day. The Roman Empire, a complex administrative machine, became a toy in the hands of a capricious child.

Extraversion (Very High, Pathological)

Commodus shone through extreme extraversion, but distorted. This was not healthy sociability, but compulsive exhibitionism: gladiatorial combats where he killed without risk, theatrical public appearances, megalomaniacal conversations.

Agreeableness (Very Low)

Traits of contempt, antagonism, open aggression. He killed without guilt, used torture as entertainment. Empathy was absent, replaced by pathological emotional insensitivity.

Neuroticism (Extremely High)

Chronic emotional instability, persecution anxiety, dysregulated anger outbursts. Commodus was in permanent distress, incapable of maintaining emotional homeostasis.


4. Dark Triad: The Three Poles of Pathology

Malignant Narcissism

Commodus's narcissism exceeded mere vanity. It was malignant narcissism, cold and exploitative. He sincerely regarded himself as a superior entity, deserving absolute veneration.

Probable diagnosis: Narcissistic Personality Disorder, grandiose type, with chronic vulnerability traits. His narcissistic investment in the image of "demigod" allowed him to maintain precarious psychological coherence.

Psychopathy: Absence of Empathy

Historians report that Commodus killed with emotional indifference. No guilt, no remorse. This characteristic lack of guilt distinguishes psychopathy from sadism.

He did not take pleasure in torture for its own sake, but as a means of control. This suggests a primary emotional deficit rather than erotic perversion.

Machiavellianism: Ineffective Manipulation

Paradoxically, Commodus's machiavellianism was disorganized. A true Machiavellian maintains strategic control; Commodus constantly exposed himself. His impulsivity undermined his attempts at political manipulation.

His political strategy (arbitrary execution of senators, redistribution of wealth to the plebeians) created instability without producing the order a clever manipulator would seek.


Clinical Lessons for CBT Practice

1. The Importance of Early Therapy in Contexts of Power

Lesson: Untreated attachment dysfunctions are exponentially exacerbated by power. A narcissistic adolescent in a controlled environment could benefit from early CBT intervention. The absence of developmental frustration in Commodus—never confronted with real failure—froze his psychological development.

For clinicians: identify schemas in individuals in positions of influence before they accumulate power.

2. Emotional Invalidation as Developmental Trauma

Lesson: Parental emotional abandonment creates attachment instability schemas that cannot be compensated by material power. Commodus had everything materially; he lacked parental mentalization.

For clinicians: exploring attachment history is essential even—especially—with clients who appear supremely powerful or grandiose.

3. Emotional Dysregulation and Behavioral Escalation

Lesson: Without emotional regulation strategies (which CBT teaches), individuals with high neuroticism become trapped in cycles of unstructured behavior. Each impulsive decision creates a new crisis, requiring new extreme action.

For clinicians: mindfulness techniques and cognitive distancing would have been vital for Commodus—breaking the impulse-reaction cycle.

4. The Impossibility of Treatment Without Perspective

Lesson: Commodus lacked the first prerequisite of CBT: the capacity to observe his own thoughts. His deficient mentalization made guided introspection inaccessible.

For clinicians: recognize when neurodevelopmental deficits (particularly in theory of mind) make verbal psychotherapies unsuitable. Should a sensorimotor approach, body therapy have been attempted?

5. The Limits of Psychotherapy Facing Organized Psychopathy

Lesson: Modern research shows that narcissistic psychopathy is poorly responsive to verbal interventions. Commodus exemplifies this reality: no advisor could reason with him because he did not recognize the authority of external reality.

For clinicians: accept therapeutic limits; sometimes prevention (education of at-risk children) is more effective than remediation.


Conclusion

Commodus embodies a dark crystal of psychological pathology: fundamentally destabilizing abandonment schemas, disorganized attachment, extreme personality across the Big Five factors, and Dark Triad traits.


Also Worth Reading


To go further: My book Breaking Free from Toxic Relationships deepens the themes addressed in this article with practical exercises and concrete tools. Discover on Amazon | Read a free excerpt
Recommended readings:

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Gildas Garrec, Psychopraticien TCC

About the author

Gildas Garrec · CBT Psychopractitioner

Certified practitioner in cognitive-behavioral therapy (CBT), author of 16 books on applied psychology and relationships. Over 900 clinical articles published across Psychologie et Sérénité.

📚 16 published books📝 900+ articles🎓 CBT certified

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Commodus: Why This Emperor Lost His Mind | Psychologie et Sérénité