What question did this study set out to answer?

The aim is to explore the complexity of obsessive-compulsive disorder (OCD) rituals within various developmental and psychological frameworks.

February 2, 2026Open Access

Between Canalization and Plasticity: The Role of Obsessive–Compulsive Rituals in Evo-Devo Psychopathology

Key Points

The aim is to explore the complexity of obsessive-compulsive disorder (OCD) rituals within various developmental and psychological frameworks.
Analysis of clinical heterogeneity in OCD rituals
Examination of developmental pathways
Assessment of psychopathological vulnerabilities
Evaluation of internal and external factors
Identified diverse developmental pathways associated with OCD rituals
Highlighted various psychopathological vulnerabilities linked to OCD
Established connections between internal perturbations and external triggers influencing OCD

Abstract

Current research highlights the clinical heterogeneity of obsessive–compulsive disorder (OCD) and, particularly, of OCD rituals, which are engrained in a variety of developmental pathways, psychopathological vulnerabilities, internal perturbations and external precipitating factors (Tonna, 2024; contribution 1) ...

Between Canalization and Plasticity: The Role of Obsessive–Compulsive Rituals in Evo-Devo Psychopathology

Key Points

Abstract

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