Body Dysmorphic Symptoms Linked to Brain Structure

Researchers reported gender-specific associations in visual and limbic brain regions among healthy adults with subclinical body dysmorphic symptoms.

By
Andrea Surnit
May 19, 2026
4 min

Conexiant

Overview

A study of 219 healthy adults revealed gender-specific differences in gray matter volume associated with subclinical body dysmorphic symptoms. Notably, higher symptom severity correlated with increased gray matter in men and decreased gray matter in women in the right inferior occipital gyrus.

Background

Body dysmorphic disorder (BDD) is a significant psychiatric condition characterized by obsessive thoughts about perceived physical flaws, leading to distress and functional impairment. Understanding the neurobiological underpinnings of body dysmorphic symptoms can inform prevention and treatment strategies. This study sheds light on the structural brain differences that may contribute to the manifestation of these symptoms in healthy individuals.

Data Highlights

No numerical data available.

Key Findings

Higher body dysmorphic symptom severity is linked to greater gray matter volume in the right inferior occipital gyrus among men.
In women, higher symptom severity correlates with lower gray matter volume in the same region.
Gender differences were observed in the types of appearance concerns reported by participants.
No significant associations were found in the superior frontal gyrus, anterior cingulate cortex, or precuneus.
Alexithymia scores were higher in men, while women reported greater body dysmorphic symptoms overall.
Rumination did not show a significant association with body dysmorphic symptoms in either gender.

Clinical Implications

Clinicians should consider gender-specific neurobiological factors when assessing and treating body dysmorphic symptoms. Understanding the structural brain differences may aid in developing targeted interventions for individuals with subclinical symptoms.

Conclusion

The findings highlight the importance of exploring neurobiological pathways in understanding body dysmorphic symptoms, particularly in relation to gender. Further research is needed to clarify the implications of these structural differences in clinical practice.