Metacognitive impairment is crucial to explaining difficulties in life tasks of patients with personality disorders (PDs). However, several issues remain open. There is a lack of evidence that metacognitive impairments are more severe in patients with PDs. The relationship between severity of PD pathology and the extent of metacognitive impairment
has not been explored, and there has not been any finding to support the linking of different PDs with specific metacognitive profiles.The authors administered the Metacognitive Assessment Interview to 198 outpatients with PDs and 108 outpatients with no PDs, differentiating overall severity from stylistic elements of personality pathology.Results showed that metacognitive impairments were more severe in the group with PDs than in the control group, and that metacognitive dysfunctions and the severity of the PD were highly associated. Positive correlations were found between specific metacognitive dysfunctions and specific personality styles. Results suggest that metacognitive impairments could be considered a common pathogenic factor for PDs.

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