Personality measures after gamma ventral capsulotomy in intractable OCD

Progress in Neuro-psychopharmacology & Biological Psychiatry
Raquel R PaivaMarcelo Queiroz Hoexter

Abstract

Neurosurgeries such as gamma ventral capsulotomy (GVC) are an option for otherwise intractable obsessive-compulsive disorder (OCD) patients. In general, clinical and neuropsychological status both improve after GVC. However, its consequences on personality traits are not well-studied. The objective of this study was to investigate personality changes after one year of GVC in intractable OCD patients. The personality assessment was conducted using the Revised NEO Personality Inventory (NEO PI-R) and Cloninger's Temperament and Character Inventory (TCI) in 14 intractable OCD patients before and one year after GVC. Comparisons of personality features between treatment responders (n=5) and non-responders (n=9) were performed. Multiple linear regression was also used for predicting changes in clinical and global functioning variables. Overall, no deleterious effect was found in personality after GVC. Responders had a reduction in neuroticism (p=0.043) and an increase in extraversion (p=0.043). No significant changes were observed in non-responders. Increases in novelty seeking and self-directedness, and decreases in persistence and cooperativiness predicted OCD symptom improvement. Similary, improvement in functioning was also predi...Continue Reading

Citations

May 11, 2018·Molecular Psychiatry·Euripedes C MiguelSameer A Sheth
Jan 31, 2020·Frontiers in Psychiatry·Maria Eugênia CopettiMarcelo Q Hoexter
Aug 27, 2021·Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology·Steven A Rasmussen, Wayne K Goodman

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