The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed with Antisocial Personality Disorder

Behice Han Almış; Gunnur Hakyemez Geylani; Şeyma Şehlikoğlu; Elif Baltacı; Oğuzhan Tüzün; Özge Selin Özen Sekmek; Gürkan Çıkım

doi:10.5455/PBS.20250815070916

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PBS. 2026; 16(2): 111-119

doi: 10.5455/PBS.20250815070916

The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder

Behice Han Almış, Gunnur Hakyemez Geylani, Şeyma Şehlikoğlu, Elif Baltacı, Oğuzhan Tüzün, Özge Selin Özen Sekmek, Gürkan Çıkım.

Abstract
Objective: The connection between oxytocin and testosterone levels and impulsivity in Antisocial personality disorder (ASPD) is a subject that has not been thoroughly explored. Thus, the present study aims to investigate the relationship between impulsivity and the levels of oxytocin and testosterone in individuals with ASPD.

Methods: The present research examined and compared the levels of impulsivity between healthy controls and patients diagnosed with ASPD, utilizing the Short Form of the Barratt Impulsiveness Scale (BIS-11-SF). Furthermore, blood samples were also drawn from the two groups to analyze and compare the hormone levels of oxytocin and testosterone between them. Then, the association of these hormone levels with impulsivity in both groups was assessed. The total sample involved 73 participants: 37 patients and 36 controls.

Results: The findings of our study indicate that all subtypes of impulsivity are elevated in individuals diagnosed with ASPD when compared to healthy controls (p <0.001). Patients with ASPD exhibited significantly reduced levels of oxytocin and testosterone in comparison to healthy controls (p < 0.001 and p = 0.003, respectively). No correlation was observed between BIS-11-SF scores and oxytocin. Conversely, a negative correlation was identified between Barratt 4 and 7 and testosterone levels.

Conclusion: Our findings, including the observation of reduced levels of oxytocin and testosterone hormones in individuals diagnosed with APSD when compared to healthy controls, and the identification of a negative correlation between Barratt 4 and 7 and testosterone levels, indicate a negative relationship between impulsivity and testosterone hormone levels in these individuals.

Key words: Antisocial personality disorder, Hormone, Impulsivity, Oxytocin, Testosterone

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How to Cite this Article

Pubmed Style

Almış BH, Geylani GH, Şehlikoğlu �, Baltacı E, Tuzun O, Sekmek OSO, Cıkım G. The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder. PBS. 2026; 16(2): 111-119.

doi:10.5455/PBS.20250815070916

Web Style

Almış BH, Geylani GH, Şehlikoğlu �, Baltacı E, Tuzun O, Sekmek OSO, Cıkım G. The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder. https://www.pbsciences.org/?mno=277499 [Access: August 20, 2026].

doi:10.5455/PBS.20250815070916

AMA (American Medical Association) Style

Almış BH, Geylani GH, Şehlikoğlu �, Baltacı E, Tuzun O, Sekmek OSO, Cıkım G. The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder. PBS. 2026; 16(2): 111-119.

doi:10.5455/PBS.20250815070916

Vancouver/ICMJE Style

doi:10.5455/PBS.20250815070916

Harvard Style

Almış, B. H., Geylani, . G. H., Şehlikoğlu, . �., Baltacı, . E., Tuzun, . O., Sekmek, . O. S. O. & Cıkım, . G. (2026) The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder. PBS, 16 (2), 111-119.

doi:10.5455/PBS.20250815070916

Turabian Style

Almış, Behice Han, Gunnur Hakyemez Geylani, Şeyma Şehlikoğlu, Elif Baltacı, Oğuzhan Tuzun, Ozge Selin Ozen Sekmek, and Gurkan Cıkım. 2026. The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder. Psychiatry and Behavioral Sciences, 16 (2), 111-119.

doi:10.5455/PBS.20250815070916

Chicago Style

Almış, Behice Han, Gunnur Hakyemez Geylani, Şeyma Şehlikoğlu, Elif Baltacı, Oğuzhan Tuzun, Ozge Selin Ozen Sekmek, and Gurkan Cıkım. "The Relationship Between Impulsivity and Testosterone, Oxytocin Hormone Levels in Individuals Diagnosed With Antisocial Personality Disorder." Psychiatry and Behavioral Sciences 16 (2026), 111-119.

doi:10.5455/PBS.20250815070916

MLA (The Modern Language Association) Style

doi:10.5455/PBS.20250815070916

APA (American Psychological Association) Style

doi:10.5455/PBS.20250815070916

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