Ligia D Antezana, PhD

Assistant Professor of Psychiatry

Ligia Antezana, PhD

Expertise & Interests

Research Interests

Suicide and self-injury; Restricted and repetitive behavior and interests; Emotion regulation and anhedonia

Clinical Interests

Autism diagnosis and intervention; Emotion and behavioral dysregulation; Suicide prevention

Education Interests

Research mentorship; Clinical training & mentorship

Selected Publications

  1. Eldeeb S, Antezana L, Conner CM, Beck KB, Victor SE, Tsypes A, Morgan L, Scott LN, Mazefsky CA. Recent nonsuicidal self-injury in autistic adolescents and adults: clinical characteristics, suicidal thoughts and behaviors, and phenomenology. Autism Res. In Press.
  2. Antezana L, Conner CM, Feldman J, Manna LL, Ionadi A, Su DJ, Eldeeb S, Gastgeb HZ, Sivathasan S, Northrup JB, Beck KB, Scott LN, Mazefsky CA. Defining nonsuicidal self-injury in autistic people: a framework for assessment using key elements to aid in characterization. Autism Adulthood. 2026.
  3. Antezana L, Conner CM, Eldeeb S, Turecki S, Siegel M, Karim HT, Mazefsky CA. Using machine learning to identify features associated with different types of self-injurious behaviors in autistic youth. Psychol Med. 2025;55:e98. doi:10.1017/S0033291725000637. denotes co-senior authorship.
  4. Antezana L, Coffman MC, DiCriscio AS, Richey JA. Effects of nonsocial and circumscribed interest images on neural mechanisms of emotion regulation in autistic adults. Front Behav Neurosci. 2022;16:1057736. doi:10.3389/fnbeh.2022.1057736.
  5. Antezana L, Factor RS, Condy EE, Strege MV, Scarpa A, Richey JA. Gender differences in restricted and repetitive behaviors and interests in youth with autism. Autism Res. 2019;12(2):274-283. doi:10.1002/aur.2049.

Education & Credentials

Education & Training

Education
PhD, Psychology (Clinical Science), Virginia Tech
Internship
Clinical Psychology, UPMC Western Psychiatric Hospital
Postdoctoral
Innovative Methods in Pathogenesis and Child Treatment (IMPACT) Psychiatry Research Program, University of Pittsburgh School of Medicine

Professional Affiliations

  • Member, International Society for Autism Research