Peggy MacLean, Ph.D., IMH-III, is a Clinical Psychologist and Associate Professor at the UNM Center for Development and Disability. She has appointments in the Departments of Pediatrics and Psychiatry. Dr. MacLean completed her M.S. and PhD in Clinical Psychology with Distinction at the University of New Mexico and her B.A. in Psychology at McGill University with Great Distinction. She completed an APA-accredited internship in Clinical Psychology in the UNM Department of Psychiatry in the Early Childhood Track, followed by a two-year post-doctoral fellowship in Early Childhood/ Infant Mental Health at the UNM Center for Development and Disability.

Personal Statement

Dr. Maclean's interests focus on improving early identification and preventative efforts in at-risk families of young children. Her emphasis is on providing integrated trauma-informed intervention services that focus on supporting early parent-child relationships, developmental and socio-emotional needs of young children, and parenting needs of families who face adversity. Additionally, Dr. Maclean has specific interest in integrating trauma-informed, early childhood mental-health practices within medical settings, including family medicine, pediatrics, and neonatal intensive care units. Her research interest is focused on the development of emotional regulation and the role of parenting and co-regulation in at-risk early childhood populations.

Areas of Specialty

Child/Family Mental Health Infant and Early Childhood Mental Health/Early Childhood Development Trauma Informed Care Interdisciplinary Care and Clinical Training Developmental Disability


Licensed Clinical Psychologist - NM Infant Mental Health Mentor - Level 3

Achievements & Awards

-UNM Department of Pediatrics Faculty Service Award, 2016, 2017, 2018 -UNM Department of Pediatrics Research Award, 2013 -UNM B.F. Haught Award for Excellence in Research, 2011 -UNM Signature Program in Child Health Research Award, 2008 -UNM Garland Award, 2008 -International Conference on Infant Studies Graduate Student Award, 2008 -UNM Department of Pediatrics Research Poster Award, 2006 -Quebec Provincial Society and Culture Scholarship Fellowship Award, 2003, 2004, 2005




  • English
  • French

Courses Taught

Foundations for Infant/ Early Childhood Mental Health Developmentally-based Interventions

Research and Scholarship

MacLean, P.C. (2019). When Hospital Becomes Home. Symposium at the Ounce Eight National Summit on Quality in Home Visiting Programs Conference. Washington, D.C. MacLean, P.C. (2019). When Substance Use is Part of Their Story: Exploring the Relationship between Substance Use, Trauma, and the Parent-Child Relationship. Keynote Presentation at the CYFD Home Visiting Kickoff Summit. Albuquerque, NM. Erickson, S. J., Duvall, S. W., MacLean, P. C., Tonigan, J. S., Ohls, R. K., & Lowe, J. R. (2018). Mother-Child Interactive Behaviors and Cognition in Preschoolers Born Preterm and Full Term. Journal of Child and Family Studies, 27(11), 3687-3700. Moran, T.E., MacLean, .C., & Scott Heller, S. (2017). Implementation of Home Visiting in NICU Setting. Symposium Presentation at the Zero to Three Annual Meeting, San Diego, CA. Duvall SW, Erickson SJ, MacLean PC, LaFavor T, & Lowe J. (2017). Multimodal executive measurement in preschool children born very low birth weight and full term: Relationship between formal lab-based measure performance, parent report, and naturalistic observational coding. Journal of Pediatric Neuropsychology, 3, 195-205. FOCUS: An interdisciplinary primary care model for children and families affected by opioid dependence. (2017). Presentation at the Society of Teachers of Family Medicine Annual Conference. San Diego, CA.