Assistant Professor, Psychology
Contact Information
Email tvandyk@llu.edu
Phone 909-558-7412
Fax 909-558-0171
Department of Psychology
Loma Linda University, Central Building, Suite 119
11130 Anderson St., Loma Linda, CA 92350
Degrees
- PhD, Clinical Psychology - University of Nebraska-Lincoln, 2016
- MA, Clinical Psychology - University of Nebraska-Lincoln, 2012
Areas of Specialization
- Pediatric health psychology
- Pediatric health behavior promotion and intervention
- Behavioral sleep medicine
- Interaction between physical and mental health in youth
Professional Memberships and Licenses
- Licensed Clinical Psychologist (CA #30741)
- Behavioral Sleep Medicine Certification
- Sleep Research Society
- APA Division 54, Society of Pediatric Psychology
Recent Publications and Presentations
Publications
- DiFrancesco, M. W., Van Dyk, T. R., Altaye, M., Drummond, S. P., & Beebe, D. W. (2019). Network-based responses to the psychomotor vigilance task during lapses in adolescents after short and extended sleep. Scientific Reports, 9, 13913.
- Durracio, K. M., Krietsch, K., Chardon, M. L., Van Dyk, T. R., & Beebe., D.W. (2019). Poor sleep and adolescent obesity risk: A narrative review of potential mechanisms. Adolescent Health, Medicine and Therapeutics, 10, 117-130.
- Van Dyk, T.R., Zhang, N., Combs, A., Howarth, T., Whitacre, C., McAlister, S., & Beebe, D. (2019). Feasibility and impact on daytime sleepiness of an experimental protocol inducing variable sleep duration in adolescents. PLoS One, 14, e0218894.
- Van Dyk, T.R., Becker, S. P., & Byars, K. C. (2019). Rates of mental health symptoms and associations with self-reported sleep quality and sleep hygiene in adolescents presenting for insomnia treatment. Journal of Clinical Sleep Medicine, 15, 1433-1442.
- Van Dyk, T.R., Becker, S. P., & Byars, K. C. (2018). Psychopathology symptoms in preschool and school age youth presenting to insomnia evaluation: Prevalence and predictors of sleep disruption. Behavioral Sleep Medicine, DOI: 10.1080/15402002.2018.1518224.
- Van Dyk, T. R., Krietsch, K., Saelens, B. E., Whitacre, C., McAlister, S., & Beebe, D. W. (2018). Inducing more sleep on school nights reduces sedentary behavior without affecting physical activity in short-sleeping adolescents. Sleep Medicine, 47, 7-10.
- Van Dyk, T. R., Zhang, N., Catlin, P. A., Cornist, K., McAlister, S., Whitacre, C., & Beebe, D. W. (2017). Feasibility and emotional impact of experimentally extending sleep in short-sleeping adolescents. SLEEP, https://academic.oup.com/sleep/article/40/9/zsx123/3982412.
- Becker, S. P., Sidol, C. A., Van Dyk, T. R., Epstein, J. N., & Beebe, D. W. (2017). Intraindividual variability of sleep/wake patterns in relation to child and adolescent functioning: A systematic review. Sleep Medicine Reviews, 34, 94-121.
- Nelson, T.D., Kidwell, K.M., Lundahl, A., & Van Dyk, T.R. (2016). LayHealth+: An innovative model for increasing access to high-quality health promotion services for Hispanic families. In K. Dombrowski & K. G. Carrasco (Eds.), Reducing Health Disparities: Research updates from the field. (pp. 91-111). Lincoln, NE: Syron Design Academic Publishing.
- Van Dyk, T. R., Thompson, R. W., & Nelson, T. D. (2016). Daily bidirectional relationships between sleep and mental health symptoms in youth with emotional and behavioral problems. Journal of Pediatric Psychology, 41, 983-992.
- Nelson, T. D., Van Dyk, T. R., McGinnis, C., Nguyen, A. V., & Long, S. K. (2016). Brief sleep intervention to enhance behavioral parent training for noncompliance: Preliminary findings from a practice-based study. Clinical Practice in Pediatric Psychology, 4, 176-187.
- Kidwell, K. M., Hankey, M., Flores, F., Van Dyk, T. R., Lundahl, A., Nelson, T. D. (2015, December). Sleep and School, Strategy Brief. Lincoln, NE: Student Engagement Project, University of Nebraska-Lincoln.
- Guenther, K., Van Dyk, T. R., Kidwell, K. M., & Nelson, T. N. (2015). The moderating role of dysfunctional parent-child relationships on the association between outward anger expression and physical health in youth from low-income families. Journal of Pediatric Health Care, 30, 366-373.
- Kidwell, K. M., Van Dyk, T. R., Lundahl, A., & Nelson, T. D. (2015). Effects of stimulant medications on sleep for youth with ADHD: Meta-analysis of randomized trials. Pediatrics, 136, 1144-1153.
- Lundahl, A., Kidwell, K. M., Van Dyk, T. R., & Nelson, T. D. (2015). A meta-analysis of the effect of experimental sleep restriction on youth’s attention and hyperactivity. Developmental Neuropsychology, 40, 104-121.
- Kidwell, K. M., Van Dyk, T. R., Guenther, K., & Nelson, T. D. (2015). Anger and children’s physical and mental health: The differentiating role of inward versus outward expressed anger on sleep, medical service utilization, and mental health. Children’s Health Care. Online First published on September 18, 2015.
- Pittenger, S., Van Dyk, T. R., Schreier, A., Haikalis, M., Flood, M. F., & Hansen, D. J. (2015). Expanding mental health consultation in Early Head Start: Recommendations for supporting home visitors in increasing parental engagement. NHSA Dialog, 18.
- Kidwell, K. M., Nelson, T. D., & Van Dyk, T. R. (2015). Parenting stress and child health among a low-income sample: The moderating role of child anxiety. Journal of Health Psychology, 20, 1377-1387.
Presentations
- Rawal, B., Chakos, A., Van Dyk, T. R., & Morton, K. (2020). Adverse childhood experiences predict opioid use with sleep quality as an effect modifier. Poster presented at the Loma Linda University Annual Postgraduate Convention, Loma Linda, CA.
- Richards, E. Hong, L., Van Dyk, T. R., Heim, E. Andersen, M., Brashear, N., Alaras-Whitfield, C., Vasquez, A. (2020, April). Impact of an interprofessional experience on student self-evaluation of the Interprofessional Education Collaborative (IPEC) competencies for 16 healthcare professions. Poster to be presented at the 2020 National Academies of Practice Annual Conference.
- Van Dyk, T. R., Combs, A., Whitacre, C., McAlister, S., & Beebe, D. W. (2018, June). Feasibility of an Experimental Protocol Inducing Variable Sleep in Healthy Teens. Poster presented at the SLEEP Meeting, 2018, Baltimore, MD.
- Van Dyk, T. R., Whitacre, C., Howarth, T., Lutz, N., Combs, A. B., & Beebe, D. W. (2017, June). Short sleep induces emotional eating and worse mood in teens. Poster presented at the SLEEP Meeting 2017, Boston, MA.
- Beebe, D. W., McAlister, S., Van Dyk, T. R., Caitlin, K., & Saelens, B. E. (2017, June). Inducing more sleep on school nights reduces sedentary behavior without affecting moderate to vigorous activity in short-sleeping adolescents. Poster presented at the SLEEP Meeting 2017, Boston, MA.
- Beebe, D. W., Whitacre, C., McAlister, S., Van Dyk, T. R., Odar Stough, C., Brammer, C., & Saelens, B. E. (2017, June). Sedentary activity, not moderate-to-vigorous activity, fills the extra time awake when adolescents restrict their sleep. Poster presented at the SLEEP Meeting 2017, Boston, MA.
- Van Dyk, T. R., & Byars, K. C. (2017, April). Psychiatric functioning predicts worse insomnia and poorer treatment response in youth clinically referred for insomnia treatment. Poster presented at the Society of Pediatric Psychology Annual Conference, Portland, OR.
- Byars, K. D., & Van Dyk, T. R. (2017, April). Sleep hygiene and sleep disruption in youth with insomnia. Poster presented at the Society of Pediatric Psychology Annual Conference, Portland, OR.
- Guenther, K. D., Van Dyk, T. R., Nelson, T. D., Thompson, R. W. (2016, August). Asthma as a predictor of school dropout rates and poor peer relations in youth in residential care. Poster presented at the American Psychological Association Annual Convention, Denver, CO.
- Van Dyk, T. R., Baum K. T., LeBlond E. I., Manegold E. M., Strong H., Beebe D. W. (2016, June). Short sleep induces variable mood in adolescents. Poster presented at the SLEEP 2016 Meeting, Denver, CO.
- Van Dyk, T. R., Miller, M. M., Barnett, K. A., Swaminathan, S., & Beebe, D. W. (2016, June). Bidirectional relationship between nightly sleep and daytime mood in health adolescents. Poster presented at the SLEEP 2016 Meeting, Denver, CO.
- Kidwell, K., Hankey, M., Van Dyk, T. R., Flores, D., Roth, T., & Nelson, T. D. (2016, April). Stimulant medications and insomnia symptoms in children with ADHD: A meta-analysis. Poster presented at the Society of Pediatric Psychology Annual Conference, Atlanta, GA.
- Guenther, K. D., Van Dyk, T. R., Kidwell, K. M., Nelson, T. D. (2016, March). The moderating role of dysfunctional parent-child relationships on the association between outward anger expression and physical health in youth from low-income families. Poster presented at the Annual Meeting of the American Psychosomatic Society, Denver, CO.
- Van Dyk, T. R., Flores, D., Lundahl, A., Hankey, M., Kidwell, K. M., & Nelson, T. D. (2015, April). The bidirectional relationship between sleep and attention problems: Does daily variability matter? Poster presented at the Society of Pediatric Psychology Annual Conference, San Diego, CA.
- Lundahl, A., Kidwell, K. M., Hankey, M., Van Dyk, T. R., Flores, D. & Nelson, T. D. (2015, April). The effect of children’s sleep problems and negative affect on parental use of emotional feeding strategies. Poster presented at the Society of Pediatric Psychology Annual Conference, San Diego, CA.
- Kidwell, K. M., Hankey, M., Van Dyk, T. R., Flores, D., Lundahl, A., & Nelson, T. D. (2015, April). Parental weight as a risk factor for child health: Relationships with asthma, service utilization, and illness. Poster presented at the Society of Pediatric Psychology Annual Conference, San Diego, CA.
- Flores, D., Lundahl, A., Kidwell, K. M.,Van Dyk, T. R., Hankey, M., & Nelson, T. D. (2015, April). The effect of minimal sleep restriction on children’s preference for high sugar foods and fruits and vegetables. Poster presented at the Society of Pediatric Psychology Annual Conference, San Diego, CA.