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Dr. Thomas' research interests are in the areas of the impact of early experiences on the infant brain (particularly nurtritional influences), neural mechanisms underlying cognitive development throughout the lifespan, brain/ behavior relationships, and the perception of time. Below are some representative publications.


  • Thomas, D.G., & Lykins, M.S. (1995). Event-related potential measures of 24-hour retention in 5-month-old infants. Developmental Psychology, 31, 946-957.
  • Thomas, D.G., Whitaker, E., Crow, C.D., Little, V., Love, L., Lykins, M.S., & Letterman, M. (1997). Event-related potential variability as a measure of information storage in infant development. Developmental Neuropsychology, 13, 205-232.
  • Little, V.M., Thomas, D.G., & Letterman, M.R. (1999). Single-trial analyses of  developmental trends in infant auditory event-related potentials. Developmental Neuropsychology, 16, 455-478 .
  • Najm-Briscoe, R.G., Thomas, D.G., & Overton, S. (2000). The impact of stimulus value in infant novelty preference.  Developmental Psychobiology, 37, 176-185.
  • Bartgis, J., McGee, A.R., & Thomas, D.G. (2003). Event-related potential and behavioral  measures of attention in children 5-, 7-, and 9-year-olds. Journal of General Psychology, 130, 311-335.
  • Thomas, D.G., Grice, J., Najm-Briscoe, R.G., & Williams, J.E. (2004). The influence of unequal numbers of trials on comparisons of average event-related potentials. Developmental Neuropsychology, 26, 753-774.
  • Leffingwell, T., Thomas, D.G., & William H. Elliott. (2007). Microsoft Producer™: A software tool for creating multimedia PowerPoint™ presentations. Teaching of Psychology, 34, 57-63.
  • Padawar, E., Jacobs-Lawson, J., Hershey, D., & Thomas, D. G. (2007). Demographic indicators as predictors of future time perspective. Current Psychology, 26, 102-108.
  • Carlozzi, N., & Thomas, D.G. (2008). The utility of the transverse patterning task as a measure of configural learning in a college sample. Applied Neuropsychology, 15, 54-60.
  • Kennedy, T., Thomas, D.G., Woltamo, T., Abebe, Y.,  Hubbs-Tait,L., Sykova, V., Stoecker, B.J., & Hambidge, M. (2008). Growth and visual information processing in infants in southern Ethiopia. Journal of Applied Developmental Psychology, 29, 129-140. PMCID: PMC2726747
  • Bartgis, J., Thomas, D. G., Lefler, E. K. & Hartung, C. M. (2008). The development of attention and response inhibition in early childhood. Infant and Child Development, 17, 491-502.
  • Thomas, D.G., Grant, S.L., & Aubuchon-Endsley, N.L. (2009). The role of iron in neurocognitive development. Developmental Neuropsychology, 34, 196-222.
  • Bartgis, J., Lefler, E. K., Hartung, C. M., & Thomas, D. (2009). Contrast sensitivity in children with and without ADHD. Developmental Neuropsychology, 34, 663-681.
  • Aubuchon-Endsley, N., Grant, S., Berhanu, G.,Thomas, D. G., Schrader, S., Eldridge, D., Kennedy, T., & Hambidge, M. (in press). Hemoglobin, growth, and attention with infants in Southern Ethiopia. Child Development.