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Department of Psychological Science

Lovinger 1111
Warrensburg, MO 64093
Phone: 660.543.4185

Selected Publications

Ryan, J.J., Blacksmith, J.L., Kreiner, D.S., & Umfleet, L.G. (in press). Use of the 21-Item Test with children and adolescents 5 to 16 years of age. Applied Neuropsychology: Child.


Ryan, J.J., Umfleet, L.G., Kreiner, D.S., Fuller, A.M., & Paolo, A.M. (2018). Neuropsychological differences between men and women with Alzheimer’s Disease. International Journal of Neuroscience, 128, 342-348. doi: 10.1080/00207454.2017.1382492


Ryan, J.J., Kreiner, D.S., Umfleet, L.G., Gontkovsky, S.T., & Myers-Fabian, A. (2018).  WAIS-IV GAI and CPI discrepancies in multiple sclerosis and traumatic brain injury. Applied Neuropsychology: Adult, 25, 51-56. doi: 10.1080/23279095.2016.1241786


Ryan, J. J. (2017). Oxygen consumption, neural activity, and human behavior: Observing the mind with functional magnetic resonance imaging (fMRI). [Book review of Sex, lies, & brain scans: How fMRI reveals what really goes on in our minds by Barbra J. Sahakian and Julia Gottwald (2017), New York: Oxford University Press]. PsycCRITQUES   


Ryan, J. J., Umfleet, L. G., & Gontkovsky, S. T. (2016). Prorating WAIS‒IV summary scores for patients with relapsing-remitting multiple sclerosis. International Journal of Neuroscience, 126, 1025-1029.


Muñoz, A, Kreiner, D.S., Penningroth, S.L., Ryan, J.J., & Hwang, H. (2015). Performing a prospective memory task under divided attention might lead to increased performance errors and commission errors . In A.M. Columbus (Ed.), Advances in Psychology Research, Vol. 113 (pp.205-222). Hauppauge, NY: Nova Science Publishers.


Ryan, J.J., Kreiner, D.S., Gontkovsky, S.T., & Umfleet, L.G. (2015). Classification accuracy of sequentially administered WAIS−IV short forms. Applied Neuropsychology: Adult, 22, 409-414.


Umfleet, L. G., Janecek, J. K., Quasney, E., Sabsevitz, D., Ryan, J. J., & Swanson, S. J. (2015). Sensitivity of memory and naming tests for identifying left temporal lobe epilepsy. Applied Neuropsychology: Adult, 22, 189-195.


Ryan, J.J., Swopes-Willhite, N., Franklin, C., & Kreiner, D.S. (2015). WAIS‒IV administration errors: Effects of altered response requirements on Symbol Search and violation of standard surface variety patterns on Block Design. Applied Neuropsychology: Adult, 22, 42-45.


Ryan, J.J., Kreiner, D.S., Seeley, J.S., & Paolo, A.M. (2015). Temporal disorientation base rates in Alzheimer’s Disease and Parkinson’s Disease. Journal of Gerontology and Geriatric Research, 4, (221). doi: 10.4172/2167-7182.1000221


Ryan, J.J., Sumerall, S.W., Seeley, J.S., Umfleet, L.G., Kreiner, D.S., Brown, K.I., & Ott, S.D. (2015). WAIS-IV coding performance of young adults: Transcription patterns and incidental learning procedures. North American Journal of Psychology, 17, 197-212.


Gontkovsky, S. T., & Ryan, J. J. (2014). Influence of WAIS‒IV intelligence in the interpretation of Trail Making Test performance in patients with relapsing-remitting multiple sclerosis. International Journal of Medical and Biological Frontiers, 20, 1-12.


Ott, S., Schatz, P., Solomon, G., & Ryan, J. J. (2014). Neurocognitive performance and symptom profiles of Spanish speaking Hispanic athletes on the ImPACT test. Archives of Clinical Neuropsychology, 29, 152-163.


Sumerall, S. W., Ryan, J. J., & Gontkovsky, S. T. (2014). Neuroplasticity: The foundation for non-pharmacological interventions in dementia. In S. T. Gontkovsky (Ed.). The cognitive therapeutics method: Non-pharmacological approaches to slowing the cognitive and functional decline associated with dementia (pp. 65-86). Palo Alto, CA: Home Care Press.


Ryan, J.J., Townsend, J.M., & Kreiner, D.S. (2014). Comparison of oral, written, and pointing responses to the WAIS-IV Digit Span.  Applied Neuropsychology: Adult, 21, 94-97. doi: 10.1080/09084282.2012.753076    


Bartels, J. M., & Ryan, J. J. (2013). Fear of failure and achievement goals: A canonical analysis. Journal of Instructional Psychology, 40, 42-49.  


Umfleet, L.G., Ryan, J.J., Morris, J., & Plishkin, N. (2013). Comparison of nondominant and dominant hand performance on WMS-IV Visual Reproduction subtest copy and memory components. Journal of Clinical and Experimental Neuropsychology, 35, 480-488.


Ryan, J.J., Umfleet, L.G., & Kane, A. (2013). Stability of WISC-IV process scores. Applied Neuropsychology: Child, 2,43-46.


Ryan, J.J., Turpin, D.M., & Kreiner, D.S. (2012). Specificity of the 21-Item Test in two elderly samples. Aging,Neuropsychology, and Cognition. 19, 728-740.


Umfleet, L.G., Ryan, J.J., Gontkovsky, S.T., & Morris, J. (2012). Estimating WAIS-IV indexes: Proration versus Linear scaling in a clinical sample. Journal of Clinical Psychology, 64, 390-396.


Ryan, J.J., Gonkovsky, S.T., Kreiner, D.S., & Tree, H.A. (2012). Wechsler Adult Intelligence Scale-Fourth Edition performance in relapsing-remitting multiple sclerosis. Journal of Clinical and Experimental Neuropsychology, 34, 571-579.


Ryan, J.J. (2012). Neuropsychological aspects of neurological disorders: An A to Z reference for healthcare providers. [Review of the book The Encyclopedia of Neuropsychological Disorders by C. A. Noggle, R. S. Dean, and A. M. Horton (Eds.)]. PsycCRITQUES, 57, doi:10.1037/a0028184.