Research Team

Amy Lawson Moore, PhD
Cognitive Psychologist
[email protected]
Dr. Moore is a cognitive psychologist and child development specialist with more than 25 years of experience in developmental and psychoeducational assessment, curriculum development, teacher education, program evaluation, and cognition research. She has a master’s degree in education and a PhD in psychology with post-graduate study in cognitive behavioral therapy.  She coordinates intervention and assessment research for neurodevelopmental disorders, learning disabilities, brain injury, and age-related cognitive decline. She is a founding director for Gibson Institute.



Teri Miller, MS Psy
Research Associate
[email protected]
Ms. Miller serves the institute’s study coordinator as well as a child development researcher and doctoral student in cognitive psychology.  She specializes in qualitative data analysis, data management, and participant progress monitoring.

Christina Ledbetter, PhD

Dr. Ledbetter is a clinical neuroscientist and researcher with a PhD in pharmacology, toxicology, and neuroscience. She specializes in functional Magnetic Resonance Imaging (fMRI) and surgical brain mapping. She is a part-time research fellow at LSU Health Sciences Center in Shreveport, LA where she heads neuroimaging research on neurological and psychological conditions such as Parkinson’s disease and epilepsy. She has published multiple studies on LearningRx cognitive training outcomes in medical journals and has presented her findings at conferences around the country.  Dr. Ledbetter volunteers her time at Gibson Research and is also the President of the Board of Directors.


Scientific Advisory Board

Howard Wainer, PhD

Dr. Wainer is an award-winning American statistician and research scientist. His specialization is the use of graphical methods for data analysis and communication, robust statistical methodology, and the development and application of generalizations of item response theory. After serving on the faculty of the University of Chicago, a period at the Bureau of Social Science Research during the Carter Administration, and 21 years as Principal Research Scientist in the Research Statistics Group at Educational Testing Service, he is now Distinguished Research Scientist at the National Board of Medical Examiners. He has authored more than 20 books, the latest of which is Truth or Truthiness: Distinguishing Fact from Fiction by Learning to Think Like a Data Scientist. New York: Cambridge University Press, 2016.


Richard Abbey, PhD

Dr. Abbey is a licensed clinical neuropsychologist. He provides neuropsychological evaluations for infants, children, and adults. He is the director of neuropsychological services and is involved in every case in his clinic. His research focuses on learning disorders, Attention-Deficit/Hyperactivity Disorder (ADHD), and the neurocognitive effects of cancer treatments. Dr. Abbey also specializes in neuropsychological functioning related to medical complications including brain trauma, injury, stroke, epilepsy, cancer, and seizures. His practice, Abbey Neuropsychology Clinic, is in Palo Alto, CA.


Christina Ledbetter, PhD

Dr. Ledbetter is a neuroscientist and clinical researcher. She specializes in functional Magnetic Resonance Imaging (fMRI) and assessment of traumatic brain injury and brain pathology. She is a collaborator and consultant to cognitive training researchers in academia and industry, and has published research on LearningRx training outcomes. She is a research fellow at LSU Health Sciences Center in Shreveport, LA.


Bonnie Nicks, MS

Bonnie Nicks is a speech and language pathologist. She has centered her 30-year career on helping struggling learners and those who learn differently. She has dedicated her research and practice to these students using research-based tutoring methods. Her practice, The Learning Center, is in Bowling Green, KY.

Jeffrey Moore, BSN, RN

Mr. Moore has served as the intervention coordinator and cognitive rehabilitation specialist for our cognitive training research on traumatic brain injury and early Alzheimer’s disease. He is a retired Air Force Colonel with expertise in medicine, aviation, leadership, quality assurance, systems and regulatory compliance, investigations, human resources management, and occupational safety, and now serves as our medical ethics advisor and research team member. He is also a registered nurse at Parkview Medical Center in Pueblo, CO.