Dr. Lauren Dawson is a board certified, licensed clinical neuropsychologist specializing in the assessment of brain injury stemming from a variety of causes including dementing disorders, trauma, and cerebrovascular disease. She performs clinical and medicolegal evaluations for diagnostic purposes, and she provides adjunctive psychotherapy to chronically medically ill and brain-injured persons and their families. Dr. Dawson has been in private practice in the valley since 1999. She is also on staff at the Barrow Neurological Institute, where she is involved in both clinical and research activities at the Center for Transitional Neurorehabilitation.

Dr. Dawson received her doctorate in clinical psychology from the San Diego State University/University of California, San Diego School of Medicine Joint Doctoral Program. She received specialized graduate training in neuropsychology, followed by a clinical neuropsychology internship at Duke University Medical Center and a postdoctoral fellowship at the University of California, San Diego School of Medicine, where she served as Chief of the Neurobehavioral Core.

Dr. Dawson is a Diplomate in Clinical Neuropsychology, and she is an active member of the following professional organizations: American Academy of Clinical Neuropsychology, National Academy of Neuropsychology, International Neuropsychological Society, and American Psychological Association. Dr. Dawson also participates in a number of community organizations in the valley, volunteering her time and resources to several philanthropic causes.



Jessica Grady, M.S. CCC-SLP, is a state and nationally licensed clinical Speech-Language Pathologist. She specializes in the assessment and treatment of speech, voice, and language difficulties resulting from trauma, congenital or acquired brain injury, or developmental disabilities, working with both adults and children. Mrs. Grady also works with non-brain injured persons who require speech and voice training for accent and dialect reduction as well as improved overall communicative effectiveness. She has been seeing private practice patients since 2000. She has also been on staff at the Center for Transitional Neurorehabilitation, Barrow Neurological Institute, since 1999 where she participates in clinical and research activities.

Mrs. Grady received her undergraduate degree in Communication Disorders from Miami University in Oxford, Ohio where she was selected to travel to the Czech Republic to provide therapy and receive specialized training. She attained her Master's Degree from Arizona State University and completed her internship at Maricopa Medical Center in Phoenix.

Mrs. Grady is a member of the Arizona Speech Hearing and Language Association, as well as the American Speech Hearing and Language Association. In addition, she is a member of the Brain Injury Association of Arizona, where she serves as a committee member. Mrs. Grady has also been active in a number of organizations in the community and her church.



Dr. David Lamb is a board certified clinical neuropsychologist with over ten years of experience at the Center for Transitional Neurorehabilitation (CTN) of the Barrow Neurological Institute (BNI) in Phoenix, AZ. While a staff neuropsychologist at the CTN, he conducted neuropsychological assessments, provided individual and group psychotherapy, administered cognitive retraining tasks, and ran an educational group for patients. He also assisted patients in creating strategies and techniques for overcoming brain injury related difficulties in therapy and on-site at their actual places of employment. Recently, Dr. Lamb has transitioned to private practice and is offering services in the areas of neuropsychological evaluation, neurorehabilitation, and psychotherapy. In addition to Dr. Lamb’s expertise as a clinical neuropsychologist, he holds a Master’s Degree in Art Therapy, allowing him to take a unique approach to mental health that utilizes artistic methods to diagnose and treat people with psychological difficulties.

After earning a B.S. in psychology from Colorado State University, Dr. Lamb went on to obtain a second B.S. in art and Master’s Degrees in art therapy and clinical psychology from Emporia State University. Dr. Lamb was awarded his doctorate in clinical psychology from the University of Kentucky, where he took relevant coursework and received specialized clinical training in neuropsychology. He completed his two-year postdoctoral fellowship in clinical neuropsychology at the BNI in Phoenix.

Dr. Lamb is a member of the following professional organizations: American Academy of Clinical Neuropsychology, National Academy of Neuropsychology, International Neuropsychological Society, and the National Rehabilitation Association.
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Dr. Lanie Zigler is a licensed clinical neuropsychologist specializing in the assessment of school-aged children and young adults (age 5 through young adult). She conducts comprehensive neuropsychological evaluations, provides consultation with schools, and performs forensic evaluations. Areas of specialty include traumatic brain injury, neurologic illness, developmental disorders, learning disabilities, and Attention Deficit Hyperactivity Disorder. Dr. Zigler began her professional career as a staff neuropsychologist at the Barrow Neurological Institute and St. Joseph’s Hospital & Medical Center. Subsequently, she was on staff as a consulting neuropsychologist for Gentiva Rehab Without Walls. Dr. Zigler has been in private practice in the Phoenix area since 2001.

Dr. Zigler received her doctorate in clinical psychology (neuropsychology track) from Hahnemann University in Philadelphia, Pennsylvania. She received specialized graduate training in neuropsychology, followed by a clinical internship at the University of Arizona Health Sciences Center focused on Pediatric Neuropsychology, Adult Neuropsychology, Medical Psychology, and outpatient therapy services. Dr. Zigler completed postdoctoral fellowships in neuropsychology at the Neuropsychiatric Institute of the University of California, Los Angeles and the Barrow Neurological Institute. Dr. Zigler is currently in the process of board certification with the American Board of Professional Psychology.

Dr. Zigler has been active in the training and supervision of practicum students, interns and postdoctoral residents. She is a member of the National Academy of Neuropsychology and the American Psychological Association, and has presented research at several of the annual conferences. Additionally, she serves as a committee member for the Brain Injury Association of Arizona. In addition to Dr. Zigler’s training as a clinical neuropsychologist, she taught religious school to 5th- 8th graders and served as a youth advisor for 4 years during college and graduate school. Dr. Zigler has a strong affinity for working with children and ensures that parents have the tools they need to make informed decisions.




For more information on any of our specialist’s education, clinical training, current and past clinical and research experience, publications, or editorial activities, please call (602) 996-1396 and request a curriculum vitae.

Clinical Neuropsychology Specialists 2003
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