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Dr. Buchanan is a fully trained Neurosurgeon and Psychiatrist. He is trained in and performs all aspects of neurosurgery including those for disorders of the brain, spine, and peripheral nerves. Dr. Buchanan also has subspecialty training and surgical expertise in epilepsy, deep brain stimulation, Parkinson's disease, essential tremor, Tourette syndrome, and dystonia, as well as pain syndromes and OCD. Dr. Buchanan is dedicated to helping patients recover both physically and psychologically.

Dr. Buchanan completed his residencies at the University of California San Diego (UCSD) School of Medicine in the Department of Psychiatry and the Department of Surgery/Neurosurgery. His fellowships include Yale University School of Medicine, Department of Neurosurgery, in Epilepsy Surgery and Functional Neurosurgery; UCSD Department of Psychiatry and the National Institute of Health (NIH) Psychobiology and Psychopharmacology as well as The Salk Institute for Biological Studies, Post-Doctoral Fellow with the Lab of Genetics. Dr. Buchanan is an Associated Professor at Dell Medical School and in the Department of Psychology and the Institute for Neuroscience at the University of Texas at Austin. He has an Image Guided Transcranial Laboratory at UT where he studies Brain Function and is exploring treatments for epilepsy, psychiatric disease, and movement disorders. Dr. Buchanan is a Board Certified Diplomate of the American Board of Neurological Surgery.

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gamma-Aminobutyric Acid Medicine & Life Sciences
Glutamic Acid Medicine & Life Sciences
Deep Brain Stimulation Medicine & Life Sciences
Microdialysis Medicine & Life Sciences
Basal Ganglia Medicine & Life Sciences
Intracranial Arteriovenous Malformations Medicine & Life Sciences
Neurosurgery Medicine & Life Sciences
Entorhinal Cortex Medicine & Life Sciences

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Research Output 2005 2019

Intracranial Arteriovenous Malformations
Arteriovenous Malformations
10 Citations (Scopus)

Charting the road forward in psychiatric neurosurgery: Proceedings of the 2016 American Society for Stereotactic and Functional Neurosurgery workshop on neuromodulation for psychiatric disorders

Bari, A. A., Mikell, C. B., Abosch, A., Ben-Haim, S., Buchanan, R., Burton, A. W., Carcieri, S., Cosgrove, G. R., D'Haese, P. F., Daskalakis, Z. J., Eskandar, E. N., Gerrard, J. L., Goodman, W. K., Greenberg, B. D., Gross, R. E., Hamani, C., Kiss, Z. H. T., Konrad, P., Kopell, B. H., Krinke, L. & 23 others, Langevin, J. P., Lozano, A. M., Malone, D., Mayberg, H. S., Miller, J. P., Patil, P. G., Peichel, D., Petersen, E. A., Rezai, A. R., Richardson, R. M., Riva-Posse, P., Sankar, T., Schwalb, J. M., Simpson, H. B., Slavin, K., Stypulkowski, P. H., Tosteson, T., Warnke, P., Willie, J. T., Zaghloul, K. A., Neimat, J. S., Pouratian, N. & Sheth, S. A., Aug 1 2018, In : Journal of Neurology, Neurosurgery and Psychiatry. 89, 8, p. 886-896 11 p.

Research output: Contribution to journalArticle

Deep Brain Stimulation
Obsessive-Compulsive Disorder
9 Citations (Scopus)

Context-dependent spatially periodic activity in the human entorhinal cortex

Nadasdy, Z., Nguyen, T. P., Török, Á., Shen, J. Y., Briggs, D., Modur, P. & Buchanan, R., Apr 25 2017, In : Proceedings of the National Academy of Sciences of the United States of America. 114, 17, p. E3516-E3525

Research output: Contribution to journalArticle

Entorhinal Cortex
Human Activities
2 Citations (Scopus)

In vivo measurements of limbic glutamate and GABA concentrations in epileptic patients during affective and cognitive tasks: A microdialysis study

Buchanan, R., Gjini, K., Modur, P., Meier, K. T., Nadasdy, Z. & Robinson, J. L., May 1 2016, In : Hippocampus. 26, 5, p. 683-689 7 p.

Research output: Contribution to journalArticle

gamma-Aminobutyric Acid
Glutamic Acid
13 Citations (Scopus)

Glutamate and GABA concentration changes in the globus pallidus internus of Parkinson's patients during performance of implicit and declarative memory tasks: A report of two subjects

Buchanan, R., Gjini, K., Darrow, D., Varga, G., Robinson, J. L. & Nadasdy, Z., Mar 4 2015, In : Neuroscience Letters. 589, p. 73-78 6 p.

Research output: Contribution to journalArticle

Globus Pallidus
gamma-Aminobutyric Acid
Glutamic Acid
Basal Ganglia
Neurotransmitter Agents