Dr. Gary Heit

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Stanford University
School of Medicine
Neurosurgery
Director of Functional Neurosurgery
Stanford University
School of Medicine
Neurosurgery
Assistant ProfessorAppointed: 1998
Professional Headshot of Gary  Heit

Mailing Address

Department of Neurosurgery
Stanford University Medical Center
300 Pasteur Drive, Room R233
Stanford, California 94305-5327
United States

Contact Information

Phone: (650) 723-5574
Fax: (650) 723-7813
gheit@stanford.edu

Qualifications

Resident 1992-98, Stanford University, Neurosurgery, 1998.
Resident 1992-98, Stanford University, 1997.
Resident 1992-98, Loma Linda University, Division of Neurosurgery, 1994.
Resident 1992-98, Stanford University, 1991.
Resident 1992-98, Stanford University, Department of Surgery, 1991.
Resident 1992-98, University of California, Los Angeles, Interdepartmental Neuroscience Program, 1988.
Resident 1992-98, University of California, Santa Cruz, Neurobiology, 1977.

Expertise and Research Interests

Dr. Heit's clinical interests include the surgical treatment of movement disorders, chronic pain, and epilepsy. His research focuses on microelectrode recordings to guide ablative treatment for movement disorders.

Other Expertise

Abstracts:

Drakulic BS, Heit G, and Halgren E: A multiple channel system for separating action-potentials from single neurons in multiunit recordings. Society for Neuroscience Abstracts. Vol. 10, 1984.

Heit G, Smith ME, and Halgren E: Multiunit neuronal responses in the human medial temporal lobe during a verbal recent memory task. Society for Neuroscience Abstracts. Vol. 11, No 2, 1985.

Smith ME, Heit G, and Halgren E: Repetition effects on intracranial event related potentials recorded during lexical decision. Society for Neuroscience Abstracts. Vol. 12, 1986.

Heit G, Smith ME, and Halgren E: Human hippocampal neurons respond to individual words or faces in a recognition memory task. Society for Neuroscience Abstracts. Vol. 12, 1986.

Smith ME, Heit G, and Halgren E: Electrophysiology of memory processing in the human hippocampus. Neuroscience 22 (1987) Supplement p. S144.

Halgren E, Marinkovic K, Baudena P, Devaux B, Broglin D, Heit G, and Chauvel P: Human intracranial potentials evoked by faces. Society for Neuroscience Abstracts. 1991, 17: 656.

Halgren E, Baudena P, Heit G, Chauvel P, Musolino A, Devaux B, Clarke J, Scarabin J-M, Vignal J-P, and Birabin A: Endogenous potentials in the human superior temporal sulcus evoked by rare and repeated stimuli. EPIC X, 1992, Egar, Hungary: 55.

Halgren E, Baudena P, Clarke J, and Heit G: Endogenous potentials in the human orbitofrontal cortex evoked by rare and repeated stimuli. Society for Neuroscience Abstracts. 1992, 18: 1420.

Halgren E, Baudena P, Heit G, Chauvel P, Clarke J, Marinkovic K, Devaux B, Vignal J-P, and Birabin A: Differentiation of P3 generating systems. Europ. J. Psychophysiol, 1993.

Halgren E, Marinkovic K, Baudena P, and Heit G: Potentials evoked by facesin the human brain. Soc. French Psychol., 1993.

Sumanaweera T, Lim KO, Glover G, Hemler P, Heit G, van den Elsen, PA, Silverberg GD, Napel S: Geometric distortion correction in fast spin echo images for treating Parkinson's disease using stereotactic pallidotomy. Society of Magnetic Resonance Meeting Symposium. 1995.

Heit G, Sumanaweera T, Lim KO, van den Elsen PA, Hemler P, Nepal S, Glover G, Silverberg GD, and Drace J: Application of fast spin echo MRI field mapping error correction schemas to stereotaxic neurosurgery. Congress of Neurological Surgeons. San Francisco, 1995.

Lim KO, Sumanaweera T, Heit G, Silverberg GD, Drace J, and Napel S: Fast spin echo-based Field Mapping for correcting MR geometric distortion. Proceedings of the Society ofMagnetic Resonance Third Scientific Meeting, Aug 19-25, 1995, Nice, France, p. 763.

Lim KO, Heit G, Sullivan EV, Wasserstein P, and Silverberg GD: Portable device for quantitative measurements of motor symptoms. Society of Biological Psychiatry AnnualMeeting. 1996.

Cahn DA, Heit G, Sullivan EV, Shear PK, Wasserstein P, Lim KO, and Silverberg GD: Three-month follow-up of posterior ventral pallidotomy. To be presented at the 25th annual meeting of the International Neuropsychological Society, Orlando, FL.. Journal of the International Neuropsychological Society 4/97.

Heit G, Cahn D, Mullens J, Bridgeman T, Sullivan E, and Silverberg GD: Anatomical posteroventral pallidotomy for Parkinson's Disease: 3 month postoperative outcome data. XII World Society of Stereotactic and Functional Neurosurgery. Stereotactic and Functional Neurosurgery 8/97.

Heit G, Murphy G, Jaffe R, Golby A, and Silverberg GD: The effects of Propofol on human globus pallidus neurons. XII World Society of Stereotactic and Functional Neurosurgery. Stereotactic and Functional Neurosurgery 8/97.

Marsh L, Solvason B, Cahn DA, Shear PK, Teitelbaum J, Wasserstein P, Heit G, Silverberg GD, and Sullivan EV: Psychiatric outcome after pallidotomy for Parkinson's Disease. Society of Biological Psychiatry Annual Meeting 9/97.

Norbash AM, Heit G, Ross B, Silverberg GD, and Enzman D: Correlation of intraventricular pressure with cine phase contrast aqueductal and incisural CSF flow velocities in Parkinsonism. 5th International Society for Magnetic Resonance in Medicine. Vancouver B.C, Canada. 1997.

Ulbert I, Heit, G, Karmos G, Shuer LM, Halgren E: Laminar microelectrode array recordings from human temporal cortex and hippocampus. . Soc. Neurosci. Abstr., Vol. 24, Part 1, p. 716. 1998.

Heit G, Ulbert I, Karmos GE, Shuer LM, Halgren E: Current source density analysis of synaptic generators of human interictal spike. American Society of Stereotactic and Functional Neurosurgeons. SnowBird Utah 1999.

Ulbert I, Heit G, Halgren E, Shuer L, Karmos G: Laminar analysis of human interictal spikes. Society For Neuroscience, Miami Beach Florida 1999.

Liu AK. Schwartz DP, Dale AM, Lewine J, Davis J, Heit G, Destrieux C, Halgren E, Belliveau JW: MEG Localization of Interictal Spikes in Epilepsy: Comparison of Two Inverse Methods with Invasive Recordings. American Epilepsy Society Annual Meeting 1999

Schwartz DP, Liu AK, Belliveau JW, Lewine J, Davis J, Heit G, Destrieux C, Halgren E, Dale AM: Anatomic MRI Used to Constrain MEG Localization of Interictal Spikes in Epilepsy. INSMR 1999.

Chen L, Wansapura JP, Heit G, Butts K: Validation of the In Vivo MRI Thermal Coefficient During Laser Ablation in the Rabbit Brain. AAAP 1999.

Ulbert I, Heit G, Halgren E, Karmos G: Current SourceDensity and Multiunit correlates of motion coherency in human MT+. 17th International Conference on Cognitive Neuroscience, Budapest, 1999.

Ulbert I, Heit G, Halgren E, Shuer LM, Karmos G: Intracortical distribution of current source density and multiple unit activity of the human interictal spikes. XI International Congress of EMG and Clinical Neurophysiology, Prague, 1999.

Ulbert I, Heit G, Halgren E, Shuer LM, Karmos G: Laminar analysis of human interictal spikes. Soc. Neurosci. Abstr., Vol. 25,Part 1, p. 604 1999.

Silverberg GD, Jaffe RA, Heit G, Huhn S, Saul T, Possin K, Rubenstein E: CSF Production in Aging and in Alzheimer's Disease September 9-12 2000, Abstract Western Neurosurgical Society Mauna Lani Bay, Hawaii.

Chen L, Wansapura JP, Heit G and Butts K: Study of In Vivo Laser Ablated Tissue Damage using MR Thermometry. Intertnational Society of Magenetic Imaging 9/2000.

Hattab EM, Heit G, Horoupian DS. Eosinophilic Intracytoplasmic Inclusions within Cortical Astrocytes in an Epileptic Focus. Journal of Neuropathology and Experimental Neurology. 9/2000.

Chen L, Wansapura JP, Heit G, and Butts K: Average peak temperature and thermal dose on lesion boundary in the in vivo rabbit brain. American Association of Physics and Medicine 7/2000.

Abbasi H, Hariri S, Martin D, Risinger M, and Heit G: Neuronavigational Epilepsy Focus Mapping. Department of Neurosurgery, Stanford University Medical Center. Technology and Informatics Volum 81, Medicin Meets Virtual Reality, James Westwood IOS. Press ISSN 0926-9630 page 8-10. 2001.

Invited Lectures:

Santa Clara Valley County Hospital. Santa Clara, CA. Neurosurgery Grand Rounds. 10/95. Posterior Ventral Pallidotomy for Parkinson's Disease.

San Francisco Neurological Society 11/95. San Francisco, CA. Posteroventral Pallidotomy for Parkinson's Disease.

Combined Medical Surgical Ground Rounds, 4/96. North Bay Community Hospital. Pinole, CA. Posteroventral Pallidotomy for Parkinson's Disease.

Combined Medical Surgical Ground Rounds 5/96. Doctor's Hospital, Fairfield, CA. Postereoventral Pallidotomy for Parkinson's Disease.

General Electric Medical Systems: MRT CIP meeting. 10/96. Functional Neurosurgical Applications in the Interventional Magnetic Resonance Scanner.

California Association of Perioperative Care Nurses. 10/96. Pallidotomy for Parkinson's Disease.

Santa Clara Valley County Hospital. Santa Clara, CA. Neurosurgery Grand Rounds. 11/96. Cingulotomy: Clinical applications.

University of California Santa Cruz, Department of Psychobiology. 11/96. Cingulotomy for Psychiatric Illness: Implication for free will.

Good Samaritan Hospital Medical Surgical Grand Rounds. 3/97 Pallidotomy for Parkinson's Disease.

Waco Texas Medical Association. 3/97. Pallidotomy for Parkinson's Disease.

Chair, Invitational Meeting. Interventional Magnetic Resonance Systems. 4/97 Denver, Co.

Department of Neurology, Semmilwise University, Budapest, Hungary. 8/97 Indications and patient Selection for Pallidotomy.

Hungarian National Institute of Neurosurgery. Budapest, Hungary. 8/97. Postereoventral Pallidotomy.

Santa Clara Valley County Hospital. Santa Clara, CA. Neurosurgery Grand Rounds. 11/97. Posteroventral Pallidotomy for Parkinson's Disease.

Dallas Fort Worth Parkinson's Foundation, 4/98. Surgical treatment of movement disorders.

German Neurosurgical Society Special Symposium. Hannover, Germany, 6/98. Future prospectives in interventional MR neurosurgery.

Santa Clara Valley County Hospital. Santa Clara, CA. Neurosurgery Grand Rounds. 4/99. VIM Thalamic Deep Brain Stimulation for Tremor Control.

Mills-Peninsula Medical Center, Burlingame, CA. Medical Grand Rounds. 8/99. Neurosurgical treatment of Parkinson's Disease.

Department of Internal Medicine. Stanford University, Stanford, CA. Grand Rounds. 1/00. Surgical treatment of Tremors.

California Association of Neurological Surgeons/Association of California Neurologist. Annual meeting, San Francisco CA. Keynote Speaker. 1/00. Surgical treatment of Movement Disorders.

Bay Area Basal Ganglia Club. Pallidal Surgery for Dystonia.. 10/00. San Francisco, CA..

Medtronic, Laguna Beach, CA. 1/01. Surgical Philosophy for Deep Brain Stimulation.

Stanford University 7th Annual Symposium on Emergency Medicine, Kauai, Hawaii. 3/01. Lecturer 'Neurosurgical Management of Head Trauma'.

Stanford University 7th Annual Symposium on Emergency Medicine, Kauai, Hawaii. 3/01. Lecturer 'Neurosurgical Management of Spine Trauma'.

Stanford University 7th Annual Symposium on Emergency Medicine, Kauai, Hawaii. 3/01. Lab practicum 'Burr hole and C-spine technique'.

41st Korean Neurosurgical Society, Seoul Korea. Invited Special Lecturer 10/01. Submillimeter Stereotactic Neurosurgery for Parkinson'sDisease.

41st Korean Neurosurgical Society, Seoul Korea. Invited Special Lecturer 10/01 Current Density analysis of interictal epileptic spikes.

Keywords

COS Keywords:

Brain Injury, Cardiology, Neurophysiology, Neuroscience, Neurosurgery, Pediatrics, Physical Biology, Psychobiology, Schizophrenia, Sleep Disorders, Surgery.

Additional Terms:

Functional MR Mapping of Pain, Neurophysiology of Epilepsy, Neurophysiology of Movement Disorders.

Memberships

American Association for the Advancement of Science
American Association of Neurological Surgeons
California Association of Neurological Surgeons
Congress of Neurological Surgeons
World Society for Functional and Stereotactic Surgery

Honors and Awards

1983-1984, ARCS Fellow, University of California, Los Angeles, CA
1982-1993, (ADAMHA MHTP) Predoctoral Training Program, National Institutes of Health
1980-1982, Graduate Opportunities Program, University of California, Los Angeles
1979-1980, Cornell University Fellowship, Cornell University
1977-1979, Cornell University Minority Fellowship, Cornell University
1976-1977, Minority. Biomedical Support Internship RR 08132, National Institutes of Health, University of California, Santa Cruz
Oakes College Distinguished Student Award, University of California, Santa Cruz

Previous Positions

1997, Consultant, Surgical Enterprise Corporation, Stereotaxic Neurosurgery and Clinical Neurophysiology
1996, Consultant, Axon Instruments, Stereotaxic Neurosurgery and Clinical Neurophysiology
1995-1997, Kaiser Permanente Division of Research, Santa Teresa Hospital, Urgent Care Center
09/88-01/89, Invited Professor, University of Paris VII, Department of Physiology
09/79-12/79, Teaching Assistant, Cornell University, Agriculture and Life Sciences, Neurobiology and Behavior
07/98-11/98, Acting Assistant Professor, Stanford University, School of Medicine, Neurosurgery
02/96-01/99, Lecturer, Stanford University, School of Medicine, Neuroanatomy
01/82-04/83, Teaching Assistant, University of California, Los Angeles, Graduate Neuroanatomy

Funding Received

  • 1999-2001 Baxter Foundation Award: , 1999 to 2001.
  • University of California, Santa Cruz: Undergraduate Research Fellowship, 1975 to 1976.
  • National Science Foundation: Undergraduate Research Participant Grant, to 1976.
  • Human Frontier Science Program: Co-Principal Investigator, to 1996.
  • National Institutes of Health R01 (NS 18741): Neural Basis of Endogenous Potentials in Humans., to 1997.

Publications

  • Ulbert I, Karmos G, Heit G, Halgren E, Early discrimination of coherent versus incoherent motion by multiunit and synaptic activity in human putative MT+, Human Brain Mapping, 13(4), 226-38, August 2001 Abstract
  • Ulbert I, Halgren E, Heit G, Karmos G, Multiple microelectrode-recording system for human intracortical applications, Journal of Neuroscience Methods, 106(1), 69-79, 2001 Abstract
  • Abbasi HR, Hariri S, Martin D, Risinger M, Heit G, Neuronavigational epilepsy focus mapping, Studies in Health Technology and Informatics, 81, 8-10, 2001 Abstract
  • Cahn DA, Sullivan EV, Shear PK, Heit G, Lim KO, Marsh L, Lane B, Wasserstein P, Silverberg GD, Neuropsychological and motor functioning after unilateral anatomically guided posterior ventral pallidotomy. Preoperative performance and three-month follow-up, Neuropsychiatry, Neuropsychology, and Behavioral Neurology, 11(3), 136-45, July 1998 Abstract
  • Heit G, Silverberg GD, Stereotactic neurosurgery for movement disorders: Surgical considerations, Anesthesiologist Manual of Surgical Procedures. R Jaffe and S Samuels (eds). Lippincott-Williams-Wilkins, Rochester, NY, pp. 49-51, 1998
  • Cahn DA, Shear, PK, Pfefferbaum A, Heit G, Silverberg GD, Differential contributions of cognitive and motor component processes to physical and instrumental activities of daily living in Parkinson’s disease, Archives of Clinical Neuropsychology, 13(7), 575-583, 1998
  • Baudena P, Halgren E, Heit G, Clarke JM, Intracerebral potentials to rare target and distractor auditory and visual stimuli. III. Frontal cortex, Electroencephalography and Clinical Neurophysiology, 94(4), 251-64, April 1995 Abstract
  • Halgren E, Baudena P, Clarke JM, Heit G, Marinkovic K, Devaux B, Vignal JP, Biraben A, Intracerebral potentials to rare target and distractor auditory and visual stimuli. II. Medial, lateral and posterior temporal lobe, Electroencephalography and Clinical Neurophysiology, 94(4), 229-50, April 1995 Abstract
  • Halgren E, Baudena P, Clarke JM, Heit G, Liegeois C, Chauvel P, Musolino A, Intracerebral potentials to rare target and distractor auditory and visual stimuli. I. Superior temporal plane and parietal lobe, Electroencephalography and Clinical Neurophysiology, 94(3), 191-220, March 1995 Abstract
  • Halgren E, Baudena P, Heit G, Clarke JM, Marinkovic K, Chauvel P, Clarke M [corrected to Clarke JM], Spatio-temporal stages in face and word processing. 2. Depth-recorded potentials in the human frontal and Rolandic cortices, Journal of Physiology (Paris), 88(1), 51-80, 1994 Abstract
  • Heit G, Smith ME, Halgren E, Neuronal activity in the human medial temporal lobe during recognition memory, Brain, 113 ( Pt 4), 1093-112, August 1990 Abstract
  • Heit G, Smith ME, Halgren E, Neural encoding of individual words and faces by the human hippocampus and amygdala, Nature, 333(6175), 773-5, 1988 Abstract
  • Bridgeman B, Lewis S, Heit G, Nagle M, Relation between cognitive and motor-oriented systems of visual position perception, Journal of Experimental Psychology. Human Perception and Performance, 5(4), 692-700, November 1979 Abstract

Profile Details

Last Updated: 3/8/2002

COS Expertise ID #696266
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