Download Publications - Mass. Eye and Ear

Richard F. Lewis
243 Charles St.
Boston, MA 02114
Tel: 617 573 3620
Fax: 617 573 4154
[email protected]
Education/Training
Undergraduate: Northwestern University, BA physics, 9/1977-6/1981
Medical: Yale University Medical School, MD, 9/1981 - 5/1986
Internship: Internal medicine, Northwestern University Medical School, 7/1986-6/1987
Residency: Neurology, Johns Hopkins Hospital, 7/1987-6/1990
Fellowship: Neuro-otology/ophthalmology, Johns Hopkins Medical School (Dr. D. Zee), 7/1990-6/1994
Academic Positions
Instructor, Department of Neurology, Johns Hopkins Medical School, 7/1994-6/1995
Assistant Professor of Neurology and Ophthalmology, Johns Hopkins Medical School, 7/1995-5/1999
Assistant Professor of Otolaryngology and Neurology, Harvard Medical School, 5/1999-4/2006
Associate Professor of Otolaryngology and Neurology, Harvard Medical School, 4/2006-present
Faculty, Harvard-MIT Division of Health Sciences and Technology, 5/2006-present
Medical Director, Jenks Vestibular Laboratory, Massachusetts Eye and Ear Infirmary, 5/1999-present
Honors/Awards
BA with highest distinction, 6/1981
Phi Beta Kappa, 6/1981
NIH National Research Service Award, 7/1990
Wilmer Institute Fellowship, 6/1992
Human Frontier Science Program award (co-I with D. Zee), 2/1992
NIH Clinical Investigator Development Award, 7/1994
Board Certification
Neurology, 6/1992
Current Research
Adaptation of the vestibular system to patterned external stimulation of the vestibular nerve (vestibular
prosthesis), studied with eye movements, psychophysics, and postural measures
Resolution of gravito-inertial force in humans and monkeys
Role of neural noise in central vestibular processing
Mechanisms underlying migraine associated dizziness and other central forms of dizziness, assessed with
psychophysics and eye movement measures.
Application of machine learning techniques to analyze clinical vestibular data (in collaboration with Dr.
Carla Brodley, Chair of Computer Science, Tufts University)
Clinical Activities
Attending Neurologist, Massachusetts Eye and Ear Infirmary, Massachusetts General Hospital
Outpatient clinic, vestibular and oculomotor disorders, 1 day/week
Interpretation of vestibular tests, 1/2 day/week
Inpatient consults for vestibular/oculomotor patients
Grant Support
PI, NIH R01, Vestibular contributions to estimated head motion and orientation. 11/2013 – 10/2018
PI, NIH R01: Vestibular migraine investigated with psychophysical and oculomotor tests. 7/2012-6/2017
Direct costs: $247,000 per year, 35% salary support
PI, NIH R01: Vestibular prosthesis tested in a vestibulopathic model. 7/2008-6/2013,
Direct costs: $315,000 per year; 50% salary support
ARRA equipment supplement, $80,000, 2009.
PI, NIH R01: Vestibular influences on spatial orientation, 3/2006- 2/2010
Co-I, NIH R01: Vestibular thresholds including psychophysical response dynamics
8/2009-7/20014, Direct costs $320,000; 28% salary support
Co-I, European Union Collaborative Grant: Closed-loop neural prosthesis,
11/2008-10/2011, Direct costs $110,000; 5% salary support
Co-I, contract with Med El Corporation, Innsbruck Austria, to develop and test a vestibular prosthesis.
7/2011 –6/ 2016, 10% salary support
Grant Review activities
8/94 Multidisciplinary Sciences Special Emphasis Panel (SEP)
8/94
Center for Scientific Review (CSR) SEP
6/11
NIDCD SEP
10/11
CSR SEP
10/11
Communication Disorders Review Committee
3/13
NIDCD SEP
6/13
NIDCD SEP
10/13
Vestibular clinical trials review, NIDCD
3/14
NIDCD SEP
NIH/Ad hoc member
NIH/Ad hoc member
NIH/Ad hoc member
NIH/Ad hoc member
NIH/Ad hoc member
NIH/Ad hoc member
NIH/Ad hoc member
NIH/ Chair
NIH/Chair
Current Trainees
Lara Thompson, thesis advisor for PhD, MIT-Harvard HST program
Csilla Harburcakova, post-doctoral fellow, research
Joanne Wang, medical student
Yulia Valko, neurologist
Susan King, student
Publications:
Papers:
Priesol AJ, Valko Y, Merfeld DM, Lewis RF. Motion perception in patients with idiopathic bilateral
vestibular hypofunction. In Press, Otolaryn Head Neck Surg, 2014.
Lewis RF, Merfeld DM. Vestibular Implants. In: Advances in Otolaryngology volume 9, 2014.
Lewis RF, Haburcakova C, Gong G, Lee D, Merfeld DM. Electrical stimulation of semicircular canal
afferents affects the perception of head orientation. Journal of Neuroscience 33;9530-9535:2013.
(note: a Journal Club article, “One step closer to a functional vestibular prosthesis” by Dakin CJ, Elmore C,
and Rosenberg A, was published in Journal of Neuroscience (2013;33 14978-14980), about the above
study)
Lewis RF, Nicoucar K, Gong W, Haburcakova C, Merfeld DM. Adaptation of vestibular tone studied with
electrical stimulation of semicircular canal afferents. JAR0 14;331-340:2013.
Valko Y, Lewis RF, Priesol AJ, Merfeld DM. Vestibular labyrinth contributions to human whole-body
motion discrimination. Journal of Neuroscience 32;13537-13542:2012.
Merfeld DM, Lewis RF. Replacing semicircular canal function with a vestibular implant. Current Opinion
in Otolaryngology and Head & Neck Surgery 20;386-392:2012.
Lewis RF, Haburcakova C, Gong W, Karmali F, Merfeld DM. Spatial and temporal characteristics of eye
movements produced by electrical stimulation of semicircular canal afferents. Journal of Neurophysiology
108;1511-1520:2012.
Thompson LA, Haburcakova C, Gong W, Lee D, Wall C, Merfeld DM, Lewis RF. Responses evoked by a
vestibular implant providing chronic stimulation. Journal of Vestibular Research, 22;11-15:2012.
Haburcakova C, Lewis RF, Merfeld DM. Frequency dependence of vestibulo-ocular reflex thresholds.
Journal of Neurophysiology 107;973-983:2012.
Lewis RF, Priesol AJ, Nicoucar K, Lim K, Merfeld DM. Dynamic tilt thresholds are reduced in vestibular
migraine. Journal of Vestibular Research, 21;323-330:2011.
Lewis RF, Haburcakova C, Gong W, Lee D, Wall C, Thompson L, Merfeld DM. Vestibular prosthesis
tested in rhesus monkeys. Conf Proc IEEE Eng Med Biol Soc 2277-2279:2011.
Lewis RF, Priesol AJ, Nicoucar K, Lim K, Merfeld DM. Abnormal motion perception in vestibular
migraine. Laryngoscope, 121;1124-1125:2011.
Lewis RF, Haburcakova C, Gong W, Merfeld DM. Vestibulo-ocular reflex adaptation studied with
chronic motion-modulated electrical stimulation of semicircular canal afferents. Journal of
Neurophysiology, 103;1066-1079:2010.
Merfeld DM, Priesol A, Lee D, Lewis RF. Potential solutions to several vestibular challenges facing
clinicians. Journal of Vestibular Research 20;71-77:2010.
Nam E-C, Lewis RF, Nakajima HH, Merchant SN, Levine RA. Superior semicircular canal dehiscence
presenting with head-rotation induced tinnitus. Journal of Laryngology and Otology, 29;1-3:2009.
Lewis RF, Traish A,Lessell S. Atypical voluntary nystagmus. Neurology, 72;467-469:2009.
Lewis RF, Haburcakova C, Merfeld DM. Roll tilt psychophysics in rhesus monkeys during vestibular and
visual stimulation. Journal of Neurophysiology, 100;140-153:2008.
Merfeld DM, Gong W, Haburcakova C, Lewis RF. Vestibulo-ocular Reflexes Evoked by Chronic
Stimulation Provided by a Vestibular Prosthesis. IEEE Transactions on Biomedical Engineering, 54;10051015:2007.
Lewis RF, Carey JP. Eye movement abnormalities associated with unilateral loss of vestibular function.
The New England Journal of Medicine 355:24, e26,2006.
Merfeld DM, Gong W, Morrissey J, Saginaw M, Haburcakova C, Lewis RF. Acclimation to Chronic
Constant-Rate Peripheral Stimulation Provided by a Vestibular Prosthesis. IEEE Transactions on
Biomedical Engineering, 53;2362-2372:2006.
Lewis RF, Haburcakova C, Merfeld DM. Tilt psychophysics measured in non-human primates. Annals
New York Academy of Sciences, 1039;294-305:2005.
Lewis RF. Frequency-specific mal de debarquement. Neurology, 63;1983-1984:2004.
Lewis RF, Zee DS, Clendaniel R. Vergence-dependent adaptation of the vestibulo-ocular reflex.
Experimental Brain Research, 152;335-340:2003.
Lewis RF. Context-dependent adaptation of visually-guided arm movements and vestibular eye
movements: role of the cerebellum. The Cerebellum, 2;123-130:2003.
Lewis RF, Gong W, Ramsey M, Minor L, Boyle R, Merfeld DM. Vestibular adaptation studied with a
prosthetic semicircular canal. Journal of Vestibular Research, 12;87-94:2003.
Lewis RF and Crawford TO. Slow target-directed eye movements in ataxia-telangiectasia. Investigative
Ophthalmology and Visual Science, 43;686-691:2002.
Lewis RF, Zee DS, Hayman MR, and Tamargo RJ. Oculomotor function in rhesus monkey after
proprioceptive deafferentation of the extraocular muscles. Experimental Brain Research, 141;349358:2001.
Lewis RF. Ocular motor apraxia and ataxia-telangiectasia. Archives of Neurology, 58;1312:2001.
Lewis RF and Tamargo RJ. Cerebellar lesions impair context-dependent adaptation of reaching movements
in primates. Experimental Brain Research, 138;263-267:2001.
Jinnah HA, Lewis RF, Visser JE, Eddey GE, Barabas G, and Harris JC. Ocular motor function in LeschNyhan disease. Pediatric Neurology, 24;200-204:2001.
Lewis RF, Lederman HM, and Crawford TO. Ocular motor abnormalities in ataxia-telangiectasia. Annals
of Neurology, 46;287-295:1999.
Lewis RF, Zee DS, Goldstein HP, and Guthrie BL. Proprioceptive and retinal afference modify
postsaccadic ocular drift. Journal of Neurophysiology, 82;551-563:1999.
Averbach-Heller L, Lewis RF, and Zee DS. Disconjugate adaptation of saccades: contribution of binocular
and monocular mechanisms. Vision Research, 39;341-352:1999.
Lewis RF, Gaymard BM, and Tamargo RJ. Efference copy provides the eye position information required
for visually-guided reaching. Journal of Neurophysiology, 80;1605-1608:1998.
Lewis RF. Vertigo: uncommon causes of a common problem. Seminars in Neurology, 16;55-62:1996
Lewis RF, Zee DS, Repka MX, Guyton DL, and Miller NR. Regulation of static and dynamic ocular
alignment in patients with trochlear nerve pareses. Vision Research, 35; 3255-3264:1995.
Lewis RF, Zee DS, Gaymard BM, and Guthrie BL. Extraocular muscle proprioception functions in the
control of ocular alignment and eye movement conjugacy. Journal of Neurophysiology, 72;10281031:1994.
Lewis RF and Zee DS. Ocular motor disorders associated with cerebellar lesions: pathophysiology and
topical localization. Revue Neurologique, 149;665-677:1993.
Lewis RF and Zee DS. Abnormal spatial localization with trigeminal-oculomotor synkinesis: evidence for
a proprioceptive effect. Brain, 116;1105-1118:1993.
Book chapters:
Cohen M, Lewis RF, Lee D. Dizziness in Children. In: Sataloff's Comprehensive Textbook of
Otolaryngology, 2013.
Liberman MC, Rosowski JJ, Lewis RF. Physiology and Pathophysiology. In: Shucknect’s Pathology of
the Ear, edited by Merchant SN and Nadol JB, BC Decker, 2010.
Lewis RF. Motion sickness. In: UpToDate, edited by Rose BD, UpToDate, Wellesley, MA, 2006.
Stern BJ, Wityk RJ, Lewis RF. Disorders of the cranial nerves and brain stem. Clinical Neurology, edited
by Joynt RJ, Lippincott, Philadelphia, 2004.
Wall C, Lewis RF, Rauch S. Evaluation of the vestibular system. In: Surgery of the Ear and Temporal
Bone, 2nd edition, edited by Nadol JR and McKenna M, Raven Press, New York, 2004.
Lewis RF. Hereditary cerebellar ataxia. In: Current Therapy in Neurologic Disease, 5th edition, edited by
Johnson RT and Griffin JR, BC Mosby, St. Louis, 1996;282-286.
Bass EB, Lewis RF. Dizziness, vertigo, motion sickness, near syncope, syncope, and dysequilibrium. In:
Ambulatory Medicine, edited by Barker LR, Burton JR, and Zeive PD, Williams and Wilkins, Baltimore,
1995;1198-1217.
Lewis RF, Zee DS, Guthrie BL. Extraocular muscle proprioception contributes to disconjugate ocular
motor adaptation. In: Contemporary Ocular Motor and Vestibular Research: A Tribute to David A.
Robinson, edited by Fuchs AF, Brandt T, Buttner U, and Zee DS, Verlag, Stuttgart, 1994;339-341.
Talks
Research:
Vestibular prosthesis tested in non-human primates, Symposium on Vestibular Prosthetics, International
Society for Posture and Gait Research, Vancouver, July 2014.
Vestibular disorders -- new diagnostic and therapeutic methods, Combined Neurology and Otolaryngology
Grand Rounds, University of Connecticut, March 2014
Advances in the diagnosis and treatment of vestibular disorders. Otolaryngology Grand Rounds, Stanford
Medical School, January 2014
Machine learning analysis improves the diagnostic accuracy of clinical vestibular testing. Otolaryngology
Grand Rounds, UCSF Medical School, January 2014
Does neural noise affect central vestibular processing? Center for Hearing and Balance, Johns Hopkins
Hospital, Baltimore, Sept 2013.
Central vestibular processing investigated with electrical stimulation of canal ampullary nerves, Sensing
Motion for Action Symposium, McGill Univ., Montreal, July 2013
Investigating vestibular function with perceptual threshold testing, Spaulding Hospital, Boston MA April
2013
Vestibular contributions to tilt perception in non-human primates, Symposium on “Vestibular
Psychophysics,” Association for Research in Otolaryngology, San Diego CA, February 2012
Vestibular contributions to postural control studied in rhesus monkey, Volen Center for Complex Systems,
Brandeis University, Waltham MA, October 2011.
Vestibular influences on spatial orientation: oculomotor, perceptual, and postural, Center for Hearing and
Balance, Johns Hopkins Hospital, Baltimore, April 2011
Vestibular prosthesis tested in non-human primates, 8th symposium on the role of vestibular organs in space
exploration, Houston, April 2011
Responses evoked by a vestibular implant providing chronic stimulation, Symposium on “Prosthetic
stimulation of the vestibular system,” Association for Research in Otolaryngology meeting, Baltimore,
February 2011
Enhanced motion perception in vestibular migraine. Barany Society Meeting, Iceland, August 2010.
Abnormal motion perception in migraine associated dizziness. Presidential Symposium, Association for
Research in Otolaryngology meeting, Annaheim, February 2010.
Semicircular canal prosthesis tested in rhesus monkey. Society for Neuroscience annual meeting, Chicago
IL, October 2009
Central vestibular disorders investigate with psychophysics. Neurology Grand Rounds, Johns Hopkins
Medical School, Baltimore MD, October 2009
Vestibular prosthesis tested in a vestibulopathic model, Association for Research in Otolaryngology,
Baltimore, MD, February 2009.
Vestibular prosthesis tested in a vestibulopathic model, Johns Hopkins Medical School, October 2008.
Eye movement abnormalities in ataxia-telangiectasia, National Eye Institute/NIH, Bethesda MD, July 2008.
Vestibular contributions to spatial orientation and postural control, Neuroscience Grand Rounds, Barrow
Neuroscience Institute, Phoenix AZ, April 2008.
Vestibular influences on tilt perception and postural control in rhesus monkey, Society for Neuroscience,
San Diego CA, November 2007.
Vestibular influences on the subjective visual vertical, American Academy of Neurology annual meeting,
Boston, MA, May 2007
Vestibular influences on tilt psychophysics and postural control in rhesus monkey, Neurology Grand
Rounds, Emory University Medical School, Atlanta GA March 2007
Stimulating the brain with a vestibular prosthesis, Neurology Grand Rounds, Massachusetts General
Hospital, Boston MA, September 2006.
Effects of semicircular canal activation on perceived head orientation. Association for Research in
Otolaryngology, Baltimore, MD, February 2006.
Are the semicircular canals “graviceptors”? Society for Neuroscience, Washington DC November 2005.
Vestibular influences on spatial orientation. Department of Otolaryngology, Johns Hopkins Medical
School, April 2005.
Can vestibular disorders be treated with a prosthetic semicircular canal? Otolaryngology Grand Rounds,
New York University Medical School, September 2004.
Vestibular adaptation studied with a prosthetic semicircular canal, 23 rd Barany Society Meeting, Paris, July
2004.
Roll tilt perception in rhesus monkeys, Clinical and Basic Ocular Motor Research, Satellite to the 23 rd
Barany Society Meeting, Sienna Italy, July 2004.
Disconjugate ocular motor adaptation: role of proprioceptive and retinal cues. National Eye Institute/NIH,
Bethesda MD, April 2004.
Treating vestibular disorders with a prosthetic semicircular canal. Neurology Grand Rounds, Johns
Hopkins Medical School, May 2003.
Vestibular adaptation in squirrel monkey studied with a prosthetic semicircular canal, Association for
Research in Otolaryngology, Daytona Beach, February 2003
Context-dependent adaptation in the vestibular system: role of the cerebellum, Neurology Grand Rounds,
Georgetown Medical School, January 2002.
Which way is up? How the brain differentiates gravitational and inertial force, University of Vermont
Medical School Neuroscience Grand Rounds/Visiting Professor, October 2001
Cross-axis vestibular adaptation produced by patterned electrical stimulation, American Academy of
Neurology meeting, Philadelphia, May 2001
Vestibular adaptation studied with a prosthetic semicircular canal, Neurology Grand Rounds, Harvard
Medical School, April 2001
Eye movements in cerebellar agenesis, International Clinical Eye Movement Society ocular motor
symposium, American Neurological Association meeting, Boston, October 2000.
Eye-head coordination in ataxia telangiectasia, American Academy of Neurology meeting, San Diego, May
2000.
Ocular motor abnormalities in ataxia telangiectasia, Neurology Grand Rounds, Johns Hopkins Medical
School, June 1998.
Binocular coordination: theory and therapy, Neuroscience series, Johns Hopkins Medical School, May
1996.
Regulation of static and dynamic ocular alignment in patients with trochlear nerve pareses. Binocular
Ocular Coordination and Plasticity Meeting, Santorini Greece, October 1994.
Role of ocular proprioception in the control of eye movements and pointing. INSERM Unite 94, Lyon
France, October 1994.
Extraretinal oculomotor control signals, Osaka University, Osaka Japan, March 1994.
Clinical:
What is the utility of clinical vestibular testing? A decade of data analyzed with machine learning
algorithms. Otolaryngology Grand Rounds, Mass. Eye and Ear Infirmary, November 2013
Vestibular Migraine, Faulkner Hospital Headache Center, Boston MA, April 2013
Vestibular migraine investigated with perceptual and eye movement studies, Harvard Comprehensive
Headache Center, Boston MA, April 2013
Testing the vestibular system, New England Otolaryngological Society Meeting, December 2012.
Vestibular migraine, Eaton-Peabody lecture series, December 2012.
Evaluation of vertigo in children, Mass Eye and Ear Infirmary Otolaryngology Grand Rounds, January
2012
Evaluation of dizziness in children. Children’s Hospital Boston, Otolaryngology rounds, October 2011.
Evaluation and treatment of vestibular disorders, Spaulding Hospital, Physical Medicine and Rehabilitation
rounds, Boston MA, April 2009.
Eye movement abnormalities associated with cerebellar dysfunction, International Otoneurology Society,
“Lecture Magistrale”, Lausanne Switzerland, May 2008.
Evaluation and treatment of vestibular disorders, Neuroscience Grand Rounds, Tufts-New England Medical
Center, Boston MA, March 2008.
Evaluating dizziness in children, Pediatrics Grand Rounds, Newton-Wellesley Hospital, Newton MA,
January 2007.
Differential diagnosis of dizziness. Otolaryngology Grand Rounds, Massachusetts Eye and Ear Infirmary,
Boston, MA, November 2006.
Evaluating and treating vestibular disorders, Physical Medicine and Rehabilitation Grand Rounds,
Spaulding Rehabilitation Hospital, Boston MA September 2006.
Vestibular Testing, in “Update in Otology and Otologic Surgery for the General Otolaryngologist, Harvard
Medical School continuing medical education course, June 2006.
Evaluation and treatment of dizziness and imbalance, “Have You Heard” symposium, Massachusetts Eye
and Ear Infirmary, Boston MA, November 2005
Evaluation of patients with vestibular disorders, Otolaryngology Grand Rounds, University of Maryland,
Baltimore Maryland, April 2005.
Non-surgical management of benign positional vertigo, Otology CPC, Massachusetts Eye and Ear
Infirmary, Boston MA Feb 2004
Managing the dizzy patient, Partners Physicians Day, Boston MA, Feb 2004
Evaluation and treatment of dizziness, Neurology Grand Rounds, Beverly Hospital, Beverly MA, Jan 2004
What the internist should know about inner ear disorders, Internal Medicine CPC, Brigham and Women’s
Hospital, Boston, MA, Nov 2003
Vestibular Testing, in “Update in Otology and Otologic Surgery for the General Otolaryngologist, Harvard
Medical School continuing medical education course, June 2003.
Evaluation of the dizzy patient, Internal Medicine Associates, Massachusetts General Hospital, Boston,
MA, May 2003
Evaluation of dizziness in children, Department of Otolaryngology, The Children’s Hospital, Boston MA,
July 2002.
Evaluation and therapy of vestibular disorders, Bulfinch Medical Group/Massachusetts General Hospital,
Boston, MA June 2002.
Evaluation of vestibular disorders, Otolaryngology Grand Rounds, Massachusetts Eye and Ear Infirmary,
Boston, MA, December 2000.
Vestibular disorders, Medical Grand Rounds, Cambridge Hospital, Cambridge MA, November 2000.
The vestibular system, Harvard Medical School Teacher Institute/Program for Minority Faculty
Development and Diversity, Harvard Medical School, Boston MA, November 1999.
Evaluation of the dizzy patient, Medical Grand Rounds, Johns Hopkins Medical School, Baltimore, MD,
September 1998.
Evaluation of diplopia, ER Neuro-ophthalmology course, American Academy of Neurology meeting,
Minneapolis, MN, April 1998.
Evaluation of vestibular disorders, Maryland Academy of Audiology meeting, October 1996.
Clinical evaluation of vestibular disorders, Neurology Grand Rounds, Wayne State Medical School,
Detroit, MI, July 1995.
Clinical evaluation of the dizzy patient, Medical Grand Rounds, Frederick Memorial Hospital,
Frederick,MD, September 1994.
Evaluation of vestibular disorders, Medical Grand Rounds, The Washington Hospital Center, Washington
DC, November 1993.
Other Teaching
Clinical talks on the vestibular and oculomotor systems to otolaryngology and neurology residents, medical
students, and graduate students at Harvard Medical School and MIT, ongoing.
Clinical presentations to the Harvard Medical School Summer Math and Science Program for high school
students, Harvard Medical School Program for Minority Faculty Development and Diversity, Boston, MA,
August 1999-2003.
Neurology clinical skills course, MGH/Harvard Medical School
Neurology clerkship examination, MGH/Harvard Medical School
Ambulatory Care Residency Training Program, Beth Israel Deaconess Medical Center
Lecturer, Sensory-neural systems: spatial orientation from vestibular end organ to behavior and adaptation,
MIT/Harvard HST graduate school course, Spring 2002, 2004
National Committees
Reviewer, Translational research study section, NIH/NIDCD, 4/2011 - present
NASA Human Research Program Sensorimotor Risk Standing Review Panel, 2/2009 – present
Dizziness-Migrainous Vertigo Focus Group, CHEER national network (Creating Healthcare Excellence
through Education and Research), 8/2009- present
Editorial Activities
Editorial Boards, Otology & Neurotology
Journal of Neurophysiology
The New England Journal of Medicine, ad hoc reviewer
Science Translational Medicine, ad hoc reviewer
Annals of Neurology, ad hoc reviewer
Journal of Neurophysiology, ad hoc reviewer
Vision Research, ad hoc reviewer
Experimental Brain Research, ad hoc reviewer
Ear and Hearing, ad hoc reviewer
European Journal of Neurology, ad hoc reviewer
The Laryngoscope, ad hoc reviewer
Neuroscience Letters, ad hoc reviewer
Brain, ad hoc reviewer
Journal of Neuro-Ophthalmology, ad hoc reviewer
Animal Cognition, ad hoc reviewer
Neurology, ad hoc reviewer
Journal of Neurology, ad hoc reviewer
Journal Watch Neurology, contributing editor
Faculty of 1000 Medicine, Faculty member, Neuro-ophthalmology and Neuro-otology section
Otology & Neurotology, ad hoc reviewer
The Cerebellum, ad hoc reviewer
Administrative Activities
Medical director, Jenks Vestibular Laboratory, MEEI, 5/1999- present
Chairman of otoneurology search committee, MEEI, 10/2004
Member, Animal Care Committee, MEEI, 4/2004 - /32008