Gammon M. Earhart, Ph.D., P.T.

Physical Therapy

Neurosciences Program

  • 314-286-1407

  • 314-286-1478

  • 314-286-1410

  • 8502

  • 4444 Forest Park Blvd., Campus Box 8502, Room B115



  • gait, balance, Parkinson disease, motor control, movement, neurodegeneration, neuroimaging, neurorehabilitation

  • Neural Control of Movement in Health and Disease

Research Abstract:

We employ kinematic, kinetic, electromyographic, videooculographic and neuroimaging techniques to study the neural control of movement. Our work focuses primarily on individuals with movement disorders, with a particular emphasis on Parkinson disease (PD). Major lines of research in the laboratory focus on:
1) Mechanisms underlying gait impairments, such as difficulty turning and freezing, experienced by individuals with PD
2) Adaptive control of locomotion in response to novel stimuli and training paradigms
3) Effects of exercise interventions, such as dance and treadmill training, on body and brain function in PD
4) Effectiveness and side effects of deep brain stimulation to treat movement disorders
5) Natural history of disease progression in PD
6) Use of mobile health approaches to enhance physical activity and wellness in PD.

Selected Publications:

Prateek, G.V., Skog, I., McNeely, M.E., Duncan, R.P., Earhart, G.M., Nehorai, A. Modeling, detecting, and tracking freezing of gait in Parkinson disease using inertial sensors. IEEE-TBME, in press.

Falvo, M.J., Sirevaag, E.J., Rohrbaugh, J.W., Alexander, T., Earhart, G.M. Effects of Parkinson disease and antiparkinson medication on central adaptations to repetitive grasping. Life Sciences, in press.

Myers, P.S., McNeely, M.E., Pickett, K.A., Duncan, R.P., Earhart, G.M. Effects of exercise on gait and motor imagery in people with Parkinson disease and freezing of gait. Parkinsonism Relat Disord, in press.

Rawson, K.S., McNeely, M.E., Duncan, R.P., Pickett, K.A., Perlmutter, J.S., Earhart, G.M. Exercise and Parkinson disease: comparing tango, treadmill and stretching. J Neurol Phys Ther, in press.

Rawson, K.S., Creel, P., Templin, L., Horin, A.P., Duncan, R.P., Earhart, G.M. Freezing of gait boot camp: Feasibility, safety, and preliminary efficacy of a community-based group intervention. Neurodegener Dis Manag, in press.

Seidler, K.J., Duncan, R.P., McNeely, M.E., Hackney, M.E., Earhart, G.M. (2017) Feasibility and preliminary efficacy of a telerehabilitation approach to group adapted tango instruction for people with Parkinson disease. Journal of Telemedicine and Telecare, 23(8): 740-746.

Duncan, R.P., Combs-Miller, S., Leddy, A.L., Cavanaugh, J.T., Dibble, L.E., Ellis, T. D., Ford, M.P., Foreman K.B., Earhart, G.M. (2017) Are the average gait speeds during the 10-meter and 6-minute walk tests redundant in Parkinson disease? Gait Posture, 52: 178-182. PMC5337136

Myers, P.S., McNeely, M.E., Koller, J.M., Earhart, G.M., Campbell, M.C. (2017) Cerebellar volume and executive function in Parkinson disease with and without freezing of gait. J Parkinson Disease, 7(1): 149-157. PMC5322196.

Harrison, E.C., McNeely, M.E., Earhart, G.M. (2017) The feasibility of singing to improve gait in Parkinson disease. Gait & Posture, 53: 224-229. PMC5373799

Duncan, R.P., McNeely, M.E., Earhart, G.M. (2017) Maximum step length test performance in Parkinson disease: a cross-sectional study. J Neurol Phys Ther, 41(4): 215-221. PMC5678977

Last Updated: 7/24/2018 2:14:48 PM

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