Reza Shadmehr

Professor

1988 …2019
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Research Output 1988 2019

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2019

Behavioral training of marmosets and electrophysiological recording from the cerebellum

Sedaghat-Nejad, E., Herzfeld, D. J., Hage, P., Karbasi, K., Palin, T., Wang, X. & Shadmehr, R., Oct 1 2019, In : Journal of neurophysiology. 122, 4, p. 1502-1517 16 p.

Research output: Contribution to journalArticle

Open Access
Callithrix
Cerebellum
Saccades
Purkinje Cells
Primates

Reward Prediction Error Modulates Saccade Vigor

Sedaghat-Nejad, E., Herzfeld, D. J. & Shadmehr, R., Jun 19 2019, In : The Journal of neuroscience : the official journal of the Society for Neuroscience. 39, 25, p. 5010-5017 8 p.

Research output: Contribution to journalArticle

Saccades
Reward
Dopamine
Reaction Time
2018

Control of movement vigor and decision making during foraging

Yoon, T., Geary, R. B., Ahmed, A. A. & Shadmehr, R., Oct 30 2018, In : Proceedings of the National Academy of Sciences of the United States of America. 115, 44, p. E10476-E10485

Research output: Contribution to journalArticle

Saccades
Decision Making
Reward
Brain
History

Encoding of error and learning to correct that error by the Purkinje cells of the cerebellum

Herzfeld, D. J., Kojima, Y., Soetedjo, R. & Shadmehr, R., May 1 2018, In : Nature Neuroscience. 21, 5, p. 736-743 8 p.

Research output: Contribution to journalArticle

Purkinje Cells
Cerebellum
Learning
Cerebellar Cortex
Saccades

Estimating properties of the fast and slow adaptive processes during sensorimotor adaptation

Albert, S. T. & Shadmehr, R., Apr 1 2018, In : Journal of Neurophysiology. 119, 4, p. 1367-1393 27 p.

Research output: Contribution to journalArticle

Learning
Aptitude
Stochastic Processes
Space Simulation
Least-Squares Analysis

Movement vigor as a traitlike attribute of individuality

Reppert, T. R., Rigas, I., Herzfeld, D. J., Sedaghat-Nejad, E., Komogortsev, O. & Shadmehr, R., Aug 9 2018, In : Journal of Neurophysiology. 120, 2, p. 741-757 17 p.

Research output: Contribution to journalArticle

Individuality
Arm
Head
Reward
Head Movements

Vigor of reaching movements: Reward discounts the cost of effort

Summerside, E. M., Shadmehr, R. & Ahmed, A. A., Jun 1 2018, In : Journal of Neurophysiology. 119, 6, p. 2347-2357 11 p.

Research output: Contribution to journalArticle

Reward
Costs and Cost Analysis
Reaction Time
Saccades
Economics
2017

Learning to predict and control the physics of our movements

Shadmehr, R., Feb 15 2017, In : Journal of Neuroscience. 37, 7, p. 1663-1671 9 p.

Research output: Contribution to journalArticle

Physics
Learning
Brain
Arm
Hand
2016

A Representation of Effort in Decision-Making and Motor Control

Shadmehr, R., Huang, H. J. & Ahmed, A. A., Mar 1 2016, (Accepted/In press) In : Current Biology.

Research output: Contribution to journalArticle

Reward
decision making
Decision Making
Animals
Decision making

Biometric recognition via eye movements: Saccadic vigor and acceleration cues

Rigas, I., Komogortsev, O. & Shadmehr, R., Jan 1 2016, In : ACM Transactions on Applied Perception. 13, 2, 6.

Research output: Contribution to journalArticle

Eye Movements
Eye movements
Saccades
Biometrics
Cues

The neural feedback response to error as a teaching signal for the motor learning system

Albert, S. T. & Shadmehr, R., Apr 27 2016, In : Journal of Neuroscience. 36, 17, p. 4832-4845 14 p.

Research output: Contribution to journalArticle

Teaching
Learning
Electromyography
Muscles
Visual Pathways
2015

Altering effort costs in Parkinson’s disease with noninvasive cortical stimulation

Salimpour, Y., Mari, Z. K. & Shadmehr, R., Sep 2 2015, In : Journal of Neuroscience. 35, 35, p. 12287-12302 16 p.

Research output: Contribution to journalArticle

Parkinson Disease
Noise
Costs and Cost Analysis
Electrodes
Motor Cortex

Behavioural and neural basis of anomalous motor learning in children with autism

Marko, M. K., Crocetti, D., Hulst, T., Donchin, O., Shadmehr, R. & Mostofsky, S. H., 2015, In : Brain. 138, 3, p. 784-797 14 p.

Research output: Contribution to journalArticle

Autistic Disorder
Learning
Cerebellum
Proprioception
Stereotyped Behavior

Encoding of action by the Purkinje cells of the cerebellum

Herzfeld, D. J., Kojima, Y., Soetedjo, R. & Shadmehr, R., Oct 14 2015, In : Nature. 526, 7573, p. 439-441 3 p.

Research output: Contribution to journalArticle

Saccades
Purkinje Cells
Cerebellum
Neurons
Macaca mulatta

Modulation of error-sensitivity during a prism adaptation task in people with cerebellar degeneration

Hanajima, R., Shadmehr, R., Ohminami, S., Tsutsumi, R., Shirota, Y., Shimizu, T., Tanaka, N., Terao, Y., Tsuji, S., Ugawa, Y., Uchimura, M., Inoue, M. & Kitazawa, S., Aug 26 2015, In : Journal of Neurophysiology. 114, 4, p. 2460-2471 12 p.

Research output: Contribution to journalArticle

Sensory Feedback
Aptitude
Cerebellar Ataxia
Atrophy
Glass

Modulation of saccade vigor during value–based decision making

Reppert, T. R., Lempert, K. M., Glimcher, P. W. & Shadmehr, R., Nov 18 2015, In : Journal of Neuroscience. 35, 46, p. 15369-15378 10 p.

Research output: Contribution to journalArticle

Saccades
Reward
Decision Making
Brain

Optimizing effort: Increased efficiency of motor memory with time away from practice

Pekny, S. E. & Shadmehr, R., Jan 15 2015, In : Journal of Neurophysiology. 113, 2, p. 445-454 10 p.

Research output: Contribution to journalArticle

Efficiency
Advisory Committees
Nervous System
Cues
Volunteers

Persistent residual errors in motor adaptation tasks: Reversion to baseline and exploratory escape

Vaswani, P. A., Shmuelof, L., Haith, A., Delnicki, R. J., Huang, V. S., Mazzoni, P., Shadmehr, R. & Krakauer, J., Apr 29 2015, In : Journal of Neuroscience. 35, 17, p. 6969-6977 9 p.

Research output: Contribution to journalArticle

Learning
Space Simulation
Cues

Reward-dependent modulation of movement variability

Pekny, S. E., Izawa, J. & Shadmehr, R., 2015, In : Journal of Neuroscience. 35, 9, p. 4015-4024 10 p.

Research output: Contribution to journalArticle

Reward
Basal Ganglia
Aptitude
Nervous System
History
2014

A memory of errors in sensorimotor learning.

Herzfeld, D. J., Vaswani, P. A., Marko, M. K. & Shadmehr, R., 2014, In : Science. 345, 6202, p. 1349-1353 5 p.

Research output: Contribution to journalArticle

Learning
Brain
History
Reinforcement (Psychology)

Cerebellum estimates the sensory state of the body

Herzfeld, D. J. & Shadmehr, R., Feb 2014, In : Trends in Cognitive Sciences. 18, 2, p. 66-67 2 p.

Research output: Contribution to journalArticle

Neurophysiology
Cerebellum
Head
Neurons
Cerebellar Vermis

Contributions of the cerebellum and the motor cortex to acquisition and retention of motor memories

Herzfeld, D. J., Pastor, D., Haith, A., Rossetti, Y., Shadmehr, R. & O'Shea, J., 2014, In : NeuroImage. 98, p. 147-158 12 p.

Research output: Contribution to journalArticle

Motor Cortex
Cerebellum
Aptitude
Learning
Sensory Feedback

Electrifying the motor engram: effects of tDCS on motor learning and control

Orban de Xivry, J. J. & Shadmehr, R., Oct 16 2014, In : Experimental Brain Research. 232, 11, p. 3379-3395 17 p.

Research output: Contribution to journalArticle

Learning
Neuronal Plasticity
Motor Cortex
Aptitude
Transcranial Direct Current Stimulation

Motor costs and the coordination of the two arms

Salimpour, Y. & Shadmehr, R., 2014, In : Journal of Neuroscience. 34, 5, p. 1806-1818 13 p.

Research output: Contribution to journalArticle

Noise
Costs and Cost Analysis
Motor Cortex
Neurons
Functional Laterality

Motor variability is not noise, but grist for the learning mill

Herzfeld, D. J. & Shadmehr, R., Feb 2014, In : Nature Neuroscience. 17, 2, p. 149-150 2 p.

Research output: Contribution to journalArticle

Psychomotor Performance
Reward
Individuality
Noise
Learning

Vigor of movements and the cost of time in decision making

Choe, J., Vaswani, P. A. & Shadmehr, R., 2014, In : Journal of Neuroscience. 34, 4, p. 1212-1223 12 p.

Research output: Contribution to journalArticle

Decision Making
Costs and Cost Analysis
Saccades
Eye Movements
Reward
2013

Changes in corticospinal excitability during reach adaptation in force fields

Orban de Xivry, J. J., Ahmadi-Pajouh, M. A., Harran, M. D., Salimpour, Y. & Shadmehr, R., Jan 1 2013, In : Journal of Neurophysiology. 109, 1, p. 124-136 13 p.

Research output: Contribution to journalArticle

Motor Evoked Potentials
Muscles
Transcranial Magnetic Stimulation
Motor Cortex
Direction compound

Decay of motor memories in the absence of error

Vaswani, P. A. & Shadmehr, R., 2013, In : Journal of Neuroscience. 33, 18, p. 7700-7709 10 p.

Research output: Contribution to journalArticle

Brain
Biomechanical Phenomena
2012

Cerebellar contributions to reach adaptation and learning sensory consequences of action

Izawa, J., Criscimagna-Hemminger, S. E. & Shadmehr, R., Mar 21 2012, In : Journal of Neuroscience. 32, 12, p. 4230-4239 10 p.

Research output: Contribution to journalArticle

Learning
Cerebellum
Appointments and Schedules
Hand
Brain

Evidence for hyperbolic temporal discounting of reward in control of movements

Haith, A., Reppert, T. R. & Shadmehr, R., Aug 22 2012, In : Journal of Neuroscience. 32, 34, p. 11727-11736 10 p.

Research output: Contribution to journalArticle

Reward
Saccades
Delay Discounting
Brain
Decision Making

Motor learning relies on integrated sensory inputs in ADHD, but over-selectively on proprioception in autism spectrum conditions

Izawa, J., Pekny, S. E., Marko, M. K., Haswell, C. C., Shadmehr, R. & Mostofsky, S. H., Apr 2012, In : Autism Research. 5, 2, p. 124-136 13 p.

Research output: Contribution to journalArticle

Proprioception
Attention Deficit Disorder with Hyperactivity
Autistic Disorder
Learning
Sensory Feedback

Preparing to reach: Selecting an adaptive long-latency feedback controller

Ahmadi-Pajouh, M. A., Towhidkhah, F. & Shadmehr, R., Jul 11 2012, In : Journal of Neuroscience. 32, 28, p. 9537-9545 9 p.

Research output: Contribution to journalArticle

Sensory Feedback
Brain
Arm
Hand
Nervous System

Sensitivity to prediction error in reach adaptation

Marko, M. K., Haith, A., Harran, M. D. & Shadmehr, R., Sep 15 2012, In : Journal of Neurophysiology. 108, 6, p. 1752-1763 12 p.

Research output: Contribution to journalArticle

Sensory Feedback
Brain
Visual Fields
2011

Contributions of the motor cortex to adaptive control of reaching depend on the perturbation schedule

Orban De Xivry, J. J., Criscimagna-Hemminger, S. E. & Shadmehr, R., Jul 2011, In : Cerebral Cortex. 21, 7, p. 1475-1484 10 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Motor Cortex
Appointments and Schedules
Learning

Learning from sensory and reward prediction errors during motor adaptation

Izawa, J. & Shadmehr, R., Mar 2011, In : PLoS Computational Biology. 7, 3, e1002012.

Research output: Contribution to journalArticle

Prediction Error
Reward
learning
Sensory Feedback
Learning

Protection and expression of human motor memories

Pekny, S. E., Criscimagna-Hemminger, S. E. & Shadmehr, R., Sep 28 2011, In : Journal of Neuroscience. 31, 39, p. 13829-13839 11 p.

Research output: Contribution to journalArticle

Confusion
Reward
Reinforcement (Psychology)

Stimulation of the human motor cortex alters generalization patterns of motor learning

de Xivry, J. J. O., Marko, M. K., Pekny, S. E., Pastor, D., Izawa, J., Celnik, P. A. & Shadmehr, R., May 11 2011, In : Journal of Neuroscience. 31, 19, p. 7102-7110 9 p.

Research output: Contribution to journalArticle

Motor Cortex
Learning
Parietal Lobe
Neuronal Plasticity
Advisory Committees

TMS perturbs saccade trajectories and unmasks an internal feedback controller for saccades

Xu-Wilson, M., Tian, J., Shadmehr, R. & Zee, D. S., Aug 10 2011, In : Journal of Neuroscience. 31, 32, p. 11537-11546 10 p.

Research output: Contribution to journalArticle

Transcranial Magnetic Stimulation
Saccades
Startle Reflex
Head
Neurons
2010

A shared resource between declarative memory and motor memory

Keisler, A. & Shadmehr, R., Nov 3 2010, In : Journal of Neuroscience. 30, 44, p. 14817-14823 7 p.

Research output: Contribution to journalArticle

Learning
Memory Consolidation

Control of movements and temporal discounting of reward

Shadmehr, R., Dec 2010, In : Current Opinion in Neurobiology. 20, 6, p. 726-730 5 p.

Research output: Contribution to journalArticle

Reward
Costs and Cost Analysis
Brain
Delay Discounting

Editorial: Neurophysiology and computational neuroscience

Rothwell, J. C., Shadmehr, R. & Yates, B., Jan 2010, In : Experimental Brain Research. 200, 3-4, p. 189-191 3 p.

Research output: Contribution to journalArticle

Computing Methodologies
Neurophysiology
Neurosciences

Error correction, sensory prediction, and adaptation in motor control

Shadmehr, R., Smith, M. A. & Krakauer, J., 2010, In : Annual Review of Neuroscience. 33, p. 89-108 20 p.

Research output: Contribution to journalArticle

Sensory Feedback
Aptitude
Learning

From equilibrium point to optimal control

Shadmehr, R., Jul 2010, In : Motor Control. 14, 3

Research output: Contribution to journalArticle

Size of error affects cerebellar contributions to motor learning

Criscimagna-Hemminger, S. E., Bastian, A. J. & Shadmehr, R., Apr 2010, In : Journal of Neurophysiology. 103, 4, p. 2275-2284 10 p.

Research output: Contribution to journalArticle

Learning
Aptitude
Cerebellum
Brain

Temporal discounting of reward and the cost of time in motor control

Shadmehr, R., De Xivry, J. J. O., Xu-Wilson, M. & Shih, T. Y., Aug 4 2010, In : Journal of Neuroscience. 30, 31, p. 10507-10516 10 p.

Research output: Contribution to journalArticle

Reward
Saccades
Costs and Cost Analysis
Biomechanical Phenomena
Delay Discounting

The coordination of movement: optimal feedback control and beyond

Diedrichsen, J., Shadmehr, R. & Ivry, R. B., Jan 2010, In : Trends in Cognitive Sciences. 14, 1, p. 31-39 9 p.

Research output: Contribution to journalArticle

Extremities
Joints
Muscles
Research
2009

Cerebellar contributions to adaptive control of saccades in humans

Xu-Wilson, M., Chen-Harris, H., Zee, D. S. & Shadmehr, R., Oct 14 2009, In : Journal of Neuroscience. 29, 41, p. 12930-12939 10 p.

Research output: Contribution to journalArticle

Saccades
Aptitude
Cerebellum
Meridians
Cerebellar Ataxia

Persistence of motor memories reflects statistics of the learning event

Huang, V. S. & Shadmehr, R., Aug 2009, In : Journal of Neurophysiology. 102, 2, p. 931-940 10 p.

Research output: Contribution to journalArticle

Learning
Brain

Representation of internal models of action in the autistic brain

Haswell, C. C., Izawa, J., R Dowell, L., Mostofsky, S. H. & Shadmehr, R., Aug 2009, In : Nature Neuroscience. 12, 8, p. 970-972 3 p.

Research output: Contribution to journalArticle

Brain
Proprioception
Sensory Feedback
Autism Spectrum Disorder

The intrinsic value of visual information affects saccade velocities

Xu-Wilson, M., Zee, D. S. & Shadmehr, R., Jul 2009, In : Experimental Brain Research. 196, 4, p. 475-481 7 p.

Research output: Contribution to journalArticle

Saccades
Brain
Noise
Lasers
Light