Evidence map›Paper›PMID 21609832›Full record

Trial reportNeuron2011

Rethinking motor learning and savings in adaptation paradigms: model-free memory for successful actions combines with internal models.

Vincent S Huang, Adrian Haith, Pietro Mazzoni, John W Krakauer

Registry-linked trialAbstract readComparative StudyRandomized Controlled Trial
In one paragraph

Trial report in Neuron, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05229185 (Error-enhancement as Basis for Novel Upper Limb Rehabilitation in the Chronic Phase After Stroke), which is not on this map. Cited by 264 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
264citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT05229185 early_phase1completednot on this mapstarted 2022, after this paper: background citation

Error-enhancement as Basis for Novel Upper Limb Rehabilitation in the Chronic Phase After Stroke: a 5-day Pre-post Intervention Study.

TypeinterventionalSponsorUniversitaire Ziekenhuizen KU LeuvenRan2022 to 2022Enrolled22ConditionsChronic StrokeArmsDeXtreme training (error-enhancement)
3 · Its place in the literature

Who cites it

264 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  7. Practice Structure and Locomotor Learning After Stroke.Journal of neurologic physical therapy : JNPT · 2019
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  13. Two distinct interneuron circuits in human motor cortex are linked to different subsets of physiological and behavioral plasticity.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2014
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204 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Vincent S HuangMotor Performance Laboratory, Department of Neurology, Columbia University College of Physicians and Surgeons, New York, USA. vh2181@columbia.edu
Adrian Haith
Pietro Mazzoni
John W Krakauer

Funding

Functional Anatomy of Visuomotor Learning & Motor MemoryR01NS052804 · NINDS · JOHNS HOPKINS UNIVERSITY · PI KRAKAUER, JOHN WALTER · 2007 to 2011
$1.6M
NINDS NIH HHS R01 NS052804NINDS NIH HHS R01NS052804
6 · The paper itself

Abstract

Although motor learning is likely to involve multiple processes, phenomena observed in error-based motor learning paradigms tend to be conceptualized in terms of only a single process: adaptation, which occurs through updating an internal model. Here we argue that fundamental phenomena like movement direction biases, savings (faster relearning), and interference do not relate to adaptation but instead are attributable to two additional learning processes that can be characterized as model-free: use-dependent plasticity and operant reinforcement. Although usually "hidden" behind adaptation, we demonstrate, with modified visuomotor rotation paradigms, that these distinct model-based and model-free processes combine to learn an error-based motor task. (1) Adaptation of an internal model channels movements toward successful error reduction in visual space. (2) Repetition of the newly adapted movement induces directional biases toward the repeated movement. (3) Operant reinforcement through association of the adapted movement with successful error reduction is responsible for savings.

Indexed as

Models, BiologicalAdaptation, PhysiologicalAdultFemaleHumansLearningMaleMemoryMovementPhotic StimulationPsychomotor PerformanceYoung Adult

Identifiers

PMID21609832
PMCPMC3134523

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.