Cited by 591Stroke Rehabilitation and RecoveryTranscranial Magnetic Stimulation StudiesAcute Ischemic Stroke Management

Getting Neurorehabilitation Right: What Can Be Learned From Animal Models?

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Krakauer, John W., Carmichael, S. Thomas, Corbett, Dale, Wittenberg, George F.·2012·Neurorehabilitation and Neural Repair

Abstract

Animal models suggest that a month of heightened plasticity occurs in the brain after stroke, accompanied by most of the recovery from impairment. This period of peri-infarct and remote plasticity is associated with changes in excitatory/inhibitory balance and the spatial extent and activation of cortical maps and structural remodeling. The best time for experience and training to improve outcome is unclear. In animal models, very early (<5 days from onset) and intense training may lead to increased histological damage. Conversely, late rehabilitation (>30 days) is much less effective both in terms of outcome and morphological changes associated with plasticity. In clinical practice, rehabilitation after disabling stroke involves a relatively brief period of inpatient therapy that does not come close to matching intensity levels investigated in animal models and includes the training of compensatory strategies that have minimal impact on impairment. Current rehabilitation treatments have a disappointingly modest effect on impairment early or late after stroke. Translation from animal models will require the following: (1) substantial increases in the intensity and dosage of treatments offered in the first month after stroke with an emphasis on impairment; (2) combinational approaches such as noninvasive brain stimulation with robotics, based on current understanding of motor learning and brain plasticity; and (3) research that emphasizes mechanistic phase II studies over premature phase III clinical trials.

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  1. [51]Gladstone DJ Danells CJ Armesto A McIlroy WE Staines WR Graham SJ Herrmann N Szalai JP Black SE Physiotherapy coupled with dextroamphetamine for rehabilitation after hemiparetic stroke: a randomized, double-blind, placebo-controlled trial Stroke 2006 37 179 185 16322487

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Authors
Krakauer, J. W., Carmichael, S. T., Corbett, D., & Wittenberg, G. F.
Affiliations
  • Johns Hopkins University (US)
  • University of California, Los Angeles (US)
  • University of Ottawa (CA)
  • University of Maryland, Baltimore (US)
Venue
Neurorehabilitation and Neural Repair
Published
2012-03-30
Volume
26
Issue
8
Pages
923-931
ISSN
  • 0888-4390 (ISSN-L)
  • 1545-9683
  • 1552-6844
OpenAlex
W2131467344
Cited by
591
References
61
Citations by year
2026: 61 · 2025: 42 · 2024: 32 · 2023: 35 · 2022: 34 · 2021: 52 · 2020: 47 · 2019: 47 · 2018: 32 · 2017: 50 · 2016: 54 · 2015: 32 · 2014: 36 · 2013: 29 · 2012: 7
FWCI
35.19
Type
journal article
Language
en
Open access
Locations
  • Neurorehabilitation and neural repair (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Lirias (submittedVersion)
Funders
  • National Institutes of Health (VA999999)
  • National Institute on Aging (P30AG028747)
Topics
  • Health Sciences › Medicine › Rehabilitation › Stroke Rehabilitation and Recovery
  • Life Sciences › Neuroscience › Neurology › Transcranial Magnetic Stimulation Studies
  • Health Sciences › Medicine › Epidemiology › Acute Ischemic Stroke Management
Keywords
stroke rehabilitation, neuroplasticity, excitation-inhibition balance, cortical reorganization, rehabilitation timing, treatment intensity, animal models of stroke, non-invasive brain stimulation, robot-assisted therapy, motor learning, translational research
MeSH terms
Stroke Rehabilitation, Animals, Disease Models, Animal, Humans, Time Factors, Recovery of Function, Brain Infarction, Stroke

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