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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Relationship between structural brainstem and brain plasticity and lower-limb training in spinal cord injury: a longitudinal pilot study
|
|---|---|
| Published in |
Frontiers in Human Neuroscience, May 2015
|
| DOI | 10.3389/fnhum.2015.00254 |
| Pubmed ID | |
| Authors |
Michael Villiger, Patrick Grabher, Marie-Claude Hepp-Reymond, Daniel Kiper, Armin Curt, Marc Bolliger, Sabina Hotz-Boendermaker, Spyros Kollias, Kynan Eng, Patrick Freund |
| Abstract |
Rehabilitative training has shown to improve significantly motor outcomes and functional walking capacity in patients with incomplete spinal cord injury (iSCI). However, whether performance improvements during rehabilitation relate to brain plasticity or whether it is based on functional adaptation of movement strategies remain uncertain. This study assessed training improvement-induced structural brain plasticity in chronic iSCI patients using longitudinal MRI. We used tensor-based morphometry (TBM) to analyze longitudinal brain volume changes associated with intensive virtual reality (VR)-augmented lower limb training in nine traumatic iSCI patients. The MRI data was acquired before and after a 4-week training period (16-20 training sessions). Before training, voxel-based morphometry (VBM) and voxel-based cortical thickness (VBCT) assessed baseline morphometric differences in nine iSCI patients compared to 14 healthy controls. The intense VR-augmented training of limb control improved significantly balance, walking speed, ambulation, and muscle strength in patients. Retention of clinical improvements was confirmed by the 3-4 months follow-up. In patients relative to controls, VBM revealed reductions of white matter volume within the brainstem and cerebellum and VBCT showed cortical thinning in the primary motor cortex. Over time, TBM revealed significant improvement-induced volume increases in the left middle temporal and occipital gyrus, left temporal pole and fusiform gyrus, both hippocampi, cerebellum, corpus callosum, and brainstem in iSCI patients. This study demonstrates structural plasticity at the cortical and brainstem level as a consequence of VR-augmented training in iSCI patients. These structural changes may serve as neuroimaging biomarkers of VR-augmented lower limb neurorehabilitation in addition to performance measures to detect improvements in rehabilitative training. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 178 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Croatia | 1 | <1% |
| Unknown | 177 | 99% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 37 | 21% |
| Researcher | 24 | 13% |
| Student > Master | 23 | 13% |
| Student > Bachelor | 17 | 10% |
| Student > Doctoral Student | 8 | 4% |
| Other | 27 | 15% |
| Unknown | 42 | 24% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 34 | 19% |
| Neuroscience | 22 | 12% |
| Engineering | 14 | 8% |
| Nursing and Health Professions | 13 | 7% |
| Psychology | 13 | 7% |
| Other | 31 | 17% |
| Unknown | 51 | 29% |
Attention Score in Context
This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 April 2015.
All research outputs
#14,807,732
of 22,800,560 outputs
Outputs from Frontiers in Human Neuroscience
#4,908
of 7,145 outputs
Outputs of similar age
#147,999
of 264,555 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#135
of 186 outputs
Altmetric has tracked 22,800,560 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,145 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.6. This one is in the 27th percentile – i.e., 27% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 264,555 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 186 others from the same source and published within six weeks on either side of this one. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.