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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Movement related slow cortical potentials in severely paralyzed chronic stroke patients
|
|---|---|
| Published in |
Frontiers in Human Neuroscience, January 2015
|
| DOI | 10.3389/fnhum.2014.01033 |
| Pubmed ID | |
| Authors |
Ozge Yilmaz, Niels Birbaumer, Ander Ramos-Murguialday |
| Abstract |
Movement-related slow cortical potentials (SCPs) are proposed as reliable and immediate indicators of cortical reorganization in motor learning. SCP amplitude and latency have been reported as markers for the brain's computational effort, attention and movement planning. SCPs have been used as an EEG signature of motor control and as a main feature in Brain-Machine-Interfaces (BMIs). Some reports suggest SCPs are modified following stroke. In this study, we investigated movement-related SCPs in severe chronic stroke patients with no residual paretic hand movements preceding and during paretic (when they try to move) and healthy hand movements. The aim was to identify SCP signatures related to cortex integrity and complete paralysis due to stroke in the chronic stage. Twenty severely impaired (no residual finger extension) chronic stoke patients, of whom ten presented subcortical and ten cortical and subcortical lesions, underwent EEG and EMG recordings during a cue triggered hand movement (open/close) paradigm. SCP onset appeared and peaked significantly earlier during paretic hand movements than during healthy hand movements. Amplitudes were significantly larger over the midline (Cz, Fz) for paretic hand movements while contralateral (C4, F4) and midline (Cz, Fz) amplitudes were significantly larger than ipsilateral activity for healthy hand movements. Dividing the participants into subcortical only and mixed lesioned patient groups, no significant differences observed in SCP amplitude and latency between groups. This suggests lesions in the thalamocortical loop as the main factor in SCP changes after stroke. Furthermore, we demonstrated how, after long-term complete paralysis, post-stroke intention to move a paralyzed hand resulted in longer and larger SCPs originating in the frontal areas. These results suggest SCP are a valuable feature that should be incorporated in the design of new neurofeedback strategies for motor neurorehabilitation. |
X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 1 | 17% |
| Unknown | 5 | 83% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 3 | 50% |
| Practitioners (doctors, other healthcare professionals) | 1 | 17% |
| Scientists | 1 | 17% |
| Science communicators (journalists, bloggers, editors) | 1 | 17% |
Mendeley readers
The data shown below were compiled from readership statistics for 126 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Germany | 2 | 2% |
| United Kingdom | 2 | 2% |
| Denmark | 2 | 2% |
| Taiwan | 1 | <1% |
| United States | 1 | <1% |
| Unknown | 118 | 94% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 22 | 17% |
| Student > Master | 19 | 15% |
| Researcher | 16 | 13% |
| Student > Bachelor | 12 | 10% |
| Student > Doctoral Student | 7 | 6% |
| Other | 21 | 17% |
| Unknown | 29 | 23% |
| Readers by discipline | Count | As % |
|---|---|---|
| Engineering | 24 | 19% |
| Neuroscience | 20 | 16% |
| Medicine and Dentistry | 17 | 13% |
| Computer Science | 6 | 5% |
| Psychology | 6 | 5% |
| Other | 15 | 12% |
| Unknown | 38 | 30% |
Attention Score in Context
This research output has an Altmetric Attention Score of 3. 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 03 February 2015.
All research outputs
#12,910,051
of 22,778,347 outputs
Outputs from Frontiers in Human Neuroscience
#3,674
of 7,141 outputs
Outputs of similar age
#176,673
of 379,767 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#91
of 178 outputs
Altmetric has tracked 22,778,347 research outputs across all sources so far. This one is in the 42nd percentile – i.e., 42% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,141 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.5. This one is in the 47th percentile – i.e., 47% 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 379,767 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 52% of its contemporaries.
We're also able to compare this research output to 178 others from the same source and published within six weeks on either side of this one. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.