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Other Comments:
These findings by Matsugi et al. indicate that the vestibular effect on motoneuron pool excitability in the leg is different between standing and prone positions. They have shown that this is the case. However, the present results might be contaminated by body sway. I suggest the authors should record body sway by force transducer. This information can clarify relationship between body sway and H-reflex, so that depression of the motoneuron pool excitability induced by GVS becomes clear.
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Competing interests:
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Invited by the author to review this article? :
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- How to cite: Oku K .Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions [Review of the article 'Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions ' by Hiraoka K].WebmedCentral 2011;2(1):WMCRW00419
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Other Comments:
This is the first study investigating GVS-induced modulation of the soleus motoneuron pool excitability in relaxed natural standing. This study produced important findings on the effect of GVS in different postures.
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Competing interests:
no
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Invited by the author to review this article? :
Yes -
Have you previously published on this or a similar topic?:
No
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References:
None -
Experience and credentials in the specific area of science:
none
- How to cite: Tanaka T .Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions [Review of the article 'Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions ' by Hiraoka K].WebmedCentral 2011;2(1):WMCRW00389
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Other Comments:
It is very interesting to see the different vestibular effects on the soleus motoneuron pool excitability in body conditions. It will be better to increase the number of the subjects little more. According to hte findings, GVS did produce body sway in standing subjects in GVSof materials and methods. Therefore, there is a possibility that body sway may have affected soleus H-reflexes on the anodal GVS side in the standing position. This point has been mentioned in discussion, but I think the authors are better to measure a achange of the center of gravity in the future experiments.
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Competing interests:
none
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Invited by the author to review this article? :
Yes -
Have you previously published on this or a similar topic?:
No
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References:
None -
Experience and credentials in the specific area of science:
none
- How to cite: Ishida H .Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions [Review of the article 'Vestibular-induced Modulation Of Leg Motoneuron Pool Excitability In Standing And Prone Positions ' by Hiraoka K].WebmedCentral 2011;2(1):WMCRW00380
I found this a very interesting and well-written paper. It complements other work in the other. I have also worked in a similar area - proprioception in stroke patients, though I have not used stimulation. The authors' work is useful knowledge to this exciting field.
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Ibbitson, J., & Thompson, S.B.N., 2011; 2012. Stroke. In S.B.N. Thompson (Ed.), Psychology of trauma: clinical reviews, case histories, research (pp.243-270). Portsmouth: Blackwell-Harvard-Academic. Thompson, S.B.N. & Morgan, M., 1990; 1995; 1996. Occupational therapy for stroke rehabilitation. London: Chapman & Hall. Thompson, S.B.N., 2010. Exploring the safety of knowledge transfer from university hospital to ?real-life? doctor-patient treatment environs. In R. J. Howlett (Ed.), Innovation through Knowledge Transfer, Smart Innovation, Systems and Technologies. Series 5. Part 6 (pp.287-292). Berlin: Springer Verlag. Thompson, S.B.N., 2010. Is stroke a ?trigger?? British Journal of General Practice, 60(574), 374-5. doi: 10.3399/bjgp10X501949. Thompson, S.B.N., 1987. A system for rapidly converting quadriceps contraction to a digital signal for use in microcomputer-oriented muscle therapy and stroke patient assessment schedules. Computers in Biology & Medicine International Journal, 17(2), 117-125.
I am a clinical neuropsychologist and Associate Professor of Clinical Pychology and Neuropsychology with extensive experience in the field of stroke, Alzheimer's disease and neuropsychology, particularly yawning.