Is it useful or not?
http://link.springer.com/chapter/10.1007/978-3-319-19387-8_294
Abstract
This
study aimed to investigate beta/theta ratio (BTR) neurofeedback
training (NFT) effects in physical bal-ance of healthy individuals.
Thirty-one healthy volunteers were randomly assigned to NFT group (n=15)
and non-NFT control group (n=16). The NFT group completed 25 sessions
in consecutive five days with five sessions per day. Before and after
NFT, physical balance was measured by Wii Balance Board (WBB). The
non-NFT control group only performed the physical balance test on the
first day and the fifth day without any training. The results showed no
significant improvement in physical balance in the NFT group compared to
the non-NFT control group. The reason of the failure will be further
studied in our future work.
When you use a test that normal subjects can get the highest score on before treatment begins there is no way for them to show progress. Researchers should pay attention to whether the high end (ceiling) or low end (basement) of a test is a good match for the subjects they recruit before they judge the efficacy of a treatment
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