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The suppression of scale-free fMRI brain dynamics across three different sources of effort: aging, task novelty and task difficulty
There is growing evidence that fluctuations in brain activity may exhibit scale-free (“fractal”) dynamics. Scale-free signals follow a spectral-power curve of the form P(f ) ∝ f(−β), where spectral power decreases in a power-law fashion with increasing frequency. In this study, we demonstrated that...
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| Publicado no: | Sci Rep |
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| Main Authors: | , , , , , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Nature Publishing Group
2016
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4976369/ https://ncbi.nlm.nih.gov/pubmed/27498696 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/srep30895 |
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