The signal is never 100% clear in any real world scenario... Noise is everywhere...

		ieee2 4 months ago \| parent \| context \| favorite \| on: 40 percent of fMRI signals do not correspond to ac... The signal is never 100% clear in any real world scenario... Noise is everywhere. But when there is some (even very little) signal in the noise, it is not the noise any more and the signal can be retrieved assuming enough data.