The relationship between short-term memory capacity and EEG power spectral density.
Multiplying memory span by mental speed, we obtain the information entropy of short-term memory capacity, which is rate-limiting for cognitive functions and corresponds with EEG power spectral density. The number of EEG harmonics (n = 1, 2,..., 9) is identical with memory span, and the eigenvalues of the EEG impulse response are represented by the zero-crossings up to the convolved fundamental, the P300. In analogy to quantum mechanics the brain seems to be an ideal detector simply measuring the energy of wave forms. No matter what the stimulus is and how the brain behaves, the metric of signal and memory can always be understood as a superposition of n pi states of different energy and their eigenvalues.
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Deutsche Zentralstelle für Genealogie, Leipzig, Federal Republic of Germany.
D001921:Brain / Q000502:physiology*; D003071:Cognition; D004569:Electroencephalography; D005071:Evoked Potentials; D006801:Humans; D008433:Mathematics; D008568:Memory / Q000502:physiology*; D008959:Models, Neurological; D008960:Models, Psychological; D013816:Thermodynamics