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Robert Kozma

2 papers in the library · publishing 2021-2025

Papers

A study of different cognitive states for meditators and non-meditators with the use of multiple classification indices derived from the PSD of EEG data and lessons learned about cognitive states and the nature of intelligence in minds and machines.

Frontiers in Systems Neuroscience January 1, 2025 J J Joshua Davis, Florian Schübeler, Ian J. Kirk et al.

EEG signals from meditators and non-meditators across six conditions reveal distinct neurophysiological signatures when analyzed using Shannon Entropy, Pearson's Skewness, Total Power, and Dominant Frequency together, rather than one index at a time. These patterns suggest cognition is more than merely computational and may express deeper experiential states, raising questions about whether the human experience of meaning can be approached through objective methodologies. The findings invite a re-examination of scientific inquiry as both a pursuit of mechanistic regularities and a means of honoring the interplay between structure and meaning.

Evolutionary Advantages of Stimulus-Driven EEG Phase Transitions in the Upper Cortical Layers.

Frontiers in Systems Neuroscience January 1, 2021 Robert Kozma, Bernard J. Baars, Natalie Geld

EEG recordings in humans and other mammals show beta/gamma oscillations (20-80 Hz) that self-organize into spatio-temporal structures recurring at theta/alpha rates (4-12 Hz), correlating with sensory stimuli and reinforcement contingencies. These structures repeatedly collapse, generating laterally propagating phase gradients (phase cones) that may be neural signatures of transient perceptual experiences. According to neuropercolation theory, waking brains operate as non-equilibrium thermodynamic systems at the edge of criticality, undergoing repeated phase transitions. Long-range axonal connections and metabolic processes regulate this critical dynamics. This cortical operating style may optimize a tradeoff between rapid adaptation and stable self-organization, offering Darwinian benefits.