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An integrative approach to analyze EEG signals and human brain dynamics in different cognitive states

Davis J. J., Lin C. -T., Gillett G., Kozma R.

Journal of Artificial Intelligence and Soft Computing Research

2017

Vol. 7, No. 4

287--299

Electroencephalograph (EEG) data provide insight into the interconnections and relationships between various cognitive states and their corresponding brain dynamics, by demonstrating dynamic connections between brain regions at different frequency bands. While sensory input tends to stimulate neural activity in different frequency bands, peaceful states of being and self-induced meditation tend to produce activity in the mid-range (Alpha). These studies were conducted with the aim of: (a) testing different equipment in order to assess two (2) different EEG technologies together with their benefits and limitations and (b) having an initial impression of different brain states associated with different experimental modalities and tasks, by analyzing the spatial and temporal power spectrum and applying our movie making methodology to engage in qualitative exploration via the art of encephalography. This study complements our previous study of measuring multichannel EEG brain dynamics using MINDO48 equipment associated with three experimental modalities measured both in the laboratory and the natural environment. Together with Hilbert analysis, we conjecture, the results will provide us with the tools to engage in more complex brain dynamics and mental states, such as Meditation, Mathematical Audio Lectures, Music Induced Meditation, and Mental Arithmetic Exercises. This paper focuses on open eye and closed eye conditions, as well as meditation states in laboratory conditions. We assess similarities and differences between experimental modalities and their associated brain states as well as differences between the different tools for analysis and equipment.

Sartre i Améry o dobrowolnej śmierci

Kovacova D.

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

2016

z. 98

63--69

Problem dobrowolnej śmierci jest obecnie tematem szeroko omawianym nie tylko w naukach humanistycznych. Ten artykuł poświęcony będzie tej kwestii w kontekście teorii filozoficznej Jeana Paula Sartre'a i Jeana Améry’ego. Obaj, jako egzystencjonalni myśliciele, łączą kwestię dobrowolnej śmierci z kwestiami wartości życia i jego wyższości. Początki ich rozważań są naprawdę blisko, ale ich ostateczna odpowiedź na pytanie o dobrowolną śmierć różni się. Kwestię dobrowolnej śmierci badamy pod względem kategorii racjonalności, irracjonalności i absurdu.

The problem of voluntary death is currently highly discussed topic not only in the humanities. In this short article, we devote this issue in the context of the philosophical theory of Jean Paul Sartre and Jean Amery. Both as existentialist´s thinkers link the issue of voluntary death with the question of value of life and its superiority. Their starting are indeed close, but the final answer to the question of voluntary death differs.Voluntary death issue we examine in terms of categories of rationality, irrationality and absurdity