Theories of consciousness

AK Seth, T Bayne - Nature Reviews Neuroscience, 2022 - nature.com
Recent years have seen a blossoming of theories about the biological and physical basis of
consciousness. Good theories guide empirical research, allowing us to interpret data …

[HTML][HTML] Conscious processing and the global neuronal workspace hypothesis

GA Mashour, P Roelfsema, JP Changeux, S Dehaene - Neuron, 2020 - cell.com
We review the central tenets and neuroanatomical basis of the global neuronal workspace
(GNW) hypothesis, which attempts to account for the main scientific observations regarding …

Subjective signal strength distinguishes reality from imagination

N Dijkstra, SM Fleming - Nature Communications, 2023 - nature.com
Humans are voracious imaginers, with internal simulations supporting memory, planning
and decision-making. Because the neural mechanisms supporting imagery overlap with …

[图书][B] The feeling of life itself: why consciousness is widespread but can't be computed

C Koch - 2019 - books.google.com
A thought-provoking argument that consciousness—more widespread than previously
assumed—is the feeling of being alive, not a type of computation or a clever hack In The …

Are the neural correlates of consciousness in the front or in the back of the cerebral cortex? Clinical and neuroimaging evidence

M Boly, M Massimini, N Tsuchiya… - Journal of …, 2017 - Soc Neuroscience
The role of the frontal cortex in consciousness remains a matter of debate. In this
Perspective, we will critically review the clinical and neuroimaging evidence for the …

The threshold for conscious report: Signal loss and response bias in visual and frontal cortex

B Van Vugt, B Dagnino, D Vartak, H Safaai, S Panzeri… - Science, 2018 - science.org
Why are some visual stimuli consciously detected, whereas others remain subliminal? We
investigated the fate of weak visual stimuli in the visual and frontal cortex of awake monkeys …

Surge of neurophysiological coupling and connectivity of gamma oscillations in the dying human brain

G Xu, T Mihaylova, D Li, F Tian… - Proceedings of the …, 2023 - National Acad Sciences
The brain is assumed to be hypoactive during cardiac arrest. However, animal models of
cardiac and respiratory arrest demonstrate a surge of gamma oscillations and functional …

An electrophysiological marker of arousal level in humans

JD Lendner, RF Helfrich, BA Mander, L Romundstad… - elife, 2020 - elifesciences.org
Deep non-rapid eye movement sleep (NREM) and general anesthesia with propofol are
prominent states of reduced arousal linked to the occurrence of synchronized oscillations in …

[HTML][HTML] The spectral exponent of the resting EEG indexes the presence of consciousness during unresponsiveness induced by propofol, xenon, and ketamine

MA Colombo, M Napolitani, M Boly, O Gosseries… - NeuroImage, 2019 - Elsevier
Despite the absence of responsiveness during anesthesia, conscious experience may
persist. However, reliable, easily acquirable and interpretable neurophysiological markers of …

Consciousness among delta waves: a paradox?

J Frohlich, D Toker, MM Monti - Brain, 2021 - academic.oup.com
A common observation in EEG research is that consciousness vanishes with the
appearance of delta (1–4 Hz) waves, particularly when those waves are high amplitude …