Reentry is a
neural structuring of the
brain
The brain is an organ (biology), organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It consists of nervous tissue and is typically located in the head (cephalization), usually near organs for ...
, which is characterized by the ongoing bidirectional exchange of signals along reciprocal axonal fibers linking two or more brain areas. It is hypothesized to allow for widely distributed groups of
neuron
A neuron (American English), neurone (British English), or nerve cell, is an membrane potential#Cell excitability, excitable cell (biology), cell that fires electric signals called action potentials across a neural network (biology), neural net ...
s to achieve
integrated and synchronized
firing, which is proposed to be a requirement for
consciousness
Consciousness, at its simplest, is awareness of a state or object, either internal to oneself or in one's external environment. However, its nature has led to millennia of analyses, explanations, and debate among philosophers, scientists, an ...
, as outlined by
Gerald Edelman and
Giulio Tononi in their book ''
A Universe of Consciousness''.
[.]
See also
*
Embodied philosophy
*
Neural Darwinism
*
Primary consciousness
*
Secondary consciousness
References
Neural circuitry
Neurophysiology
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