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copertina di Modeling Phase Transitions in the Brain

Modeling Phase Transitions in the Brain

di Steyn - Ross  • 2010  • dettagli prodotto

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The induction of unconsciousness using anesthetic drugs demonstrates that the cerebral cortex can operate in two very different modes: alert and responsive versus unaware and quiescent. But the states of wakefulness and sleep are not single-neuron properties---they emerge as bulk properties of cooperating populations of neurons, with the switchover between states being similar to the physical change of phase observed when water freezes or ice melts. Some brain-state transitions, such as sleep cycling, anesthetic induction, epileptic seizure, are obvious and detected readily with a few EEG electrodes; others, such as the emergence of gamma rhythms during cognition, or the ultra-slow BOLD rhythms of relaxed free-association, are much more subtle. The unifying theme of this book is the notion that all of these bulk changes in brain behavior can be treated as phase transitions between distinct brain states.


ISBN: 1441907955

Titolo: Modeling Phase Transitions in the Brain


Editore: Springer Verlag

Volume: Unico

Edizione: 2010

Lingua: Inglese

Finitura: Copertina rigida

Pagine: 350