In neuroscience, the critical brain hypothesis states that certain biological neuronal networks work near phase transitions. Experimental recordings from large groups of neurons have shown bursts of activity, so-called neuronal avalanches, with sizes that follow a power law distribution. These results, and subsequent replication on a number of settings, led to the hypothesis that the collective dynamics of large neuronal networks in the brain operates close to the critical point of a phase transition. According to this hypothesis, the activity of the brain would be continuously transitioning between two phases, one in which activity will rapidly reduce and die, and another where activity will build up and amplify over time. In criticality, the brain capacity for information processing is e
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| - Critical brain hypothesis (en)
- Hipótese do cérebro crítico (pt)
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| - Em neurociência, a hipótese do cérebro crítico afirma que algumas redes neuronais biológicas trabalham em estados próximos a transições de fase. Em experimentos, a atividade de certas redes neuronais pode ser descrita por uma distribuição de lei de potência. Isto sugere que tais redes neurais estão operando próximos a um ponto crítico. Na criticalidade, a capacidade de processamento de informação no cérebro é otimizada. Também se sugeriu que sub-crítico, crítico e ligeiramente super-crítico poderiam descrever como cérebros humanos e animais funcionam em estados normais (críticos) e estados patológicos (sub-crítico e super-crítico) (pt)
- In neuroscience, the critical brain hypothesis states that certain biological neuronal networks work near phase transitions. Experimental recordings from large groups of neurons have shown bursts of activity, so-called neuronal avalanches, with sizes that follow a power law distribution. These results, and subsequent replication on a number of settings, led to the hypothesis that the collective dynamics of large neuronal networks in the brain operates close to the critical point of a phase transition. According to this hypothesis, the activity of the brain would be continuously transitioning between two phases, one in which activity will rapidly reduce and die, and another where activity will build up and amplify over time. In criticality, the brain capacity for information processing is e (en)
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| - In neuroscience, the critical brain hypothesis states that certain biological neuronal networks work near phase transitions. Experimental recordings from large groups of neurons have shown bursts of activity, so-called neuronal avalanches, with sizes that follow a power law distribution. These results, and subsequent replication on a number of settings, led to the hypothesis that the collective dynamics of large neuronal networks in the brain operates close to the critical point of a phase transition. According to this hypothesis, the activity of the brain would be continuously transitioning between two phases, one in which activity will rapidly reduce and die, and another where activity will build up and amplify over time. In criticality, the brain capacity for information processing is enhanced, so subcritical, critical and slightly supercritical branching process of thoughts could describe how human and animal minds function. (en)
- Em neurociência, a hipótese do cérebro crítico afirma que algumas redes neuronais biológicas trabalham em estados próximos a transições de fase. Em experimentos, a atividade de certas redes neuronais pode ser descrita por uma distribuição de lei de potência. Isto sugere que tais redes neurais estão operando próximos a um ponto crítico. Na criticalidade, a capacidade de processamento de informação no cérebro é otimizada. Também se sugeriu que sub-crítico, crítico e ligeiramente super-crítico poderiam descrever como cérebros humanos e animais funcionam em estados normais (críticos) e estados patológicos (sub-crítico e super-crítico) (pt)
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