Enhanced responsiveness and low-level awareness in stochastic
Yann Zerlaut and Alain Destexhe
Neuron 94: 1002-1009, 2017.
Desynchronized brain states are known to be associated with
arousal and increased awareness, but the exact mechanisms are
unknown. Here, we show that neuronal networks displaying
asynchronous irregular (AI) activity can implement a low-level
form of awareness, due to their specific responsiveness
properties. We emphasize the importance of the conductance state
and stochasticity to explain these properties. We suggest that the
purpose of cortical structures is to generate AI states with
optimal responsiveness, to be globally aware of external stimuli.
return to main page