Coordination in Circuits
Coordination in Circuits
This chapter investigates the mechanisms underlying the emergence of mind from the activity of groups of neurons. Drawing on experimental observations primarily from cortical and hippocampal activity patterns during behavior, it looks at the set of neural mechanisms at all the different levels ranging from synapses to neurons. It focuses on mental representations and the mechanisms by which they are generated by the brain, and how these mental representations across different brain regions interact to generate perception and decision making. It also discusses the range of oscillation frequencies, alternative mechanisms for generating oscillations, mechanisms that modulate oscillation frequency, and synchrony without oscillations, with an emphasis on the theta and gamma oscillations observed in the neocortex and hippocampus during cognitive tasks. Finally, the chapter considers how generic excitatory-inhibitory networks process information and how the process is influenced by neuromodulators.
Keywords: mind, neurons, mental representations, brain, oscillations, synchrony, neocortex, hippocampus, excitatory-inhibitory networks, neuromodulators
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