Publication

Cortical dynamics by layers

2009
Journal Articles

Abstract

Neocortical microcircuits of primary sensory cortices play prominent roles in processing peripheral input. The same cortical microcircuits are also spontaneously active, which profoundly influences sensory processing. In this issue of Neuron, Sakata and Harris compare spontaneous and sensory-evoked activity in rat primary auditory cortex, finding interesting similarities and important differences.

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2009
Journal Articles

Abstract

Official source

Related concepts (18)

Cerebral cortex

The cerebral cortex, also known as the cerebral mantle, is the outer layer of neural tissue of the cerebrum of the brain in humans and other mammals. The cerebral cortex mostly consists of the six-layered neocortex, with just 10% consisting of allocortex. It is separated into two cortices, by the longitudinal fissure that divides the cerebrum into the left and right cerebral hemispheres. The two hemispheres are joined beneath the cortex by the corpus callosum. The cerebral cortex is the largest site of neural integration in the central nervous system.

Cortical column

A cortical column is a group of neurons forming a cylindrical structure through the cerebral cortex of the brain perpendicular to the cortical surface. The structure was first identified by Mountcastle in 1957. He later identified minicolumns as the basic units of the neocortex which were arranged into columns. Each contains the same types of neurons, connectivity, and firing properties. Columns are also called hypercolumn, macrocolumn, functional column or sometimes cortical module.

Auditory cortex

The auditory cortex is the part of the temporal lobe that processes auditory information in humans and many other vertebrates. It is a part of the auditory system, performing basic and higher functions in hearing, such as possible relations to language switching. It is located bilaterally, roughly at the upper sides of the temporal lobes – in humans, curving down and onto the medial surface, on the superior temporal plane, within the lateral sulcus and comprising parts of the transverse temporal gyri, and the superior temporal gyrus, including the planum polare and planum temporale (roughly Brodmann areas 41 and 42, and partially 22).

Related publications (13)

Cortical dynamics by layers

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A Detailed Model for Understanding the Human Neocortex

Layer-specific functional gradients uncover intrinsic-network organization and feedback processing

Closed-loop imitation learning reveals muscle-centric and latent-goal codes in primate sensorimotor cortex