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There are a number of neuroanatomical features that have been identified as playing a role in attention. These include:
Medial geniculate nucleus
THe medial geniculate nucleus or medial geniculate body (MGB) is part of the auditory thalamus and represents the thalamic relay in the ascending auditory pathways between the inferior colliculus (IC) and the auditory cortex (AC). It is made up of a number of sub-nuclei that are distinguished by their neuronal morphology and density, by their afferent and efferent connections, and by and the coding properties of their neurons. It is thought that the MGB influences the direction and maintenance of attention.