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The parietal lobes 

The parietal lobes
Chapter:
The parietal lobes
Author(s):

Masud Husain

DOI:
10.1093/med/9780199655946.003.0005
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date: 02 December 2020

The parietal cortex plays a key role in sensorimotor integration and a range of cognitive processes from higher order sensory perception, attention, and working memory through to language, numerical processing, and praxis. It appears to be a major hub in cortical organization, operating on inputs from sensory regions as well as control signals from the frontal lobe. Regions within the parietal lobe have been identified as crucial nodes of sensorimotor control, attention, language, and the so-called default network. In humans, there is evidence for considerable lateralization of function across the cerebral hemispheres, with left parietal regions contributing to verbal and speech functions and right parietal areas playing a role in spatial cognition. Damage to parietal cortex can lead to a constellation of deficits. In this chapter, the functional anatomy of parietal cortex and the impairments that can result from damage it are reviewed.

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