TAILIEUCHUNG - Chapter 027. Aphasia, Memory Loss, and Other Focal Cerebral Disorders

Lateral (top) and medial (bottom) views of the cerebral hemispheres. The numbers refer to the Brodmann cytoarchitectonic designations. Area 17 .corresponds to the primary visual cortex, 41–42 to the primary auditory cortex, 1– 3 to the primary somatosensory cortex, and 4 to the primary motor cortex. The rest of the cerebral cortex contains association areas. AG, angular gyrus; B, Broca's area; CC, corpus callosum; CG, cingulate gyrus; DLPFC, dorsolateral prefrontal cortex; FEF, frontal eye fields (premotor cortex); FG, fusiform gyrus; IPL, inferior parietal lobule; ITG, inferior temporal gyrus; LG, lingual gyrus; MPFC, medial prefrontal cortex; MTG, middle temporal gyrus; OFC,. | Chapter 027. Aphasia Memory Loss and Other Focal Cerebral Disorders Figure 27-1 SOur4 r s. tL. i. L. Dlr JlMttPh JL. L4C tlft Jr Utrriftn t Ptiniinitt r i rĩH tft im Edition http . - CQpynflht Ộ Th. Hdr . mil . Hr. 11 nihtf fpftnvd. OIÍ1 Lateral top and medial bottom views of the cerebral hemispheres. The numbers refer to the Brodmann cytoarchitectonic designations. Area 17 corresponds to the primary visual cortex 41-42 to the primary auditory cortex 13 to the primary somatosensory cortex and 4 to the primary motor cortex. The rest of the cerebral cortex contains association areas. AG angular gyrus B Broca s area CC corpus callosum CG cingulate gyrus DLPFC dorsolateral prefrontal cortex FEF frontal eye fields premotor cortex FG fusiform gyrus IPL inferior parietal lobule ITG inferior temporal gyrus LG lingual gyrus MPFC medial prefrontal cortex MTG middle temporal gyrus OFC orbitofrontal cortex PHG parahippocampal gyrus PPC posterior parietal cortex PSC peristriate cortex SC striate cortex SMG supramarginal gyrus SPL superior parietal lobule STG superior temporal gyrus STS superior temporal sulcus TP temporopolar cortex W Wernicke s to current thinking there are no centers for hearing words perceiving space or storing memories. Cognitive and behavioral functions domains are coordinated by intersecting large-scale neural networks that contain interconnected cortical and subcortical components. The network approach to higher cerebral function has at least four implications of clinical relevance 1 a single domain such as language or memory can be disrupted by damage to any one of several areas as long as these areas belong to the same network 2 damage confined to a single area can give rise to multiple deficits involving the functions of all networks that intersect in that region 3 damage to a network component may give rise to minimal or transient deficits if other parts of the network undergo .

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