| Prefrontal — dorsolateral | executive function, working memory | dysexecutive syndrome, perseveration |
| Prefrontal — orbitofrontal | social behaviour, reward valuation | disinhibition, impulsivity |
| Prefrontal — medial/ACC | motivation, error monitoring | abulia, akinetic mutism |
| Frontal eye fields (area 8) | voluntary saccades | eyes deviate toward a destructive lesion |
| Broca (44, 45, dominant) | speech production, syntax | non‑fluent aphasia |
| Wernicke (posterior 22, dominant) | comprehension | fluent aphasia, poor comprehension |
| Dominant parietal (angular gyrus) | reading, writing, calculation | Gerstmann: agraphia, acalculia, finger agnosia, L–R confusion |
| Non‑dominant parietal | spatial attention | hemineglect, anosognosia, dressing apraxia |
| Inferior temporal/fusiform | object and face recognition | agnosia, prosopagnosia |
| Corpus callosum | interhemispheric transfer | disconnection syndromes (alien hand, left‑hand anomia) |