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A

Association path; longitudinal upper

Fasciculus longitudinalis superior

Upper longitudinal association path

The upper longitudinal association pathway (Fasciculus longitudinalis superior) is a powerful pathway system that connects the crown, neck and temporal lobe cortex to the premotor and prefrontal cortex sections of the frontal lobe. The web forms a tangible bundle where it wraps around the top edge of the insula. The constituent thread mass can be divided into several subdivisions:

(i) an upper occipital lobe frontal lobe section;
(ii) an intermediate section including, inter alia, the connections between the PTO region and the prefrontal cortex, A 46; and
(iii) a section of the lower temporal lobe frontal lobe containing, inter alia, the arcuate association pathway
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