The progress made in understanding the insula in the decade following an earlier review
(Augustine, Neurol. Res., 7 (1985) 2–10) is examined in this review. In these ten years,
connections have been described between the insula and the orbital cortex, frontal
operculum, lateral premotor cortex, ventral granular cortex, and medial area 6 in the frontal
lobe. Insular connections between the second somatosensory area and retroinsular area of
the parietal lobe have been documented. The insula was found to connect with the temporal …