<prompt> The opercular poion of the cerebral coex that contains Brocas area is which of the following?Superior frontal gyrusInferior frontal gyrusCingulate sulcusInsula  <response>: Motor speech area of Broca Brodmanns area 44, 45 occupies the opercular and triangular poions of the inferior frontal gyrus of the dominant hemisphere. Brocas area is formed of two minor gyri, called pars opercularis and pars triangularis, that lie in the posterior end of the inferior frontal gyrus. This area subserves expressive language function. 