Sex differences in the relationship between planum temporale asymmetry and corpus callosum morphology in chimpanzees (Pan troglodytes): A combined MRI and DTI analysis. (chimpanzeebrain.org)
Strikingly, the 3 regions showing positive correlations between CT and CSA asymmetries were those known to exhibit robust asymmetries across methodologies, such as the leftward asymmetrical planum temporale and the rightward asymmetrical superior temporal sulcus and cingulate cortex. (inb.u-bordeaux2.fr)
In studies of adults, Petitto has found that both hearing and deaf adults use the planum temporale — mainly on the left side — to process syllables, whether signing or speaking aloud. (discovermagazine.com)