Daniela Sammler|Sonja A. Kotz|Korinna Eckstein|Derek V. M. Ott|Angela D. Friederici
Prosody meets syntax: the role of the corpus callosum
Max Planck Institute for Human Cognitive and Brain Sciences|Max Planck Institute for Human Cognitive and Brain Sciences|Max Planck Institute for Human Cognitive and Brain Sciences|Max Planck Institute for Human Cognitive and Brain Sciences|Max Planck Institute for Human Cognitive and Brain Sciences
contemporary neural models auditory language comprehension proposed two hemispheres differently specialized processing segmental suprasegmental features language segmental processing syntactic lexical semantic information predominantly assigned left hemisphere right hemisphere thought primacy processing suprasegmental prosodic information accentuation boundary marking dynamic interplay hemispheres assumed allow timely coordination information types present eventrelated potential study investigated whether anterior andor posterior portion corpus callosum provide crucial brain basis online interaction syntactic prosodic information patients lesions anterior twothirds corpus callosum connecting orbital frontal structures posterior third corpus callosum connecting temporal parietal occipital areas well matched healthy controls tested paradigm crossed syntactic prosodic manipulations anterior negativity elicited mismatch syntactically predicted phrase structure prosodic intonation analysed marker syntaxprosody interaction healthy controls patients lesions anterior corpus callosum showed anterior negativity demonstrating intact interplay syntax prosody effect found patients lesions posterior corpus callosum although exhibited intact prosodyindependent syntactic processing comparable healthy controls patients lesions anterior corpus callosum data support interplay speech processing streams left right hemispheres via posterior portion corpus callosum building brain basis coordination integration local syntactic prosodic features auditory speech comprehension