The role of the left dorsal language tracts in speech and music perception

Introduction: Since Wernicke's time it is stressed the importance of the dorsal running SLF/AF tracts for different aspects of language: syntax, speech production or repetition. Are these tracts thus language specific? Is there a general dorsal system that, although divisible in different sub-pathways, supports one specific function, i.e. the capacity to integrate sensory event information and ''internal models or emulators'', as proposed by Rauschecker et al. 2009? Alternatively, the function of each dorsal tract, i.e. running above the sylvian fissure, can only be defined based on the function of the particula…