Friederici (2011) - Physiological Reviews
Friederici, A. D. (2011). The Brain Basis of Language Processing: From Structure to Function. Physiological Reviews, 91(4), 1357–1392. https://doi.org/10.1152/physrev.00006.2011
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Networks involving the temporal cortex and the inferior frontal cortex with a clear left lateralization were shown to support syntactic processes, whereas less lateralized temporo-frontal networks subserve semantic processes.
Anatomy in the auditory cortex:
- In an attempt to specify subregions in the auditory cortex and adjacent areas in humans, researchers have relied on neuroanatomical data from non-human primates for which a core region in HG, a surrounding belt and parabelt region has been identified (213, 230). In humans, the PAC is located on the superior surface of the temporal lobe bilaterally in HG. Three regions can be identified adjacent to HG. A region located posterior, the planum temporale (PT), a region anterolateral to HG called planum polare (PP), and a region at the lateral convexity of the cortex in the STG extending to the superior temporal sulcus (STS). All these regions are involved in the acoustic analysis of speech. Cytoarchitectonic studies have indicated that the PAC usually covers the medial two-thirds of the anterior HG (176), and the identification of a subregion in the lateral convexity of the STG has been confirmed by a receptorarchitectonic analysis (175).
frequencies:
- Hickok and Poeppel (118) proposed that the left and right hemisphere generally work at different frequencies, leading to a relative lateralization of functions.
results:
- PAC in the left and the right hemispheres are responding to speech and tonal pitch, but they appear to have different computational preferences, with the left PAC reacting specifically to speech sounds characteristics and the right PAC to characteristics of tonal pitch (265). The relative specialization of the two auditory cortices for these stimulus types, which differ in their temporal and spectral characteristics, is described as a specialization for rapidly changing information with a limited frequency resolution in the left hemisphere and a system with reverse characteristics in the right hemisphere.
see also
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Created: 2025-11-12 22:13