Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.neuroimage.2012.06.025
Title: On the spatial organization of sound processing in the human temporal lobe: A meta-analysis
Authors: Schirmer, A. 
Fox, P.M.
Grandjean, D.
Keywords: Discourse
FMRI
Grammar
Language
Lateralization
Lesion
Melody
PET
Segmentation
Speech
Voice
Issue Date: 15-Oct-2012
Source: Schirmer, A., Fox, P.M., Grandjean, D. (2012-10-15). On the spatial organization of sound processing in the human temporal lobe: A meta-analysis. NeuroImage 63 (1) : 137-147. ScholarBank@NUS Repository. https://doi.org/10.1016/j.neuroimage.2012.06.025
Abstract: In analogy to visual object recognition, proposals have been made that auditory object recognition is organized by sound class (e.g., vocal/non-vocal, linguistic/non-linguistic) and linked to several pathways or processing streams with specific functions. To test these proposals, we analyzed temporal lobe activations from 297 neuroimaging studies on vocal, musical and environmental sound processing. We found that all sound classes elicited activations anteriorly, posteriorly and ventrally of primary auditory cortex. However, rather than being sound class (e.g., voice) or attribute (e.g., complexity) specific, these processing streams correlated with sound knowledge or experience. Specifically, an anterior stream seemed to support general, sound class independent sound recognition and discourse-level semantic processing. A posterior stream could be best explained as supporting the embodiment of sound associated actions and a ventral stream as supporting multimodal conceptual representations. Vocalizations and music engaged these streams evenly in the left and right hemispheres, whereas environmental sounds produced a left-lateralized pattern. Together, these results both challenge and confirm existing proposal of temporal lobe specialization. Moreover, they suggest that the temporal lobe maintains the neuroanatomical building blocks for an all-purpose sound comprehension system that, instead of being preset for a particular sound class, is shaped in interaction with an individual's sonic environment. © 2012 Elsevier Inc.
Source Title: NeuroImage
URI: http://scholarbank.nus.edu.sg/handle/10635/49863
ISSN: 10538119
DOI: 10.1016/j.neuroimage.2012.06.025
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