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ArtikelAuditory–prefrontal axonal connectivity in the macaque cortex: Quantitative assessment of processing streams  
Oleh: Bezgin, Gleb ; Rybacki, Konrad ; van Opstal, A. John ; Bakker, Rembrandt ; Shen, Kelly ; Vakorin, Vasily A. ; McIntosh, Anthony R. ; Kotter, Rolf
Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 135 (2014), page 73-84.
Topik: Auditory cortex; Primate brain; Sensory system; Brain connectivity; Parallel cortical pathways; Structure–function relationships; Processing streams; Prefrontal cortex; Graph drawing; Principal component analysis
Fulltext: 135_Bezgin.pdf (2.11MB)
Isi artikelPrimate sensory systems subserve complex neurocomputational functions. Consequently, these systems are organised anatomically in a distributed fashion, commonly linking areas to form specialised processing streams. Each stream is related to a specific function, as evidenced from studies of the visual cortex, which features rather prominent segregation into spatial and non-spatial domains. It has been hypothesised that other sensory systems, including auditory, are organised in a similar way on the cortical level. Recent studies offer rich qualitative evidence for the dual stream hypothesis. Here we provide a new paradigm to quantitatively uncover these patterns in the auditory system, based on an analysis of multiple anatomical studies using multivariate techniques. As a test case, we also apply our assessment techniques to more ubiquitously-explored visual system. Importantly, the introduced framework opens the possibility for these techniques to be applied to other neural systems featuring a dichotomised organisation, such as language or music perception.
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