* Alternating zones selective to faces and written words in the human ventral occipitotemporal cortex.
- Recognition of faces and written words is associated with category-specific brain activation in the ventral occipitotemporal cortex (vOT). However, topological and functional relationships between face-selective and word-selective vOT regions remain unclear. In this study, we collected data from patients with intractable epilepsy who underwent high-density recording of surface field potentials in the vOT. "Faces" and "letterstrings" induced outstanding category-selective responses among the 24 visual categories tested, particularly in high-γ band powers. Strikingly, within-hemispheric analysis revealed alternation of face-selective and letterstring-selective zones within the vOT. Two distinct face-selective zones located anterior and posterior portions of the mid-fusiform sulcus whereas letterstring-selective zones alternated between and outside of these 2 face-selective zones. Further, a classification analysis indicated that activity patterns of these zones mostly represent dedicated categories. Functional connectivity analysis using Granger causality indicated asymmetrically directed causal influences from face-selective to letterstring-selective regions. These results challenge the prevailing view that different categories are represented in distinct contiguous regions in the vOT.
=>特有の, 特効薬, 明確な, 特定の, 種の, はっきりした
Overview of noun specific
The noun specific has 2 senses (no senses from tagged texts)
1. particular, specific -- (a fact about some part (as opposed to general); "he always reasons from
the particular to the general")
2. specific -- (a medicine that has a mitigating effect on a specific disease; "quinine is a
specific for malaria")
Overview of adj specific
The adj specific has 4 senses (first 2 from tagged texts)
1. (39) specific -- ((sometimes followed by `to') applying to or characterized by or distinguishing
something particular or special or unique; "rules with specific application"; "demands specific to
the job"; "a specific and detailed account of the accident")
2. (5) specific -- (stated explicitly or in detail; "needed a specific amount")
3. specific -- (relating to or distinguishing or constituting a taxonomic species; "specific
characters")
4. specific -- (being or affecting a disease produced by a particular microorganism or condition;
used also of stains or dyes used in making microscope slides; "quinine is highly specific for
malaria"; "a specific remedy"; "a specific stain is one having a specific affinity for particular
structural elements")
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