Local signal time-series during rest used for areal boundary mapping in individual human brains

Satoshi Hirose; Takamitsu Watanabe; Koji Jimura; Masaki Katsura; Akira Kunimatsu; Osamu Abe; Kuni Ohtomo; Yasushi Miyashita; Seiki Konishi

doi:10.1371/journal.pone.0036496

Local signal time-series during rest used for areal boundary mapping in individual human brains

Satoshi Hirose, Takamitsu Watanabe, Koji Jimura, Masaki Katsura, Akira Kunimatsu, Osamu Abe, Kuni Ohtomo, Yasushi Miyashita, Seiki Konishi

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

It is widely thought that resting state functional connectivity likely reflects functional interaction among brain areas and that different functional areas interact with different sets of brain areas. A method for mapping areal boundaries has been formulated based on the large-scale spatial characteristics of regional interaction revealed by resting state functional connectivity. In the present study, we present a novel analysis for areal boundary mapping that requires only the signal timecourses within a region of interest, without reference to the information from outside the region. The areal boundaries were generated by the novel analysis and were compared with those generated by the previously-established standard analysis. The boundaries were robust and reproducible across the two analyses, in two regions of interest tested. These results suggest that the information for areal boundaries is readily available inside the region of interest.

Original language	English
Article number	e36496
Journal	PloS one
Volume	7
Issue number	5
DOIs	https://doi.org/10.1371/journal.pone.0036496
Publication status	Published - 2012 May 4
Externally published	Yes

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abstract = "It is widely thought that resting state functional connectivity likely reflects functional interaction among brain areas and that different functional areas interact with different sets of brain areas. A method for mapping areal boundaries has been formulated based on the large-scale spatial characteristics of regional interaction revealed by resting state functional connectivity. In the present study, we present a novel analysis for areal boundary mapping that requires only the signal timecourses within a region of interest, without reference to the information from outside the region. The areal boundaries were generated by the novel analysis and were compared with those generated by the previously-established standard analysis. The boundaries were robust and reproducible across the two analyses, in two regions of interest tested. These results suggest that the information for areal boundaries is readily available inside the region of interest.",

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AU - Hirose, Satoshi

AU - Watanabe, Takamitsu

AU - Jimura, Koji

AU - Katsura, Masaki

AU - Kunimatsu, Akira

AU - Abe, Osamu

AU - Ohtomo, Kuni

AU - Miyashita, Yasushi

AU - Konishi, Seiki

PY - 2012/5/4

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Local signal time-series during rest used for areal boundary mapping in individual human brains

Abstract

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