Matches in SemOpenAlex for { <https://semopenalex.org/work/W4384269499> ?p ?o ?g. }
- W4384269499 endingPage "5335" @default.
- W4384269499 startingPage "5309" @default.
- W4384269499 abstract "Abstract Functional magnetic resonance imaging (fMRI) maps cerebral activation in response to stimuli but this activation is often difficult to detect, especially in low‐signal contexts and single‐subject studies. Accurate activation detection can be guided by the fact that very few voxels are, in reality, truly activated and that these voxels are spatially localized, but it is challenging to incorporate both these facts. We address these twin challenges to single‐subject and low‐signal fMRI by developing a computationally feasible and methodologically sound model‐based approach, implemented in the R package MixfMRI , that bounds the a priori expected proportion of activated voxels while also incorporating spatial context. An added benefit of our methodology is the ability to distinguish voxels and regions having different intensities of activation. Our suggested approach is evaluated in realistic two‐ and three‐dimensional simulation experiments as well as on multiple real‐world datasets. Finally, the value of our suggested approach in low‐signal and single‐subject fMRI studies is illustrated on a sports imagination experiment that is often used to detect awareness and improve treatment in patients in persistent vegetative state (PVS). Our ability to reliably distinguish activation in this experiment potentially opens the door to the adoption of fMRI as a clinical tool for the improved treatment and therapy of PVS survivors and other patients." @default.
- W4384269499 created "2023-07-14" @default.
- W4384269499 creator A5007920808 @default.
- W4384269499 creator A5081562363 @default.
- W4384269499 date "2023-08-04" @default.
- W4384269499 modified "2023-10-14" @default.
- W4384269499 title "A practical model‐based segmentation approach for improved activation detection in single‐subject functional magnetic resonance imaging studies" @default.
- W4384269499 cites W1561820106 @default.
- W4384269499 cites W1596515083 @default.
- W4384269499 cites W1722898950 @default.
- W4384269499 cites W1863433017 @default.
- W4384269499 cites W1895906169 @default.
- W4384269499 cites W1965325756 @default.
- W4384269499 cites W1966123432 @default.
- W4384269499 cites W1967374611 @default.
- W4384269499 cites W1968022266 @default.
- W4384269499 cites W1969534031 @default.
- W4384269499 cites W1976954310 @default.
- W4384269499 cites W1978339758 @default.
- W4384269499 cites W1985831547 @default.
- W4384269499 cites W1987599891 @default.
- W4384269499 cites W1988764623 @default.
- W4384269499 cites W1989334446 @default.
- W4384269499 cites W1992558052 @default.
- W4384269499 cites W1995605620 @default.
- W4384269499 cites W2001990992 @default.
- W4384269499 cites W2002660165 @default.
- W4384269499 cites W2008090874 @default.
- W4384269499 cites W2017113845 @default.
- W4384269499 cites W2018731294 @default.
- W4384269499 cites W2024476015 @default.
- W4384269499 cites W2025283285 @default.
- W4384269499 cites W2026906073 @default.
- W4384269499 cites W2044634376 @default.
- W4384269499 cites W2045200995 @default.
- W4384269499 cites W2046557060 @default.
- W4384269499 cites W2049489255 @default.
- W4384269499 cites W2051691068 @default.
- W4384269499 cites W2053742104 @default.
- W4384269499 cites W2054429734 @default.
- W4384269499 cites W2058352252 @default.
- W4384269499 cites W2059676361 @default.
- W4384269499 cites W2060308631 @default.
- W4384269499 cites W2064497749 @default.
- W4384269499 cites W2066313169 @default.
- W4384269499 cites W2071714163 @default.
- W4384269499 cites W2077515295 @default.
- W4384269499 cites W2077580014 @default.
- W4384269499 cites W2077982583 @default.
- W4384269499 cites W2082398846 @default.
- W4384269499 cites W2088272457 @default.
- W4384269499 cites W2088402830 @default.
- W4384269499 cites W2090687144 @default.
- W4384269499 cites W2093366270 @default.
- W4384269499 cites W2094730477 @default.
- W4384269499 cites W2096545952 @default.
- W4384269499 cites W2097795807 @default.
- W4384269499 cites W2103681669 @default.
- W4384269499 cites W2106773151 @default.
- W4384269499 cites W2106836564 @default.
- W4384269499 cites W2108117677 @default.
- W4384269499 cites W2110065044 @default.
- W4384269499 cites W2110917154 @default.
- W4384269499 cites W2113620950 @default.
- W4384269499 cites W2116649573 @default.
- W4384269499 cites W2117140276 @default.
- W4384269499 cites W2118150576 @default.
- W4384269499 cites W2122027328 @default.
- W4384269499 cites W2123477708 @default.
- W4384269499 cites W2126693856 @default.
- W4384269499 cites W2127501699 @default.
- W4384269499 cites W2130530904 @default.
- W4384269499 cites W2135845294 @default.
- W4384269499 cites W2136741887 @default.
- W4384269499 cites W2140560962 @default.
- W4384269499 cites W2140954822 @default.
- W4384269499 cites W2144975877 @default.
- W4384269499 cites W2147580774 @default.
- W4384269499 cites W2163274894 @default.
- W4384269499 cites W2168175751 @default.
- W4384269499 cites W2169005503 @default.
- W4384269499 cites W2169463832 @default.
- W4384269499 cites W2170546124 @default.
- W4384269499 cites W2257932930 @default.
- W4384269499 cites W2498094064 @default.
- W4384269499 cites W2592314376 @default.
- W4384269499 cites W2605923667 @default.
- W4384269499 cites W2607198385 @default.
- W4384269499 cites W2891665580 @default.
- W4384269499 cites W2894759110 @default.
- W4384269499 cites W3101856995 @default.
- W4384269499 cites W4211177544 @default.
- W4384269499 cites W4235169531 @default.
- W4384269499 cites W4238054270 @default.
- W4384269499 cites W4250029139 @default.
- W4384269499 cites W4250589301 @default.
- W4384269499 cites W4251152452 @default.
- W4384269499 cites W4251173949 @default.