FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2624635119> ?p ?o ?g. }

• W2624635119 abstract "Abstract Psychophysiological interaction (PPI) is a regression based method to study task modulated brain connectivity. Despite its popularity in functional MRI (fMRI) studies, its reliability and reproducibility have not been evaluated. We investigated reproducibility and reliability of PPI effects during a simple visual task, and examined the effect of deconvolution on the PPI results. A large open-access dataset was analyzed (n = 138), where a visual task was scanned twice with repetition times (TRs) of 645 ms and 1400 ms, respectively. We first replicated our previous results by using the left and right middle occipital gyrus as seeds. Then ROI-wise (regions of interest) analysis was performed among twenty visual-related thalamic and cortical regions, and negative PPI effects were found between many ROIs with the posterior fusiform gyrus as a hub region. Both the seed-based and ROI-wise results were similar between the two runs and between the two PPI methods with and without deconvolution. The non-deconvolution method and the short TR run in general had larger effect sizes and greater extents. However, the deconvolution method performed worse in the 645 ms TR run than the 1400 ms TR run in the voxel-wise analysis. Given the general similar results between the two methods and the uncertainty of deconvolution, we suggest that deconvolution may be not necessary for PPI analysis on block-designed data. Lastly, intraclass correlations between the two runs were much lower for the PPI effects than the activation main effects, which raise cautions on performing inter-subject correlations and group comparisons on PPI effects." @default.
• W2624635119 created "2017-06-15" @default.
• W2624635119 creator A5035227520 @default.
• W2624635119 creator A5082998280 @default.
• W2624635119 date "2017-06-07" @default.
• W2624635119 modified "2023-09-23" @default.
• W2624635119 title "Psychophysiological Interactions in a Visual Checkerboard Task: Reproducibility, Reliability, and the Effects of Deconvolution" @default.
• W2624635119 cites W141585252 @default.
• W2624635119 cites W1677064858 @default.
• W2624635119 cites W1966735719 @default.
• W2624635119 cites W1978029067 @default.
• W2624635119 cites W1992318477 @default.
• W2624635119 cites W1997882637 @default.
• W2624635119 cites W1999536394 @default.
• W2624635119 cites W2000428226 @default.
• W2624635119 cites W2005238835 @default.
• W2624635119 cites W2007502604 @default.
• W2624635119 cites W2008088150 @default.
• W2624635119 cites W2008607322 @default.
• W2624635119 cites W2019466352 @default.
• W2624635119 cites W2039973573 @default.
• W2624635119 cites W2045791628 @default.
• W2624635119 cites W2048041593 @default.
• W2624635119 cites W2048707777 @default.
• W2624635119 cites W2051036431 @default.
• W2624635119 cites W2060759363 @default.
• W2624635119 cites W2061170062 @default.
• W2624635119 cites W2061427881 @default.
• W2624635119 cites W2078563124 @default.
• W2624635119 cites W2082906925 @default.
• W2624635119 cites W2084892943 @default.
• W2624635119 cites W2090060263 @default.
• W2624635119 cites W2093745477 @default.
• W2624635119 cites W2098541270 @default.
• W2624635119 cites W2107360535 @default.
• W2624635119 cites W2116506376 @default.
• W2624635119 cites W2116967320 @default.
• W2624635119 cites W2117171430 @default.
• W2624635119 cites W2117663940 @default.
• W2624635119 cites W2120546516 @default.
• W2624635119 cites W2125923236 @default.
• W2624635119 cites W2129621723 @default.
• W2624635119 cites W2132137022 @default.
• W2624635119 cites W2141460037 @default.
• W2624635119 cites W2144351977 @default.
• W2624635119 cites W2148191429 @default.
• W2624635119 cites W2160453617 @default.
• W2624635119 cites W2344945222 @default.
• W2624635119 cites W2409583654 @default.
• W2624635119 cites W2467783999 @default.
• W2624635119 cites W2530958915 @default.
• W2624635119 cites W2576865105 @default.
• W2624635119 cites W2977883299 @default.
• W2624635119 doi "https://doi.org/10.1101/133454" @default.
• W2624635119 hasPublicationYear "2017" @default.
• W2624635119 type Work @default.
• W2624635119 sameAs 2624635119 @default.
• W2624635119 citedByCount "0" @default.
• W2624635119 crossrefType "posted-content" @default.
• W2624635119 hasAuthorship W2624635119A5035227520 @default.
• W2624635119 hasAuthorship W2624635119A5082998280 @default.
• W2624635119 hasBestOaLocation W26246351191 @default.
• W2624635119 hasConcept C105795698 @default.
• W2624635119 hasConcept C11413529 @default.
• W2624635119 hasConcept C121332964 @default.
• W2624635119 hasConcept C153180895 @default.
• W2624635119 hasConcept C154945302 @default.
• W2624635119 hasConcept C162324750 @default.
• W2624635119 hasConcept C163258240 @default.
• W2624635119 hasConcept C174576160 @default.
• W2624635119 hasConcept C187736073 @default.
• W2624635119 hasConcept C2524010 @default.
• W2624635119 hasConcept C2779168147 @default.
• W2624635119 hasConcept C2780451532 @default.
• W2624635119 hasConcept C33923547 @default.
• W2624635119 hasConcept C41008148 @default.
• W2624635119 hasConcept C43214815 @default.
• W2624635119 hasConcept C54170458 @default.
• W2624635119 hasConcept C62520636 @default.
• W2624635119 hasConcept C9893847 @default.
• W2624635119 hasConceptScore W2624635119C105795698 @default.
• W2624635119 hasConceptScore W2624635119C11413529 @default.
• W2624635119 hasConceptScore W2624635119C121332964 @default.
• W2624635119 hasConceptScore W2624635119C153180895 @default.
• W2624635119 hasConceptScore W2624635119C154945302 @default.
• W2624635119 hasConceptScore W2624635119C162324750 @default.
• W2624635119 hasConceptScore W2624635119C163258240 @default.
• W2624635119 hasConceptScore W2624635119C174576160 @default.
• W2624635119 hasConceptScore W2624635119C187736073 @default.
• W2624635119 hasConceptScore W2624635119C2524010 @default.
• W2624635119 hasConceptScore W2624635119C2779168147 @default.
• W2624635119 hasConceptScore W2624635119C2780451532 @default.
• W2624635119 hasConceptScore W2624635119C33923547 @default.
• W2624635119 hasConceptScore W2624635119C41008148 @default.
• W2624635119 hasConceptScore W2624635119C43214815 @default.
• W2624635119 hasConceptScore W2624635119C54170458 @default.
• W2624635119 hasConceptScore W2624635119C62520636 @default.
• W2624635119 hasConceptScore W2624635119C9893847 @default.
• W2624635119 hasLocation W26246351191 @default.
• W2624635119 hasLocation W26246351192 @default.

• next