Widespread correlation patterns of fMRI signal across visual cortex reflect eccentricity organization
- Princeton University, United States
- University of Toronto, Canada
- Worcester State University, United States
Figures
Figure 1 with 2 supplements
Seed-based correlations on resting state in individual subjects.
Correlation maps in both hemispheres of (A) subject S1 for resting fixation and (B) subject S2 for resting eyes shut at four seed locations (<1.0°, ∼2.5°, ∼5.5°, ∼11.5°; left to right) in dorsal V2 …
Figure 1—figure supplement 1
Seed-based correlations on resting state eyes shut in individual subjects.
Correlation maps in both hemispheres of (A) subject S3 at four seed locations (<1.0°, ∼2.5°, ∼5.5°, ∼11.5°; left to right) in ventral V3 of the right hemisphere and (B) of subject S4 in ventral V2 …
Figure 1—figure supplement 2
Seed-based correlations on resting state eyes shut in individual subjects.
Correlation maps in both hemispheres of (A) subject S5 at four seed locations (<1.0°, ∼2.5°, ∼5.5°, ∼11.5°; left to right) in dorsal V3 of the right hemisphere and (B)of subject S6 in ventral V2 of …
Figure 2
Group average seed-based correlations on resting state data.
(A) Correlation maps in both hemispheres of group average data for resting fixation at four seed locations (<1.0°, ∼2.5°, ∼5.5°, ∼11.5°; left to right) in dorsal V2. For each seed, the strongest …
Figure 3
Group average seed-based correlations on movie viewing data.
(A) Correlation maps in both hemispheres of group average data for movie viewing at four seed locations (<1.0°, ∼2.5°, ∼5.5°, ∼11.5°; left to right) in dorsal V2. For each seed, the strongest …
Figure 4
Illustration of eccentricity binning correlations on resting state.
(A) Correlation maps in left hemisphere of subject S4 for 3 seed bin locations (<0.5–0.84°, 3.71–4.63°, 10.36–12.50°; left to right) in dorsal V3 and subject S4's eccentricity map (right). Grayscale …
Figure 5
Correlation matrices for resting state and movie viewing conditions.
Intra- (bottom-left matrix triangle) and inter-hemisphere (top-right matrix triangle) correlations are shown for all pairwise comparisons between visual areas V1, V2, V3, hV4, VO1-2, and V3A-B for …
Figure 6 with 3 supplements
Intra-run eccentricity-based connectivity analyses for resting-state and movie viewing conditions.
(A) Radial bin distance correlation plots between resting-state data bins for within quadrant/within hemisphere (upper left), within quadrant/between hemisphere (upper right), between …
Figure 6—figure supplement 1
Intra-run eccentricity-based connectivity analyses for resting-state and movie viewing conditions without meridian data.
Average individual subject correlations are plotted for areas V2 and V3 as a function of radial distance between the upper and lower visual fields (top), right and left visual fields (middle), as …
Figure 6—figure supplement 2
Intra-run angular-based connectivity analyses for resting-state and movie viewing conditions.
(A) Average individual subject correlations are plotted for areas V2 and V3 as a function of angular distance within an area (top), between the upper and lower visual field (second row), right and …
Figure 6—figure supplement 3
Real data vs artificial data.
Comparison of average individual subject correlations for real (blue) and artificial (red) data. Data are plotted for areas V1, V2, and V3 as a function of radial distance between the upper and …
Figure 7
Inter-run eccentricity-based connectivity analyses for resting-state and movie viewing conditions.
For the movie viewing condition, average individual subject inter-run correlations between hemispheres as well as between dorsal and ventral portions of V2 and V3 were strongest at the 0-radial …
Figure 8 with 2 supplements
Radial and angular distance plots.
Resting state correlation bins plotted as a function of average radial and angular distance (ΔE and ΔA, respectively) for areas V1, V2, V3, and hV4. Intra- and inter- hemisphere correlations are …
Figure 8—figure supplement 1
Connectivity patterns for model fitting.
(A) For areas V1, V2, V3, and hV4, data were divided into six bins of eccentricity (E1–E6), each containing six bins of polar angle (A1–A6). (B) Illustration of the conversion from visual field …
Figure 8—figure supplement 2
Homotopic radial and angular distance plots.
Correlation bins are plotted as a function of average radial and angular distance for V1, V2, V3, and hV4. Intra- and inter- hemisphere correlations are plotted in the left and right hemifields, …
Figure 9 with 3 supplements
Residual correlations with eccentricity and polar angle predictors.
(A) Intra- and (B) inter- hemisphere average individual subject correlations between the unexplained variance from an overlapping RF model fit and eccentricity (medium gray bars) and polar angle …
Figure 9—figure supplement 1
Intra- and inter- hemisphere effects of local and widespread connectivity.
(A) Intra- and (B) inter- hemisphere group mean coefficients plotted from the linear regression with a model that included two predictors of local connectivity (Noise and overlapping RF) and two …
Figure 9—figure supplement 2
Residual correlations with eccentricity and polar angle predictors after accounting for potential effects of BOLD signal spread.
(A) Intra- and (B) inter- hemisphere group mean correlations between the unexplained variance after simulating the spread of the BOLD signal across RFs (via Cholesky analysis) and eccentricity …
Figure 9—figure supplement 3
Effect of homotopic connectivity.
(A) Coefficients are plotted for inter-hemisphere comparisons from a linear regression with a model that included homotopic RF connectivity, eccentricity, and polar angle predictors. In contrast to …
Author response image 1
Spatially-specific ICA components from stimulus-driven (eccentricity mapping) data.
Author response image 2
K-Means Cluster Analysis.
Author response image 3
Polar Angle-based Intra-run Connectivity.
Author response image 4
Equal Bins.
