Ole Goltermann

@olegolt.bsky.social

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Doctoral Researcher @isnlab.bsky.social | part of @mps-cognition.bsky.social | previously @mpicbs.bsky.social‬, @mpi-nl.bsky.social‬ & @univie.ac.at‬ https://cognition.maxplanckschools.org/en/doctoral-candidates/ole-goltermann

A Relationship between median task-evoked changes in cerebral blood flow (ΔCBF) and cerebral metabolic rate of oxygen (ΔCMRO2) across all voxels showing statistically significant ΔBOLD responses. Voxels with statistically reliable ΔCMRO2 are color-coded by ΔBOLD sign and magnitude, whereas voxels with non-significant ΔCMRO2 are shown in light orange. The dashed diagonal indicates equal relative changes in CBF and CMRO2; voxels above the diagonal for negative ΔCMRO2 and below the diagonal for positive ΔCMRO2 correspond to an n-ratio (ΔCBF/ΔCMRO2) < 1. B Distribution of voxels within the BOLD activation mask by CMRO2 reliability and sign concordance. The top bar shows all voxels with significant ΔBOLD responses (n = 19,190), partitioned into voxels with no significant ΔCMRO2 effect (77.2%), concordant voxels (17.4%), and discordant voxels (5.4%). The middle bar shows voxels with positive ΔBOLD, of which 26.0% were classified as concordant, 0.4% as discordant, and 73.6% showed no significant ΔCMRO2 effect. The bottom bar shows voxels with negative ΔBOLD, of which 1.7% were concordant, 14.6% discordant, and 83.7% showed no significant ΔCMRO2 effect. Bar lengths indicate the number of voxels in each category. C Cortical surface maps illustrating the spatial distribution of voxel classifications shown in (B). Left panels display voxels with positive ΔBOLD; right panels display voxels with negative ΔBOLD. Colors correspond to concordant, discordant, and CMRO2 not reliable classifications.