Alex Weuthen
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alexweuthen.bsky.social
Alex Weuthen
@alexweuthen.bsky.social
Psychologist & neuroscientist | Neuropsychotherapy basis in cholinergic, aminergic & cardiorespiratory neuromodulatory dynamics of brain networks integrity & oscillatory connectivity | PostDoc @ Uni Hospital Jena & German Center for Mental Health (DZPG)
While the exact location in pMFC and dlPFC regions varied between different memory epochs, other methods such as magneto- or electroencephalography recordings may capture in which temporal dynamics attentional allocation processes emerge. 12/n
February 5, 2025 at 10:06 AM
The regions found in association with increased face-processing evidence were assigned to large-scale brain networks and showed the strongest contributions of a visual network, followed by dorsal attention and frontoparietal networks. 11/n
February 5, 2025 at 10:04 AM
Using linear mixed model analyses, a link between face-processing evidence and both, the need for attentive encoding as well as subsequent recall success was found. 10/n
February 5, 2025 at 10:02 AM
This measure was applied to the main memory task. The hemodynamic topography showed a reliable pattern beyond the FFA region itself in regions among pMFC, dlPFC and visual cortex, and during encoding also overlapping with a cytoarchitectonic mask of the basal forebrain. 9/n
February 5, 2025 at 10:00 AM
For each participant, the most responsive voxels from the localizer task which fell within a cytoarchitectonic fusiform gyrus mask were identified as individualized fusiform face area voxels and a cross-validated model was trained to evaluate face-processing evidence. 8/n
February 5, 2025 at 9:58 AM
We hypothesized that attentional allocation to the relevant stimulus category drives successful performance adaptations. To develop a model for the quantification of attention to faces, participants performed a 1-back localizer task, including face and house stimuli. 7/n
February 5, 2025 at 9:56 AM
The post-error subsequent memory effect overlapped with the negative feedback contrast, which suggest a link between memory error detection and following learning adaptations.
But how are improvements on the next learning attempt implemented? 6/n
February 5, 2025 at 9:54 AM
The regions we found mostly reflected previously described regions in meta-analysis on the subsequent memory effect, although pMFC’s function has not been addressed. 5/n
February 5, 2025 at 9:52 AM
To understand which neurophysiological adaptations underly successful memory formation, we assessed what differentiates error-following encoding epochs with and without future recall success. 4/n
February 5, 2025 at 9:50 AM
The conjunction of error monitoring contrasts converged in posterior medial frontal cortex (pMFC), dorsolateral prefrontal cortex (dlPFC) and premotor cortex (PMC). 3/n
February 5, 2025 at 9:48 AM
We assessed memory error detection processes showing increased hemodynamic responses in contrasts for failed recall, low confidence and negative feedback. 2/n
February 5, 2025 at 9:47 AM
To capture error monitoring and memory processes, we developed a cognitive paradigm to-be-performed during continuous fMRI scanning. In this paradigm, participants learned to associate face stimuli with different orientations of gabor patches.
February 5, 2025 at 9:41 AM