Koji Kamagata

The paper examines how pain extent and central sensitization symptoms relate to brain structure and cognition in older adults with chronic pain, finding distinct patterns in cognitive performance and brain volume.

This study identifies tegmental atrophy in iRBD using VBM and a novel brainstem atlas, linking atrophy in specific nuclei to autonomic dysfunction.

This study investigates diurnal variation in human SCN activity using perfusion imaging, finding higher activity at noon and lower in the early morning, aligning with rodent patterns under light conditions.

This study evaluates variability in white matter bundle segmentation across 42 groups using the same dataset, finding protocol variability exceeds other sources of inconsistency.