Neuroimaging Services Glossary
100 terms total — 8 showing — Last updated 15 Sep 2026
isotropic voxels
Three-dimensional image elements with equal dimensions in all spatial directions, enabling accurate volumetric measurements.
cerebrospinal fluid flow artifact
Motion-related signal changes in MRI caused by the pulsatile flow of cerebrospinal fluid.
cerebrospinal fluid pulsation artifact
Ghosting artifacts in MRI caused by rhythmic CSF flow, appearing as repetitive signals along the phase-encoding directio...
chemical shift artifact
MRI artifact causing spatial misregistration of fat and water tissues due to different resonance frequencies, appearing...
default mode network
A brain network active during rest and introspective tasks, including medial prefrontal cortex, posterior cingulate, and...
diffusion tensor imaging artifact
Signal distortions in DTI sequences caused by eddy currents, motion, or field inhomogeneities that compromise fiber trac...
lacunar infarct
A small deep brain infarct typically less than 15mm diameter, resulting from occlusion of penetrating arterioles.
motion artifact
Image distortion caused by patient movement during neuroimaging acquisition.
susceptibility artifact
MRI image distortion caused by magnetic field inhomogeneity at interfaces between tissues with different magnetic proper...