Neuroinformatics Glossary
100 terms total — 24 showing — Last updated 15 Sep 2026
event-related potential
Time-locked EEG responses to specific stimuli or events, averaged across multiple trials to enhance signal-to-noise ratio.
ADC map
Apparent diffusion coefficient map, a quantitative image showing water diffusion rates in brain tissue.
AFNI
Analysis of Functional NeuroImages software package for processing and analyzing neuroimaging data.
anisotropy
Directional dependence of tissue properties, particularly in white matter tracts where water diffusion is restricted alo...
ANTS
Advanced Normalization Tools software package for image registration and segmentation.
artifact rejection
Preprocessing procedure to identify and remove contaminated data segments caused by non-neural sources such as eye movem...
ASL
Arterial spin labeling, a non-invasive MRI technique for measuring cerebral blood flow using magnetically labeled arteri...
atlas registration
Process of aligning individual brain images to a standardized anatomical template or atlas.
b-value
A parameter in diffusion MRI that determines the strength and duration of diffusion-weighting gradients.
bandpass filter
A signal processing technique that retains frequencies within a specified range while removing those outside it.
beta weights
Parameter estimates from statistical models representing magnitude of activation or effect size.
BIDS
Standardized format for organizing and describing neuroimaging datasets.
biomarker
A measurable biological indicator of normal or pathological processes in neurological conditions.
biomarker validation
Systematic process of establishing the reliability, reproducibility, and clinical relevance of neuroimaging-derived biom...
BOLD
Signal measured in fMRI that reflects changes in blood oxygenation as a proxy for neural activity.
BrainVoyager
Commercial software package for neuroimaging data analysis and visualization.
cerebrospinal fluid suppression
MRI technique that reduces signal from cerebrospinal fluid to enhance visualization of brain tissue and pathology.
cluster extent
The spatial size of a contiguous group of activated voxels, typically measured in number of voxels or volume.
connectome
A comprehensive map of neural connections within a nervous system.
cortical parcellation scheme
Systematic method for dividing the cerebral cortex into distinct anatomical or functional regions based on predefined cr...
cytoarchitecture
The cellular organization and arrangement of neurons within different brain regions.
DICOM
Standard format for storing and transmitting medical imaging data including neuroimaging.
DTI
MRI technique that measures water diffusion to assess white matter microstructure.
DWI
Diffusion-weighted imaging, an MRI technique that measures water molecule movement to assess tissue microstructure.
echo time
The time interval between radiofrequency excitation and signal readout in MRI pulse sequences.