Neuroinformatics Glossary

A signal processing technique that retains frequencies within a specified range while removing those outside it.

The spatial size of a contiguous group of activated voxels, typically measured in number of voxels or volume.

The cellular organization and arrangement of neurons within different brain regions.

Time-locked EEG responses to specific stimuli or events, averaged across multiple trials to enhance signal-to-noise rati...

Statistical correction method controlling the expected proportion of false positive findings.

MRI scanning technique where brain slices are acquired in alternating order rather than sequentially to minimize cross-t...

Quantitative measure expressing the degree of functional asymmetry between brain hemispheres, typically calculated from...

The tendency for certain neural functions to be more dominant in one brain hemisphere than the other.

MRI technique that measures cerebral blood flow and blood volume to assess tissue perfusion and vascular function.

Statistical method using random data shuffling to establish significance thresholds.

An fMRI analysis method examining how functional connectivity between brain regions varies with experimental conditions.

Functional magnetic resonance imaging acquired while the subject is not performing any explicit task.

Three-dimensional coordinate system used to precisely locate anatomical structures within the brain for research and cli...

An MRI acquisition sequence that provides high contrast for anatomical structures and gray-white matter differentiation.

A quality metric measuring the ratio of mean signal intensity to temporal variability in fMRI time series.

A mathematical object describing the three-dimensional characteristics of water diffusion in brain tissue.

Three-dimensional anatomical or functional region selected for focused analysis in neuroimaging studies, defined by spec...