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Balloon Model

A model of the interaction between changes in blood volume and changes in blood flow associated with neuronal activity.

Blocked Design

The separation of experimental conditions into distinct blocks, so that each condition is presented for an extended period of time.

Blood-Oxygenation-Level Dependent (BOLD) contrast

The difference in signal on T2-weighted images as a function of the amount of deoxygenated hemoglobin.

Bonferroni correction

A stringent correction for multiple comparisons in which the alpha value is decreased proportionally to the number of independent statistical tests.

Brodmann areas

Divisions of the brain based on the influential cytoarchitectonic critera of Korbinian Brodmann.

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