Dissociation of Striosome and Matrix Activation in the Human Striatum During the Cue and Execution Phases of Working Memory: a Probabilistic Tractography and Task fMRI Assessment.
The striatum comprises two neurochemically and anatomically distinct tissue compartments, the striosome and matrix, that are hypothesized to support different aspects of cognition and action. Animal studies link striosome to reward evaluation, emotional learning, and decision-making under conflict, whereas matrix is as...