Brain Scans of Participants Before and After Eight Weeks of Mindfulness-Based

Brain scans of participants before and after eight weeks of Mindfulness-Based Stress Reduction (MBSR) revealed that

A) brain regions involved in memory became less active.
B) the emotional regions of their brains became less responsive to negative stimuli.
C) brain regions involved in memory became more active.
D) the emotional regions of their brains became more responsive to positive stimuli.