The monatomic ion lithium (Li+) is a mood stabilizer used to treat people with bipolar disorder, a psychiatric disorder that causes periods of mania and depression. Use the figure, showing some of the signal transduction pathways affected by lithium that are thought to help stabilize mood, to determine the effect of lithium on GSK-3β. A. Lithium increases the production of GSK-3β.
B. Lithium slows down the production of GSK-3β.
C. Lithium stops the production of GSK-3β.
D. Lithium speeds up the production of GSK-3β.