Once an aging brain experiences neuronal and myelin loss, there is nothing that can be done to regain cognitive functioning.

In which disorder is the most severe mania experienced?

a) dysthymia b) cyclothymia c) bipolar I disorder d) bipolar II disorder

If a large increase on one variable is associated with a large decrease on another variable

a) the variables are highly positively correlated b) the correlation coefficient will be large and positive c) the correlation coefficient will be large and negative d) the correlation coefficient will be small and negative