One Suggested Cause of Bipolar Disorder Is an Increase in Brain

Multiple Choice

One suggested cause of bipolar disorder is an increase in brain structures related to emotions, including the amygdala. Additionally, some research has suggested that unusually high levels of norepinephrine activity are also responsible for the symptoms of this illness. On the contrary, it is possible that the illness causes these changes in brain areas and neurotransmitters. This uncertain direction of effect demonstrates which of the six principles mentioned in your chapter?

A) Extraordinary claims
B) Correlation versus causation
C) Occam's Razor
D) Replicability