Regarding meditation, which of the following statements is/are TRUE?

Question

Quizplus · Accepted Answer

A) PET and fMRI scans have revealed changes in the activity of the frontal lobes of the brain during meditation, particularly in the prefrontal cortex, which is associated with attention and control of emotions.
B) Mindfulness and concentrative meditation are two different types of meditation, and while they require different levels of focus and attention, it is not accurate to say that one is more difficult to attain than the other.
C) Studies have shown that meditation can have a significant impact on reducing stress-related physiological responses, such as lowering heart rate, blood pressure and muscle tension. 
Therefore, all of the statements are true.

Regarding Meditation, Which of the Following Statements Is/are TRUE