Individuals with right parietal lobe brain injury tend to feel closer to a "higher power." Interesting article: Source: HuffingtonPost The article says, "...the right side of the brain is associated with self-orientation..."
The most important part of the body to give more value and more care is the brain because each part has different functions that really affects human behavior if something is damage. The brain controls every part of our daily life.
Brain injury or being born stupid is pre-requirement for "spirituality" or believing in a higher power.