AUM - Sahasrara (crown chakra)
Location - parietal lobe, crown, "soft spot" Mantra - AUM. Note - Si
Color - purple.
Sensation - cold tingling
At the physiological level, it interacts with the cerebral cortex and pituitary gland
When the chakra is full-functioning, the activation of the entire cortex is observed, which leads to a high level of intelligence, genius, intuition, and ultimately to connection with the Almighty,
thus to enlightenment.