In the treatment of mental disorders, Ayurvedic medical tradition has many different options, but few are as trusted and versatile as holy basil. This legendary herb is known to stimulate brain function, enhance memory, and boost your powers of concentration and focus. For someone suffering from amnesia, your memory is severely affected, or eliminated entirely, so the memory-boosting powers of this impressive herb are highly valuable. You can eat holy basil leaves directly for these effects, brew them into a tea, or add them to your cooking for best results.