Rosemary is known as a stimulating herb, but it is also very effective at reducing inflammation throughout the body, and promoting a calm, peaceful mind. For the treatment of amnesia, rosemary can be consumed as a tea, or in a concentrated extract form. Both options can help to eliminate inflammation in your neural pathways and protect your nervous system from any further damage. This is not considered a cure for amnesia, as most remedies for this condition are palliative, but it can help to improve mental function and focus for those suffering from this unfortunate affliction.