Salmon,mackerel,tuna are rich in omega-3 fatty acid. These acid includes DHA (docosahexaenoic acid), which is important for the proper functioning of neurons. Eating fish three times a week helps for brain performance and memmory.
Choline is an important nutrient used to produce acetylcholine, a neurotransmitter involved in memory. Eggs are the rich source of choline , it helps to boost our memmory. Other good sources of choline are Lecithin, spirulina and wheatgerm.
Mainly walnuts and almonds, are extremely good for the brain and nervous system. These are one of best source of alpha-linolenic acid, which is a type of omega-3 acid. This helps to make DHA. Nuts also contains an antioxidant called ellagic acid, that helps protect the brain from free radical damage. It also the great source of vitamin B6, and vitamin E. Vitamin E has been shown to prevent many forms of dementia by protecting the brain from free radicals, and it improves brain power.
Broccoli is rich in calcium, vitamin C, B vitamins, beta-carotene, iron, fiber, and vitamin K. It protect against free radicals, keep blood flowing well, and remove heavy metals that can damage the brain.
Tomatoes contain lycopene. It is very powerful antioxidant, which combats dementia and may improve memory balance.