Foodista | Infographic: 5 Memory Boosting Foods | According to the inforgraphic, avocados, apples, dark chocolate, green tea and blueberries all have properties that actually help nourish your brain. Avocados, for example, contain monosaturated fats that allow more oxygen into the part of your brain that remembers details. Meanwhile, the vitamins found in apples can help fight out diseases like Alzheimer's and dementia.