The buildup of iron, to which brain cells are more susceptible (especially as we age), damages our brains and nervous systems. But citric acid, which gooseberries have quite a lot of, can help to block that iron accumulation.
Article source: https://www.huffingtonpost.co.uk/entry/amla-indian-gooseberries-health-benefits_uk_6a44e61be4b005bae50cd345