brain training
noun [ U ] informal uk/ˈbreɪn ˌtreɪ.nɪŋ/ us/ˈbreɪn ˌtreɪ.nɪŋ/
智力开发，头脑训练
learning ways to increase your intelligence, memory, ability to think, etc.
He runs a course in brain training for older people. 他为年岁大一点的人开设头脑训练课。