Female Humans 4 Mathematical Concepts 4 female 4 human 4 male 4 mathematical phenomena 4 problem solving 4 Child 3 Male 3 Mathematics 3 Problem Solving 3 child 3 learning 3 mathematics 3 physiology 3 Adolescent 2 Comprehension 2 Learning 2 Magnetic Resonance Imaging 2 adolescent 2 adult 2 analysis of variance 2 article 2 comprehension 2 controlled study 2 diagnostic imaging 2 human experiment 2 nuclear magnetic resonance imaging 2 Achievement 1