If the data or instruction is not present in the cache, or if the cache line is invalidated, the CPU updates its cache by reading the data from the main memory.

Unlike those studies, this one shows that the link between number sense and maths ability is already present before the beginning of formal maths instruction.

Unhappily, sometimes parents who wish to protect their teenager from consequences that might discomfort the present or complicate the future will prevent this invaluable instruction.