> If you are referring to increasing cognitive capabilities when you say "increase intelligence" then the first question to ask if such a capability is trainabl

> If you are referring to increasing cognitive capabilities when you say "increase intelligence" then the first question to ask if such a capability is trainable? That depends on how one defines intelligence. If intelligence is innate ability absent environmental factors, then no. If intelligence is what score you get by taking a test, then yes. Alfred Binet was once asked what intelligence is. He replied, "It's what my test measures."