The result was fascinating: on the multitasking runs, people were perfectly good at making predictions on the fly, but couldn’t then explain the underlying patterns, or apply them flexibly in other contexts. The technical term for this is that their “declarative learning” was stunted by the distraction. In short, multitaskers seem competent at the time but may not be taking much away from their experiences.
One thing at a time is best. The exception, I suppose, is if you’d rather not remember what you’re supposed to be doing."
You can’t possibly remember everything, so make sure you give your brain important things to do – and don’t overload it with “waste.” The “garbage in, garbage out” philosophy works well here.