Surprises About the Brain You can focus on only one conscious task at a time. Switching between tasks uses energy; if you do this a lot you can make more mistakes. If you do multiple conscious tasks at once you will experience a big drop-off in accuracy or performance. The only way to do two mental tasks quickly, if accuracy is important, is doing one of them at a time. Multitasking can be done easily if you are executing embedded routines.
