Scientists show that zoned-out brains enter 'autopilot' mode - UK and US researchers show evidence that the brain is actually active in the moments we’re not consciously engaging it. Everyday tasks don’t change each time we do them, so the brain can rely on its default mode to accomplish them.

See the source article by following the link below:
Scientists show that zoned-out brains enter 'autopilot' mode - UK and US researchers show evidence that the brain is actually active in the moments we’re not consciously engaging it. Everyday tasks don’t change each time we do them, so the brain can rely on its default mode to accomplish them.