the.com/thinking
The brain talking to itself and pretending it's productive.
means The mental process of reasoning, imagining, or weighing ideas before acting or speaking.
from From Old English thencan, to conceive in the mind, cousin to thank — both rooted in holding something in mind.
Brain costThe brain burns about 20 percent of your energy.
Inner voiceNot everyone has a verbal monologue while thinking.
Speed mythConscious thought is slower than instinctive reaction.