Is the brain a resource-cheapskate?

Any action requires energy. The body's muscles need energy in order to contract and the neurons in one's brain need energy in order to function. In the current paper we will discuss two presumably contradicting bodies of research. The first suggests that the brain invests minimal effort in high-demand tasks. The second suggests that we constantly spread our mental energy. We will refer to these findings and suggest some important rules that govern the consumption of mental energy.

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