Suzana Herculano-Houzel

More cortical neurons, more self-control

Nervous systems, and brains in particular, add flexibility to behavior, making it much more than simple responses to events. Sure, responding (or not) is a behavior in itself. But when a nervous system is involved in organizing, shaping and eventually controlling the behavior, the intrinsic properties of nervous systems allow them to spontaneously generate actions; impart context to behavior, including a past history; anticipate future…...

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Behavioral flexibility increases together with number of cortical neurons

If we consider neurons as the information-processing building blocks of nervous systems, then it follows that the more the neurons in a system, the more capable of processing information it should be. Of course, the comparison only applies across systems that are connected the same way, as similar circuits. Given a certain pattern of circuitry, the…...

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