Theory: Flexibility is at the heart of human intelligence

Centuries of study have yielded many theories about how the brain gives rise to human intelligence. Some neuroscientists think intelligence springs from a single region or neural network. Others argue that metabolism or the efficiency with which brain cells make use...

The Neuroanatomy of Gossips

We talk a lot. We are the only species on the planet that exchange information predominantly through talking. Other species, such as dolphins or primates, have their own languages, but they do not rely on verbal communication to the same degree, almost to the...

Prefrontal Cortex

Prefrontal Cortex Brief Definition The prefrontal cortex (PFC) is the cerebral cortex covering the front part of the frontal lobe. This brain region has been implicated in planning complex cognitive behavior, personality expression, decision making, and moderating...

The Triune Brain

The Triune Brain Neuroscientist Paul D. MacLean formulated a model of the brain in the 1960s, detailed in his 1990 book The Triune Brain in Evolution, describing the brain in terms of three distinct structures that emerged along an evolutionary path. Although this...