Homo Sapiens -The "Time Travelers" -A Galaxy Insight

Brain researchers have recently discovered that when we perform mental activities such as adding numbers, comparing shapes, or identifying faces these areas of our brains light up, other areas go dark. This "dark network," according to Harvard psychologist Daniel Gilbert, comprises regions in the frontal, parietal and medial temporal lobes. Gilbert writes that "if you climbed into an MRI machine and lay there quietly, waiting for instructions from a technician, the dark network would be as active as a beehive. But the moment your instructions arrived and your task began, the bees would freeze and the network would fall silent. When we appear to be doing nothing, we are clearly doing something. But what?"

The answer, Gilbert says in his book Stumbling on Happiness, is time travel.

The human mind can move through time from past to present or present or past to future and in any gear. Our ability to imagine future events is a recent evolutionary development, and unparalleled in the animal kingdom. "We are a race of time travelers," Gilbert says "unfettered by chronology and capable of visiting the future or revisiting the past whenever we wish. If our neural time machines are damaged by illness, age or accident, we may become trapped in the present. Alzheimer’s disease, for instance, specifically attacks the dark network, stranding many of its victims in an endless now, unable to remember their yesterdays or envision their tomorrows."

Neuroscientists refer to the dark network it as the brain’s default mode, which is to say that we spend more of our time in other modes. Posted by Casey Kazan.

Daniel Gilbert Video on Evolution & the "Fat Brain"

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Comments

[dmarx]

how can we really know that chimpanzees or pigs or elephants or crocodiles DON'T think about what will happen tomorrow?

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