{"id":2967,"date":"2019-11-06T14:15:17","date_gmt":"2019-11-06T18:15:17","guid":{"rendered":"https:\/\/www.shortform.com\/blog\/?p=2967"},"modified":"2022-03-09T16:54:38","modified_gmt":"2022-03-09T20:54:38","slug":"cognitive-revolution","status":"publish","type":"post","link":"https:\/\/www.shortform.com\/blog\/cognitive-revolution\/","title":{"rendered":"Cognitive Revolution (Sapiens): How Gossip Changed Our Brains"},"content":{"rendered":"\n

What was the Cognitive Revolution in Sapiens<\/em>? How did it allow our species to survive, while other human species, such as Neanderthals<\/a>, disappeared?<\/p>\n\n\n\n

The Cognitive Revolution was the moment in human history when our ancestors developed three new abilities: flexible language, communication about 3rd parties, and collective fictions. The Cognitive Revolution allowed homo sapiens to develop the societies that characterize the species today.<\/p>\n\n\n\n

We’ll cover the three aspects of the Cognitive Revolution as described in Yuval Noah Harari’s book Sapiens<\/em> and expand upon the above Cognitive Revolution definition.<\/p>\n\n\n\n\n\n\n\n

The Cognitive Revolution<\/strong><\/h3>\n\n\n\n

The first major revolution for Sapiens was the Cognitive Revolution. Before that point, Sapiens weren\u2019t particularly special among animals. Over time, they had evolved the abilities to cross oceans and invent things like bows and arrows, sewing needles, oil lamps, and art. They had become humans that we\u2019d recognize today, with our level of intelligence and creativity. But until the Cognitive Revolution of 70,000 years ago, they weren\u2019t superior to other humans.
<\/p>\n\n\n\n

Although the use of fire hastened Sapiens\u2019 ascent, it was the Cognitive Revolution that ultimately distinguished Sapiens from other humans.
<\/p>\n\n\n\n

What caused the Cognitive Revolution? No one\u2019s really sure, but it was probably a chance gene mutation that changed the way the brain was wired.<\/strong>
<\/p>\n\n\n\n

The Cognitive Revolution involved the development of three new abilities, all related to language, that helped Homo sapiens outpace their fellow humans.
<\/p>\n\n\n\n

Cognitive Revolution Ability #1: Flexible Language<\/strong><\/h3>\n\n\n\n

Their language gave Sapiens a huge advantage over their fellow animals, including their fellow humans. This was the first aspect of the Cognitive Revolution in Harari’s Sapiens.<\/em>
<\/p>\n\n\n\n

Language itself isn\u2019t particularly special\u2014apes and monkeys communicate vocally, as do elephants, whales, and parrots. One reason the language of Sapiens was different was that it was more complex.<\/strong> Rather than communicating simple ideas the way green monkeys do (\u201cCareful! A lion!\u201d or \u201cCareful! An eagle!\u201d), the language of Sapiens could warn someone about a lion, describe its location, and plan how to deal with it. This allowed them to plan and follow through on complex actions like avoiding predators and working together to trap prey.
<\/p>\n\n\n\n

Cognitive Revolution Ability #2: Gossip<\/strong><\/h3>\n\n\n\n

A second distinction of the Sapiens language during the Cognitive Revolution was its ability to convey gossip. We think of gossip as a bad thing, but using language to convey information about other people is a way to build trust. <\/strong>Trust is critical for social cooperation, and cooperation gives you an advantage in the struggle to survive<\/a> and pass on your genes.
<\/p>\n\n\n\n

Even today, most of our communication is gossip<\/strong>, if we define gossip as talking about other people. If we hear from a friend that the banker down the street offers fair interest rates on mortgage loans, we feel comfortable doing business with that banker, even though he\u2019s a stranger. On the flip side, if we hear that the banker is a fraud, we stay away from her. Gossip helps us avoid strangers who may cheat us or be undependable.
<\/p>\n\n\n\n

Neanderthals probably didn\u2019t have the capability to gossip. Their language was equipped to talk about lions and bison, but not other people. When they couldn\u2019t talk about others, they couldn\u2019t assess the trustworthiness and dependability of strangers. That meant they could only cooperate with the people they knew intimately, family members and close locals. 
<\/p>\n\n\n\n

Because an animal can only know so many other animals intimately, the lack of the ability to gossip kept Neanderthal groups small. <\/strong>Sapiens, on the other hand, could form groups of up to 150 people. They didn\u2019t need to know every group member personally to trust them. In a battle, a small group of Neanderthals was no match for a group of 150 Sapiens.
<\/p>\n\n\n\n

Cognitive Revolution Ability #3: Fictions<\/strong><\/h3>\n\n\n\n

A third benefit of the Sapiens\u2019 language during the Cognitive Revolution (in Harari’s Sapiens<\/em>) was how it was used to create fictions, also known as \u201csocial constructs\u201d or \u201cimagined realities.\u201d
<\/p>\n\n\n\n

Being able to communicate information about things that don\u2019t exist doesn\u2019t seem like an advantage. But Sapiens seem to be the only animals who have this ability to discuss things that don\u2019t have a physical presence in the world, like money, human rights, corporations, and God.<\/strong>
<\/p>\n\n\n\n

For instance, you can\u2019t convince a monkey to give you its banana on the argument that if it does, it will get unlimited bananas when it dies and goes to heaven. Your negotiations with monkeys are limited because you can only promise rewards that exist materially in this world. Monkeys can\u2019t create imagined realities like heaven.
<\/p>\n\n\n\n

Collective Fictions<\/h4>\n\n\n\n

Collective fictions were an important piece of the Cognitive Revolution. In and of itself, imagining things that don\u2019t exist isn\u2019t an asset\u2014you won\u2019t aid your chances of survival if you go into the forest looking for ghosts rather than berries and deer.
<\/p>\n\n\n\n

What\u2019s important about the ability to create fictions is the ability to create <\/strong>collective <\/em><\/strong>fictions, fictions everyone believes. <\/strong>These collective myths allow people who\u2019ve never met and otherwise would have nothing in common to cooperate under shared assumptions and goals.
<\/p>\n\n\n\n

Collective fictions aren\u2019t the same as lies. These aren\u2019t lies because everyone collectively believes them.<\/strong> For example, members of the UN weren\u2019t lying when they insisted that Libya\u2019s government respect the rights of its citizens, even though Libya, human rights, and the UN itself are all imaginary realities, or social constructs. The borders that separate Libya from other countries are man-made, not physical features of the landscape; human rights is a concept many of us believe in, but rights don\u2019t exist outside our collective imagination; and, like Libya, the UN is a social construct<\/a>, an organization that has no physical existence.
<\/p>\n\n\n\n

While humans lived without these social constructs for millennia, today, imaginary realities in some cases matter more than objective realities.<\/strong> For instance, the survival of actual entities like rain forests and endangered river dolphins depends on the charity of imaginary entities like the United States and non-profit organizations.
<\/p>\n\n\n\n

The Cognitive Revolution: Chimp and Sapiens Social Groups<\/strong><\/h2>\n\n\n\n

We can see the advantages of flexible language, gossip, and shared fictions by comparing chimp social groups with Sapiens social groups. 
<\/p>\n\n\n\n

Chimp Social Groups<\/strong><\/h3>\n\n\n\n

When chimps become alpha males, leaders of their troops, it\u2019s usually due to the fact that they\u2019ve created strong social ties with the members of the group. But in order for this social structure to work, everyone in the troop has to know the others well.<\/strong> Chimps who haven\u2019t met won\u2019t trust each other and won\u2019t know who is of higher rank.
<\/p>\n\n\n\n

The fact that everyone has to know one another limits the troops to between 20 and 50 chimps. Otherwise, the group destabilizes and the troop breaks up into smaller troops, which generally don\u2019t cooperate with each other.
<\/p>\n\n\n\n

Sapiens Social Groups<\/strong> after the Cognitive Revolution<\/h3>\n\n\n\n

Until the Cognitive Revolution, Sapiens functioned in social groups similar to those of chimps. But the ability to gossip<\/strong> meant that members didn\u2019t have to know all the other members intimately\u2014they could know them through word of mouth<\/a>.<\/strong> 
<\/p>\n\n\n\n

This means that Sapiens social groups can be much bigger than chimp social groups. But you can still only effectively gossip about a maximum of 150 people\u2014beyond this number, it\u2019s just too hard to keep track of all the people. Even today, businesses with fewer than 150 people don\u2019t necessarily need concrete rules and a clear hierarchy to function. Because everyone knows each other well, social bonds keep the order. Beyond 150 people, the group becomes chaotic as there\u2019s no way to be intimately connected with, or gossip about, so many people.
<\/p>\n\n\n\n

So gossip was a good first step toward creating large, cohesive groups (and, consequently, dominating other animals, including humans). But Sapiens have managed to found cities, nations, and empires of hundreds of millions of subjects. How did they cross the 150 threshold?
<\/p>\n\n\n\n

This is where common myths, or collective fictions<\/strong>, come into play. Cities, nations, and empires aren\u2019t real entities. They exist only in the collective mind of the group.
<\/p>\n\n\n\n

For example, churches can hold sway over millions of people all over the world because of the belief system<\/a> that binds their followers to each other, even when they\u2019re strangers and have nothing else in common.
<\/p>\n\n\n\n

Likewise, citizens of a nation are often tied together by common ideals established by the nation\u2019s founders and the shared stories they tell the world about themselves.
<\/p>\n\n\n\n

If we could only talk about things that really existed, like rivers, mountains, and lions, we\u2019d never be able to form the powerful social and cooperative networks created by \u201cimaginary\u201d entities like churches and nations. The world would be chaotic.
<\/p>\n\n\n\n

Although imagined, these myths are crucial. Without collective fictions, the systems built on them collapse.<\/strong> And as we\u2019ll see, most of our modern systems are built on these imagined realities. These myths are powerful, and the fact that they\u2019re not rooted in objective reality doesn\u2019t undermine them.
<\/p>\n\n\n\n

Collective fictions allowed early Sapiens to cooperate within extremely large groups of people they\u2019d never met, and it rapidly changed their social behavior.
<\/p>\n\n\n\n

The Cognitive Revolution: Genetic Evolution Versus Social Evolution<\/strong><\/h2>\n\n\n\n

Usually, it takes a genetic mutation to significantly change behavior, and that takes hundreds, if not hundreds of thousands, of years. 
<\/p>\n\n\n\n

For example, common chimpanzees live in hierarchical groups led by the alpha male, whereas their relatives the bonobos live in egalitarian groups led by females. Chimps can\u2019t suddenly decide that they too want to live in an egalitarian society. Their social behavior is ingrained in their genes. Such a change would have to come from their DNA.
<\/p>\n\n\n\n

Until the Cognitive Revolution (as depicted in Harari’s Sapiens<\/em>), the social and technological evolution of Sapiens also depended on changes in DNA. But the Cognitive Revolution\u2014and the language, collective fictions, and cooperation it brought with it\u2014allowed Sapiens to evolve much faster than other humans.<\/strong> We can now change our social structures, interpersonal behavior, and economic behavior within decades, rather than over hundreds of years.
<\/p>\n\n\n\n

Cognitive Revolution Example: The Power of the Pope<\/strong><\/h4>\n\n\n\n

We can see how the advent of \u201cfictions\u201d made social evolution independent of biological evolution in the example of the Pope.<\/p>\n\n\n\n

In the societies of our chimp relatives, the alpha male uses his position of power to mate with as many females as possible, ensuring that he passes his genes to the next generation. In the animal world, this is the primary, instinctive goal\u2014to survive long enough to pass on your DNA and keep your ancestral line alive. The sole purpose of gaining power is to help you survive and procreate.<\/p>\n\n\n\n

However, in modern human societies, power is divorced from procreation and institutions are passed along not through genes but through fictions.<\/strong><\/p>\n\n\n\n

For example, Catholic priests, Buddhist monks, and Chinese eunuchs all hold sway over their societies. They\u2019re also meant to be celibate. Their celibacy isn\u2019t the result of limited resources or a lack of females. It\u2019s also not the product of a genetic mutation.<\/p>\n\n\n\n

There\u2019s no genetic basis or survival need for the Catholic Church, but it hasn\u2019t died out. It\u2019s passed from one generation to the next via stories rather than genes.<\/p>\n\n\n\n

The Cognitive Revolution set up the world that we recognize today.<\/p>\n","protected":false},"excerpt":{"rendered":"

What was the Cognitive Revolution in Sapiens? How did it allow our species to survive, while other human species, such as Neanderthals, disappeared? The Cognitive Revolution was the moment in human history when our ancestors developed three new abilities: flexible language, communication about 3rd parties, and collective fictions. The Cognitive Revolution allowed homo sapiens to develop the societies that characterize the species today. We’ll cover the three aspects of the Cognitive Revolution as described in Yuval Noah Harari’s book Sapiens and expand upon the above Cognitive Revolution definition.<\/p>\n","protected":false},"author":4,"featured_media":2973,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[39,24],"tags":[57],"class_list":["post-2967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-history","category-society","tag-sapiens","","tg-column-two"],"yoast_head":"\nCognitive Revolution (Sapiens): How Gossip Changed Our Brains - Shortform Books<\/title>\n<meta name=\"description\" content=\"During the Cognitive Revolution, our ancestors developed three new abilities related to language. 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