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Behave summary

The Biology of Humans at Our Best and Worst

4.5 (339 ratings)
22 mins

Brief summary

Behave by Robert Sapolsky explores the complex factors that shape human behavior, from biology to culture.
It provides a nuanced understanding of the influences on our actions and offers insights for creating a more compassionate society.

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    To understand human behavior, we must delve into the biology of the brain, culture and history.

    The saying goes that everything happens for a reason, and whether or not you believe this to be the case when it comes to the events that unfold in a lifetime, it’s certainly a valid statement when it comes to grasping human behavior.

    If we really want to get to grips with the factors that influence humanity's best and worst behaviors, we're going to have to delve deeply into human biology.

    Immediately before a given behavior occurs – such as the shooting of a gun – the oldest parts of the human brain kick into gear. We inherited these regions of the brain from our evolutionary ancestors, and these very regions are the ones that process our most basic instincts, like the fear of death. This is just the sort of emotional impulse that might lead a person to pull a trigger.

    But, in the seconds to minutes before the fatal moment occurs, the brain has been busy processing sensory data – particularly visual or auditory information – based on its immediate environment. This information from the senses impacts on how we act. In a war zone, for example, heightened sensory awareness of danger makes it much more likely that we'll act aggressively.

    However, the brain’s response isn’t randomly generated. In fact, our behavioral biology is deeply intertwined with human society, culture and history.

    Years to decades before a behavior takes place, we’ll have grown up in human societies that determine our behavior. Different societies will condition us to behave in different ways; in other words, we are more prone to violence if we were exposed and accustomed to constant violence earlier in our lives.

    And if we go back hundreds to thousands of years, we’d find ancestral geographies and ecologies have affected human behavior, for better and for worse.

    In short, if we’re going to get to the crux of the matter, we’re going to have to take an interdisciplinary approach to explain the complex origins of human behavior.

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    What is Behave about?

    Humans are complex beings, and human behavior doubly so. Every human act is a result of a myriad of factors, from brain chemistry to social conditioning, that have developed over millennia. In Behave (2017), renowned professor Robert Sapolsky takes a journey into the depths of the human condition, demonstrating the reasons behind the best – and worst – of human behavior.

    Behave Review

    Behave (2017) by Robert Sapolsky is a fascinating exploration of human behavior and the factors that shape our actions. Here's why this book is worth reading:

    • With deep scientific research and numerous studies, it provides a comprehensive understanding of what drives human behavior, challenging conventional wisdom.
    • Sapolsky seamlessly weaves together biology, psychology, and sociology, offering a multidimensional perspective that sheds light on the complexity of our actions.
    • Through humor and wit, Sapolsky presents complex concepts in an engaging and accessible manner, making the book a captivating read that never feels dull or dry.

    Who should read Behave?


    • Anyone interested in behavioral psychology
    • Students of neurology or biology
    • Curious readers looking to gain a better understanding of their own minds


    About the Author

    Robert Sapolsky is the John A. and Cynthia Fry Gunn Professor of Neurology and Neurosurgery at Stanford University. He has also written other highly acclaimed and popular science books including The Trouble with Testosterone and A Primate’s Memoir.

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    Behave FAQs 

    What is the main message of Behave?

    Understanding human behavior and the complex factors that influence it.

    How long does it take to read Behave?

    Reading time for Behave varies, but the Blinkist summary can be read in just 15 minutes.

    Is Behave a good book? Is it worth reading?

    Behave is worth reading as it offers fascinating insights into human behavior and the science behind it.

    Who is the author of Behave?

    Robert Sapolsky is the author of Behave.

    What to read after Behave?

    If you're wondering what to read next after Behave, here are some recommendations we suggest:
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