Incognito audiobook cover - The Secret Lives of the Brain

Incognito

The Secret Lives of the Brain

David Eagleman

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Incognito
The Illusion of Conscious Control+
Reality as a Constructed Hallucination+
The Brain's Competing Subsystems+
Evolutionary Roots of Cognition+
Rethinking the Legal System+
The Limits of Neuroscience+

Quiz — Test Your Understanding

Question 1 of 7
Why are professional baseball batters able to successfully hit fastballs despite having less time to react than it takes to form a conscious awareness of the ball?
  • A. They have trained their conscious minds to process visual information twice as fast as the average person.
  • B. They leave the conscious component out of their decision and respond instinctively.
  • C. They anticipate the pitcher's throw based on conscious mathematical calculations of trajectory.
  • D. Their visual perception system acts like a high-speed camera, slowing down their perception of time.
Question 2 of 7
According to the book, how does the human brain construct our perception of reality?
  • A. By functioning like a video camera that faithfully records and reproduces the outside world.
  • B. By using only our conscious, rational thoughts to filter out unnecessary environmental stimuli.
  • C. By interpreting a mix of electro-chemical signals to subconsciously construct a 'hallucination' of reality.
  • D. By relying primarily on our emotional subsystems to assign meaning to raw visual data.
Question 3 of 7
What would likely happen if a person's emotional brain system were completely disabled?
  • A. They would make perfect, purely logical decisions in a fraction of the time.
  • B. They would spend all their time overanalyzing and become unable to make even simple daily decisions.
  • C. They would lose all conscious awareness and operate entirely on physical reflexes.
  • D. They would no longer be susceptible to visual hallucinations like Anton’s syndrome.
Question 4 of 7
What does the phenomenon of a smoker wanting to quit but continuing to smoke illustrate about the brain?
  • A. The brain lacks the neuroplasticity required to overwrite deeply ingrained physical habits.
  • B. The emotional system is entirely dominant over the rational system in all human beings.
  • C. The brain's cognitive functions are strictly limited by evolutionary disadvantages.
  • D. The brain is composed of multiple, often competing subsystems rather than a single unified personality.
Question 5 of 7
Why are humans generally adept at navigating social problems, like detecting cheaters, but poor at performing large mathematical computations?
  • A. Mathematical computations require the use of the emotional subsystem, which is often suppressed.
  • B. Evolution shaped our cognitive abilities based solely on what provided an evolutionary advantage for our ancestors' survival.
  • C. Modern education systems inherently prioritize social sciences over rigorous mathematical training.
  • D. The rational brain system is a relatively new evolutionary development that is not yet fully functional.
Question 6 of 7
Based on neuroscientific findings regarding free will and biology, what profound shift does the author suggest for the legal system?
  • A. It should focus on personalized rehabilitation rather than blaming and punishing criminals.
  • B. It should implement harsher punishments to deter criminals whose emotional systems dominate their rational ones.
  • C. It should completely absolve all criminals of any wrongdoing and release them back into society.
  • D. It should rely on brain scans to predict and preemptively incarcerate potential future criminals.
Question 7 of 7
Despite advances in neuroscience, why is it unlikely that we will ever be able to perfectly predict human behavior?
  • A. Because the subconscious mind actively hides its intentions from conscious observation and scientific measurement.
  • B. Because human behavior is determined entirely by free will, which operates independently of biological processes.
  • C. Because the emotional system operates too swiftly for modern neuroimaging technology to capture accurately.
  • D. Because the brain's structure is incredibly complex and uniquely shaped by complex interactions between genes and the environment.

Incognito — Full Chapter Overview

Incognito Summary & Overview

Unbeknownst to you, a subconscious part of your brain is constantly whirring away and wielding a tremendous influence on your thoughts, feelings and behavior. Incognito: The Secret Lives of the Brain (2011) is your guide to the other side of your brain, and how it shapes your life.

Who Should Listen to Incognito?

  • Anyone interested in psychology, psychiatry or neuroscience
  • Anyone interested in what makes us see the world the way we see it, and the inner workings of our minds
  • Anyone who wonders whether there is such a thing as free will, and if criminals truly choose to commit their crimes

About the Author: David Eagleman

David Eagleman is a neuroscientist and junior professor at Baylor College of Medicine who has written several popular science books, including Wednesday is Indigo Blue.

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