Thinking Fast and Slow Summary.

Thinking Fast and Slow summary is a short analysis of some written content which dwells on psychology, economics, and the social integration of the human brain and mind. According to Daniel Kahneman, the book is written particularly to dissect the two major mental workforces whose central function is set at finding some psychological nexus between fast cognition and slow cognition.

Going by what is stated above, thinking fast and slow has a lot to do with how the various behavioral patterns of man are wired with their actions and reactions through the power of thought which is in the mind. However, a look into what preoccupies the entire discourse of the book will further provide you with some definite clarity on the two subjects of speed as related to the system of thinking.

Thinking Fast and Slow Summary.

It is not surprising that hitherto man had been grappling with ascertaining the variations that are common to the process of identifying bridges. What thinking fast and slow summary will do here is to help you find the bridges which were until now phenomena. Daniel bifurcates the two cultures of thinking, that is, their speed nature, into System 1 and System 2. Here, you shall the make up of their differences and the points at which they reconcile.

1. Thinking Fast

Even as the whole summary of Thinking Fast and Slow is entirely about the nature of the brain with regards to the mental act of supplying results both consciously or rigorously and unconsciously or intuitively. Thinking fast, according to Kahneman, says it is gullible and biased. He calls it ‘our System 1’.

The fast brain roughly equates to the unconscious mind and drives 95 per cent of behavior. Heuristics, or mental shortcuts, are the thoughtless, energy-efficient routines that help you save your strength for the difficult questions. For example: a woman who is dependent largely on the fast thinking system for a decision making role is said to be dangerous as a premonition of what she was going to do next came to mind quickly, automatically, and effortlessly. You did not intend to assess her mood or to anticipate what she might do, and your reaction to the picture did not have the feel of something you did. It just happened to you. It was an instance of fast thinking where she does not get to weigh the consequences of her her decisions, nor does she check the advantages and the disadvantages.

Another one thing one notices is that when people when people are asked to think fast, they tend to be happier, more creative, energetic, and self-confident. Faster thinking also ties into planning, problem-solving, goal setting, and being able to focus. Faster thinking will also keep your brain mentally sharp. You also will experience faster reaction times.

2. Thinking Slow

Slow thinking, which is also called System 2 according to Daniel-the author of the book, is what most of us would call the real way of thinking simply because of the fact that it is conscious, deliberative, and mostly rational. We use both fast and slow thinking when we process information and make decisions, according to Kahneman, but we tend to avoid slow thinking when we can following the knowledge that it is more rigorous and conscious.

Slow thinking is more intentional or conscious and it requires care and attention. The effort which involves mental activities is necessary in making some real complex computations. Thinkin slow is a result of focusing, paying attention, monitoring, and controlling your behavior, formulating an argument, solving a problem, or doing anything that causes your brain to exert itself. Brain fog can be a symptom of a nutrient deficiency, sleep disorder, bacterial overgrowth from overconsumption of sugar, depression, or even a thyroid condition. Other common brain fog causes include eating too much and too often, inactivity, not getting enough sleep, chronic stress, and a poor diet.

Beneficially, research regularly suggests that so-called slow thinking requires more disciplined thought and yields more productive decision-making than quick reactions, which are less accurate or helpful. System 2 which is otherwise known as slow thinking is one of the latest discovery to our brain and this was just a few thousand years old. It is what helps us succeed in a world where human priorities have shifted from getting food and shelter to earning money, supporting a family and making many complex decisions.


It is better that you rather choose the slow thinking part of the brain so that you may be seen better at making the right decisions, instead of the ones that may later be considered impetuous and brash.


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