Do you like to make small talk? Do you prefer one-to-one conversations or group activities? These questions and many others often show up in personality quizzes to reveal how introverted or extroverted you are, but what does that really mean? Here's what science tells us about extroversion and introversion.
Tagged With neuroscience
Dr Robert Lustig joined us in the studio to talk about his new book, The Hacking of the American Mind: The Science Behind the Corporate Takeover of Our Bodies and Brains. Dr Lustig is a paediatric endocrinologist who is also author of the book Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity and Disease. He talks to us about how corporate interests have worked to keep us addicted to pleasure -- and how our addictions have robbed us of happiness.
If you use Google's Photos app, Microsoft's Cortana, or Skype's translation function, you're using a form of artificial intelligence (AI) on a daily basis. AI was first dreamed up in the 1950s, but has only recently become a practical reality -- all thanks to software systems called neural networks. This is how they work.
The human brain is capable of 1016 processes per second, which makes it far more powerful than any computer currently in existence. But that doesn't mean our brains don't have major limitations. The lowly calculator can do maths thousands of times better than we can, and our memories are often less than useless -- plus, we're subject to cognitive biases, those annoying glitches in our thinking that cause us to make questionable decisions and reach erroneous conclusions. Here are a dozen of the most common and pernicious cognitive biases that you need to know about.
There may be as many as 80,000 American prisoners currently locked-up in a SHU, or segregated housing unit. In 2014, NSW, NT and WA corrective services could not give a figure for how many people are in solitary confinement as it is constantly fluctuating. Solitary confinement can cause irreversible psychological effects in as little as 15 days. Here's what social isolation does to your brain, and why it should be considered torture.