Decades ago, scientists noticed neurons increase their activity when an individual is taking a particular action, for example, waving when others are waving. They named them "mirror neurons."
But, your brain is really predicting your next action based on what you see, hear, and feel if you move. Seeing someone wriggle their fingers in the air and understanding it as a greeting is a normal part of your brain's predictive processes.
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All of your sensations are computed in your brain.
You may have heard that your passions lie deep in ancient parts of your brain that you apparently inherited from prehistoric reptiles. Or that your "rational brain" which sits on top of your "lizard brain" tries to moderate your desires.
The only animal with a lizard brain is a lizard. Neuroscience clearly shows that brains don't evolve in layers but follow a single manufacturing plan.
Most parts of the human brain can't grow new brain cells, but some parts can.
The hippocampus can grow new neurons. The hippocampus is important for learning, remembering, regulating your eating, and other biological functions.
During any day, it can seem like your brain is reacting to events around you. You're pricked by a needle and feel a bit of pain.
However, your brain constantly predicts the next moment and compares the guess to the data it receives from the world and inside your body. These predictions turn into your actions.
Hormones don't just have one specific psychological purpose, and all the chemicals work together in your mind.
Generally, no part of your brain is exclusively dedicated to creativity or mathematical reasoning. Neurons compute every action you take from across the entire brain.
While your cerebral cortex consists of two halves, both are intricately connected. Language ability does take place mainly in the left hemisphere, but this lateralisation develops gradually in most people.
Your brain doesn't store memories like a filing system. Your brain reconstructs your memories on demand with electricity and chemicals.
"Remembering" is really "assembling" and may be influenced by your current situation, so your brain may reshape each occurrence so that it differs in the details.
It is a myth that specific parts of the human brain have specific psychological jobs. The myth claims that the brain has separate parts, each with a dedicated mental function - one part for vision, another for memory, etc.
Today, we know the brain is a massive network of neurons with multiple jobs, not a single psychological purpose. Not all neurons can do everything, but most neurons do more than one thing.
Hormones are chemicals produced by various glands, called the endocrine system, whose primary function is to communicate between two glands or between a gland and an organ focusing on: mood regulation, pleasure, pain relief etc.
Neurotransmitters are like hormones but they are produced in the brain and send messages using the nervous system.
We've heard this myth countless times from many different films or even in some of the fiction books we've read, but the reality is it continues to be a work of fiction. If this myth were true, we wouldn't be worried about brain damage that has profound consequences for our cognition and function.
The truth of the matter is that brain imaging techniques have demonstrated that the entire brain is being used even while we are asleep.
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