The human brain is often called the most complex structure in the universe. It helps us think, feel, learn, remember, and connect with the world. Yet, when people first hear words like cortex, axon, or neuroplasticity, they can feel these topics are too scientific or hard to follow.
This book makes neuroscience easy for everyone. Instead of heavy academic language, you will find clear, everyday explanations. Each term is arranged alphabetically from A to Z, just like a pedia. Alongside each word you’ll see an easy pronunciation and simple examples from daily life.
Our goal is not to overload you with rare terms. We focus on popular and high‑interest ideas that matter for students, educators, and curious readers. By the end of this A–Z journey, you will have a strong foundation in how the brain and mind work — without needing a science background.
— Author
The amygdala is a small, almond‑shaped part of the brain that helps us feel and respond to emotions, especially fear and anger. If a dog suddenly barks, the amygdala helps your body react quickly.
It also helps store emotional memories — moments that are very happy, exciting, or scary are easier to remember.
The brain is the body’s control center. It lets us think, learn, feel, and move. Different parts do different jobs: the front helps with planning and decisions, the back helps us see, and the sides help us hear and remember.
Even though it is small compared to the body, the brain uses a lot of energy and coordinates almost everything we do.
Often called the “little brain,” the cerebellum helps with balance and smooth movement. When you walk, dance, or ride a bicycle, it keeps you steady and improves with practice.
Neurons are brain cells that send and receive messages. Each has branches (dendrites) to receive signals and a long fiber (axon) to send signals. Together, networks of neurons make thinking, feeling, and moving possible.
This front‑most area of the brain helps with planning, decision‑making, and self‑control. Choosing to finish work before resting is one example of the prefrontal cortex in action.
A synapse is the tiny gap where messages pass from one neuron to another. It’s how brain cells “talk.” Without synapses, neurons could not communicate and learning would not happen.
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