Neuroeconomics is the science that combines neuroscience, psychology, and economics to study how people make decisions. It looks at how the brain works when we choose between different products, prices, or risks, helping experts understand consumer behavior better.Neuroeconomics helps us understand why people don’t always make logical or “best” decisions. For example, someone might choose to spend a lot of money on a brand they trust even if there’s a cheaper, similar product. This science reveals that emotions, memories, and even stress can affect how we make decisions. This is something traditional economics didn’t fully explain before.To better understand this, imagine you're in a convenience store deciding between buying an expensive chocolate bar and a cheaper candy. As you think about it, your brain starts weighing the taste you expect, the money you’ll spend, and how much you’ll enjoy each one. Neuroeconomics studies what parts of your brain become active during this choice: like the area responsible for rewards (pleasure), memory (past experiences with the snacks), and reasoning (budget or savings). By using brain scans (like fMRI), scientists can actually see how your brain reacts to different options before you even make your final choice.Another example is when we go online shopping. When a website shows a timer that says “Only 10 minutes left to buy!”—your brain may feel pressured. That pressure activates brain regions related to fear of missing out, which can lead you to buy impulsively. Neuroeconomics helps marketers understand this behavior, but it can also help you understand how your brain works so you can make smarter decisions.Neuroeconomics teaches us not just what people choose, but why they choose it, even when it doesn’t seem logical. This makes it useful for fields like business, marketing, mental health, and even everyday life.