A psychologist is a scientist who studies how people think, feel, and behave. Psychologists try to understand why we act the way we do, how our minds work, and what makes each person unique. Some psychologists work in research, running experiments to learn about memory, learning, emotions, or decision-making. Others work directly with people, helping them solve problems, overcome fears, or handle difficult feelings.

If you've ever wondered why you remember some things easily but forget others, or why one friend loves roller coasters while another is terrified of them, you're thinking like a psychologist. These scientists might study how children learn to read, why teams work well together, or how people recover from scary experiences.

Clinical psychologists help people dealing with anxiety, sadness, or other mental health challenges, but they're different from psychiatrists, who are medical doctors who can prescribe medicine. A psychologist typically has a doctoral degree (like a PhD or PsyD) and may use talk therapy, exercises, and strategies to help people.