Cognitive science

Cognitive science is the scientific study of the mind and how it works. It looks at important mental abilities, such as seeing, remembering, paying attention, thinking, talking, and feeling emotions.

To learn about these abilities, scientists use ideas and methods from many different areas of study, including psychology, philosophy, artificial intelligence, neuroscience, linguistics, and anthropology.

This science tries to understand how our minds handle information, make decisions, and solve problems. It studies everything from simple actions like learning to complex ones like planning and reasoning.

One big idea in cognitive science is that thinking can be seen as using special structures in the mind and following certain steps to work with those structures.

By bringing together knowledge from many fields, cognitive science helps us learn how our brains and minds really work, giving us new ways to understand human thought and behavior.

History

Cognitive science began in the 1950s during what is called the cognitive revolution. People have thought about the mind for a long time. Early ideas came from ancient Greek thinkers like Plato and Aristotle.

In the 1930s and 1940s, scientists studying machines helped shape early ideas about the mind. Important people like Warren McCulloch and Walter Pitts made models based on how brain cells work.

The development of computers in the 1940s and 1950s also influenced cognitive science. Smart minds like Alan Turing and John von Neumann helped create modern computers. These became important tools for studying the mind.

In 1959, Noam Chomsky challenged common ideas in psychology. He said understanding language needed new ways of thinking. The term "cognitive science" was first used in 1973. Schools and groups for this field started in the 1970s and 1980s. The University of California, San Diego began the first department in 1986.

As computers became more common, researchers tried to make programs that copy how people think and solve problems. Later, new methods using networks of connected units became popular. Today, scientists keep exploring how the mind works using both old and new ideas.

Principles

Cognitive science studies how the mind works by looking at it in many ways.

For example, think about trying to remember a phone number. Scientists might watch how people behave, like asking them to repeat the number later. Or they might study what happens inside the brain, such as watching tiny brain cells called neurons light up. But looking at just one way doesn't tell the whole story. To really understand how remembering works, scientists need to see how these different ways connect.

This field brings together many areas of study, like psychology, neuroscience, linguistics, and computer science. They all work together to learn about how the mind interacts with the world around us. Some people think that machines can have “mind-like” qualities, depending on how they are designed.

Scope

Cognitive science is a big field that looks at how the mind works. It studies how we remember, learn, and understand language.

Now, scientists study more than just thinking. They also look at feelings, the body, and how animals think. They see how our bodies and the world help us think. This includes how our feelings, movements, and even our gut help us understand things.

Cognitive science also looks at how we pay attention. This means choosing what to focus on. It studies how we learn from babies to adults, and how we remember. Finally, it explores how we see, hear, and act, and what it means to be aware.

Research methods

Many ways are used to study cognitive science. This field mixes ideas from many areas. Research often uses methods from psychology, neuroscience, computer science, and systems theory.

Behavioral experiments

To learn about smart behavior, scientists watch how people act. This type of research is linked to cognitive psychology and psychophysics. By seeing how people react to different things, we learn how their minds work. Scientists measure how fast people respond, which can show differences in thinking. They also study how people judge things like sound loudness or color brightness.

Brain imaging

Main article: Neuroimaging

Brain imaging looks at brain activity while people do tasks. This helps us connect behavior with how the brain works. Different imaging methods show us where and when brain activity happens. For example, some methods show exact places in the brain, while others show timing better.

Computational modeling

See also: Computational cognition and Cognitive model

Computational models use math and logic to show problems. Computer models help us understand how intelligence works. These models can focus on abstract thinking or how the brain processes information.

Neurobiological methods

Research from neuroscience and neuropsychology helps us understand how intelligence works in the brain. These methods include studying brain cells and testing with animals.

Key findings

Cognitive science helps us learn about how people think and make choices. It has changed areas like economics, the way we understand numbers, and how we create smart machines. It also helps us study how we talk, see, and hear.

This science has also helped us understand why some people have trouble reading, seeing, or noticing things on one side.

Notable researchers

Well-known thinkers in cognitive science come from many areas. In philosophy, Daniel Dennett looks at the mind like a computer, John Searle is famous for his Chinese room idea, and Jerry Fodor supports the idea of functionalism.

Other important people include David Chalmers, who talks about Dualism and the hard problem of consciousness, and Douglas Hofstadter, known for his book Gödel, Escher, Bach. This book explores how we think and use words.

In language studies, Noam Chomsky and George Lakoff have had big impacts. In the field of artificial intelligence, Marvin Minsky, Herbert A. Simon, and Allen Newell are key figures.

Well-known names in psychology include George A. Miller, James McClelland, Philip Johnson-Laird, Lawrence Barsalou, Vittorio Guidano, Howard Gardner, and Steven Pinker. Anthropologists like Dan Sperber, Edwin Hutchins, Bradd Shore, James Wertsch, and Scott Atran work together with psychologists to understand culture and beliefs.

People such as David Rumelhart, James McClelland, and Philip Johnson-Laird have created computer models to explain thinking.

Epistemics

Epistemics is a term that began in 1969 at the University of Edinburgh. It started with a special school called the School of Epistemics. This is different from epistemology, which is about the study of knowledge in philosophy. Epistemics looks at knowledge in a scientific way.

Some people think epistemics is about making models to understand how we think, learn, and share ideas. Later, the School of Epistemics changed its name to The Centre for Cognitive Science. In 1998, it became part of the University of Edinburgh's School of Informatics.

Binding problem in cognitive science

Main article: Binding problem

Cognitive science tries to understand how our minds work together. It looks at how different parts of the brain work together to help us see, think, and talk. One big question is how the brain connects simple pieces of information, like colors and shapes, into a full picture.

Some scientists think the brain uses timing to link these pieces together, like a rhythm.

Even though we have learned a lot, there is still much we don’t know about how our minds start working when we are very young. Some ideas suggest that very young babies might struggle to make sense of signals from the world around them.