Glossary

Functionalism (Philosophy of Mind)

Functionalism is the theory that mental states are defined by what they do rather than by what they are physically made of.

Overview

According to functionalism, a mental state such as pain is identified by its role in a system, for example how it is caused, how it affects behaviour, and how it relates to other mental states. This means that, in principle, different physical systems could have similar mental states if they perform the same functions. Functionalism has been highly influential in philosophy of mind, cognitive science, and artificial intelligence.

Key Insight

Functionalism focuses on the role and organisation of mental states rather than their physical substance.

Scientific Status

Functionalism remains one of the major theories in philosophy of mind, although critics argue that function alone may not explain subjective experience.

How Researchers Study It

The topic is studied through philosophical analysis, computational modelling, cognitive science, and theories of representation and behaviour.

Quick Facts

Field
philosophy of mind, cognitive science
Related Concepts
computational theory of mind, materialism, consciousness
Typical Context
mental states, artificial intelligence, cognition

Related Terms

FAQ

  • Can a machine be conscious under functionalism?

    Some versions of functionalism suggest it could be possible if the relevant functions were present.

  • What is the main criticism of functionalism?

    That it may explain mental roles without fully explaining subjective experience.