Philosophy · Year 13 · Metaphysics of Mind: Physicalism and Functionalism · 4.º Período

Eliminative Materialism

Students explore Churchland's argument that folk psychology is a false theory and that mental states do not exist. They will evaluate the counter-intuitive nature of this stance.

TL;DR:Eliminative Materialism, championed by Patricia and Paul Churchland, is the most radical physicalist position. It argues that our common-sense 'folk psychology' (beliefs, desires, hopes) is a fundamentally flawed theory that will eventually be replaced by neuroscience. In this view, 'beliefs' don't actually exist any more than 'caloric fluid' or 'phlogiston' did.

• National Curriculum Attainment Targets
• AQA A-Level Philosophy 7172: 3.2.2.2 Eliminative materialism
• DfE Philosophy AS and A-level subject content: Metaphysics of mind

About This Topic

Eliminative Materialism, championed by Patricia and Paul Churchland, is the most radical physicalist position. It argues that our common-sense 'folk psychology' (beliefs, desires, hopes) is a fundamentally flawed theory that will eventually be replaced by neuroscience. In this view, 'beliefs' don't actually exist any more than 'caloric fluid' or 'phlogiston' did.

This topic challenges students' most basic intuitions about their own minds. It is a key part of the AQA A-Level, requiring students to evaluate the 'self-refuting' nature of the argument. This topic benefits from hands-on, student-centered approaches because it requires students to 'translate' their own thoughts into neuroscientific language, highlighting the 'clash' between how we feel and what science says.

Key Questions

1. Is folk psychology an outdated and inaccurate scientific theory?
2. Do beliefs and desires actually exist?
3. Is eliminative materialism self-refuting?

Watch Out for These Misconceptions

Common Misconception

Eliminativism is just a 'mean' version of identity theory.

What to Teach Instead

Identity theory says beliefs *are* brain states; eliminativism says beliefs *don't exist at all*. Using a 'Keep, Change, or Bin' sorting activity helps students distinguish between reduction and elimination.

Common Misconception

If eliminativism is true, we are just robots.

What to Teach Instead

It doesn't deny we are complex; it just says our 'labels' for that complexity are wrong. Peer-led discussion on 'the future of language' helps students imagine a world without folk-psychological terms.

Active Learning Ideas

Simulation Game

The Folk Psychology Lab

Students try to explain a simple action (e.g., 'buying a sandwich') using only 'folk psychology' (beliefs/desires). They then try to explain it using only 'brain states'. This highlights the 'theoretical' nature of our everyday talk.

30 min·Small Groups

Gallery Walk

The Graveyard of Dead Theories

Stations show 'theories' that were proven wrong (e.g., flat earth, miasma, witches). Students discuss whether 'beliefs and desires' belong in this graveyard or if they are fundamentally different from scientific theories.

30 min·Small Groups

Formal Debate

Is Eliminativism Self-Refuting?

One side argues that to 'believe' eliminativism is true, you must have a 'belief', which the theory says doesn't exist. The other side must defend the theory using the Churchlands' responses.

40 min·Whole Class

Frequently Asked Questions

Why do the Churchlands call folk psychology a 'theory'?

They argue that we use terms like 'belief' and 'desire' to predict and explain behaviour, much like scientists use theories to explain the world. Since folk psychology hasn't improved in 2,000 years and fails to explain sleep or mental illness, they argue it is a 'stagnant' and 'false' theory.

What is the 'self-refuting' objection?

Critics argue that the eliminativist is making a claim they 'believe' to be true. If 'beliefs' don't exist, then the claim itself is meaningless. The eliminativist responds that this is like a 17th-century person saying 'there is no such thing as vital spirit', the language we use to deny it will eventually change.

How can active learning help students understand eliminative materialism?

Eliminativism is highly counter-intuitive. By using the 'Folk Psychology Lab', students actually try to 'do' neuroscience instead of 'mind-reading'. This makes the Churchlands' point about the 'clumsiness' of our everyday language much more tangible and less like a dry academic exercise.

What is 'phlogiston' and why is it relevant?

Phlogiston was a 17th-century theory of fire that turned out to be completely wrong. Churchland uses it as an analogy: just as we 'eliminated' phlogiston when we discovered oxygen, we will 'eliminate' the concept of 'belief' when we fully understand the brain.