Module 10 · The science in depth · Evidence mixed

Habits, goals and the brain

Habit versus goal-directed control, outcome devaluation, and careful neuroscience.

7 min read · Level: Advanced · Free — no account needed to read

The problem it solves

What happens in the brain as a behaviour becomes a habit?

The concept

Research — much of it in animals — describes two ways of controlling action. Goal-directed control chooses actions by their expected results. Habitual control links situations to responses directly, and becomes more dominant with extensive repetition.

A classic test is outcome devaluation: if the reward is made worthless and the animal keeps acting, the behaviour is habitual. Circuits in the basal ganglia help “chunk” repeated sequences so they run with little attention.

Translating this to everyday human habits is harder than headlines suggest. Several lab attempts to create habits in people failed to produce the expected pattern, and brain findings describe mechanisms rather than telling you how to build a habit.

Why it matters

Understanding the two systems explains why strong habits can persist even when you no longer want their result — and why popular claims about quickly reprogramming your brain overreach.

Evidence mixed: Some studies support it and others do not, or early findings shrank when researchers tried to repeat them. The lesson explains both sides.

See it happen

A video claims you can “reprogram your basal ganglia” with a special morning ritual.

The ordinary first approach

It mentions a real brain area, so it must be scientific.

With the idea

The viewer knows the brain research is real but mostly from animals, and that no ritual is shown to reprogram anything.

What changed

Neuroscience vocabulary stopped being evidence on its own.

Easy to get wrong

• Treating brain-area names as proof of a technique.
• Assuming animal findings transfer directly to human daily life.
• Thinking a habit is “deleted” from the brain when it stops.

Different perspectives

Where the field genuinely disagrees. None of these is presented as the answer.

Two systems explain habits well

Animal research on outcome devaluation and brain circuits gives a clear account of how actions become habits.

Human habits are harder to pin down

Failed attempts to induce habits in human labs suggest the neat two-system picture may not fully describe everyday habits.

Try it now: Test for habit vs goal

1. Think of a habit whose original reason no longer applies.
2. Ask: do I still do it even though I don’t want its result?
3. If yes, note that it has become largely habitual — and changing its cue will matter more than changing your mind.

Apply it to one of your habits

For one of your habits, do you do it for its result, or has it mostly become automatic?

Reflect

• Which of your habits outlived its original reason?

Go deeper — evidence & sources

• Dickinson (1985). Actions and habits: the development of behavioural autonomy. Philosophical Transactions of the Royal Society B. doi:10.1098/rstb.1985.0010
• Graybiel (2008). Habits, Rituals, and the Evaluative Brain. Annual Review of Neuroscience. doi:10.1146/annurev.neuro.29.051605.112851
• de Wit, Kindt, Knot, Verhoeven, Robbins, Gasull-Camos and colleagues (2018). Shifting the balance between goals and habits: Five failures in experimental habit induction. Journal of Experimental Psychology: General. doi:10.1037/xge0000402
• Wood & Rünger (2016). Psychology of Habit. Annual Review of Psychology. doi:10.1146/annurev-psych-122414-033417