Is brain-disease addiction the exception?
Fenton and Wiers argue that Korsakoff-level brain disease is a black swan; most addiction sits on a gradual continuum of impaired control that can recover.
Source
Free Will, Black Swans and Addiction
What they did
They accept that addiction involves delay-discounting and staged brain changes (reward, habit, dark-side stress) but deny that those changes automatically equal a brain disease. A gradual model moves from motivated choice toward compulsion. Extreme damage with little recovery (e.g. Korsakoff’s) may warrant the disease term.
What they found
Epidemiology shows most cases remit, so disease-as-rule is the wrong default. A continuous view of executive abilities is more accurate and may be a better engine for change.
The limits
What it doesn't show
This is a commentary on Lewis, not a new cohort. It does not quantify how often KS-like states occur among people labelled addicted.
Key terms
- Black swan
- A rare, extreme case (here: addiction as irreversible brain disease) mistaken for the typical case.
- Delay-discounting
- Preferring smaller sooner rewards over larger later ones; a facet of impulsivity.
- Korsakoff’s syndrome
- Severe alcohol-related brain damage with poor recovery of memory and control.
- Gradual model
- Addiction as a continuum from choice toward compulsion, not a binary diseased/healthy brain.
Flashcards
Research intelligence for this paper
See its role on concept claims, tensions it is part of, placement history, and related discoveries.
Quiz yourself
Brain disease is usually?
Common questions
When may ‘brain disease’ fit?
Extreme damage with little chance of recovery, e.g. some KS patients.
What is the usual picture?
Individual differences in control that addiction can impair and that can recover.
Why ‘black swan’?
If you start from KS, disease looks like the rule; epidemiology says it is not.
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