Addiction as Entrenchment
Not a doctor or therapist. This discussion contains no medical advice.
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With an account, you can revise, criticize, and comment on ideas, and submit new ideas.My conjecture
Conjecture: addiction is the result of the entrenchment of a conflict between two or more preferences in a mind.
Picture a smoker who wants to give up smoking but also really enjoys smoking. Those preferences conflict.
If the conflict is entrenched, then both preferences get to live on indefinitely. The entrenchment will not let the smoker give up smoking. He will become a chain smoker.
How is this theory new?
This doesn’t explain how to solve the entrenchment, ie cure the addiction.
Working on it. My preliminary answer is that it’s case by case. It depends on the nature of the particular entrenchment and the preferences involved. A more overarching answer might involve Randian ideas around introspection and getting one’s reason and emotions in the proper order.
I’ll leave this marked as a criticism until I flesh these thoughts out more.
There is a similar (identical?) theory put forward by Marc Lewis in The Biology of Desire. He explains addiction as the process of "reciprocal narrowing". The process of reciprocal narrowing does not remove conflicting desires, but instead reinforces a pattern of dealing with conflict through a progressively narrower, habitual response (substance, action, mental dissociation). Addiction, therefore, as you suggested, is a process of managing the "conflict between two or more preferences within the mind."
Entrenchment
Like Karl Popper, I think definitions rarely matter. But sometimes they do. So, just to clarify what I mean by ‘entrenchment’, here are some explanations and examples.
When a conflict is entrenched, it basically means the conflict resists solving. It’s like a barbed hook: pulling on it just causes more damage.
The Cambridge Dictionary defines entrenchment as “the process by which ideas become fixed and cannot be changed”.
The word originally came from the literal fortification of a place through the use of trenches. “[A] position protected by trenches”.
Here are some examples of how physicist David Deutsch uses the word in his book The Beginning of Infinity, which contains lots of epistemology. They’re from various chapters and obviously taken out of context, but I think they should still clarify the term (bold emphasis mine):
Though they are blind optimists, what defines them as utopians is their pessimism that their supposed utopia, or their violent proposals for achieving and entrenching it, could ever be improved upon.
And:
[T]he institutions of science are structured so as to avoid entrenching theories […]
And:
There are also arguments about the stultification of society caused by the entrenchment of old people in positions of power; […]
And:
[W]hat is necessary for progress is to exclude ideas that fail to survive criticism, and to prevent their entrenchment, and to promote the creation of new ideas.
And:
[T]he evolutionary pressure is for the psychological damage […] to be deeply entrenched, so that the recipients find themselves facing a large emotional cost [for considering deviating from prescribed behavior].
And:
A Popperian analysis would focus on the fact that Caesar had taken vigorous steps to ensure that he could not be removed without violence. And then on the fact that his removal did not rectify, but actually entrenched, this progress-suppressing innovation.
What makes such entrenchment possible in the first place?
Being conflicted about what to do for long stretches of time is not the natural state of any mind. It is an anti-skill ~everyone learns in their youth.
The chain smoker from my example is conflicted about smoking, right? Yet continues to do it anyway. Where do people learn to do things they feel conflicted about? In school.1
This is out of scope for the topic of addiction and deserves a more thorough treatment, but I think school could be one of the major causes of crime in this same epistemological sense. Since I’m guessing most criminals feel conflicted about whatever crime they’re about to commit but then commit it anyway.