I asked Claude AI to explain Freudian defence mechanisms of the mind in terms of a banana. I wanted a fun and relatable way to approach this otherwise difficult subject. The answer was indeed amusing - even with major errors. I’m publishing a revised version below, hope you enjoy it.
Why does this matter? Because, in a nutshell, the mind can be seen as a system attempting to maintain its own integrity. Problems arise when the mechanisms with which it does interfere with our relationship with reality. Freud noticed and documented a number of such “defence mechanisms”, so that now we do not need to discover them every single time. Noticing these patterns can really help with bringing thought back to reality, examining underlying motives and releasing pressure. We mostly live under an illusion of control and choice - that everything we think is straight-forward, when it is not. Each thought is a result of a number of processes running in the background, finding ways to shortcut decision-making. This has been evidenced thoroughly (Nisbett and Wilson, 1977; Kahneman and Frederick, 2002; Johansson et al., 2005).
Here’s one running scenario: it is late in the evening and we’re hungry. There’s one banana left in the shared kitchen. It belongs to my housemate, and I really fancy it. I don’t want to ask them because we have fallen out, and are not on good terms. Each defence is a different way of handling the conflict between wanting it and knowing I shouldn’t take it without asking.
Mature(ish) defences
- Sublimation: The craving gets redirected into something productive, like going out and buying food or cooking something.
- Humour: “I’m going bananas over here” turns the tension into a joke without hiding the hunger.
- Altruism: I might eat the banana, then buy a whole banana bunch for my housemate.
- Anticipation: I “feel” the guilt and shame of taking the banana before I actually eat it by imagining what my housemate will say when they find out, and then rehearsing my response.
- Suppression: “I will just go to sleep instead”, consciously deciding to set the urge aside.
Why are these mature-ish? Because they involve acknowledging the need or want, but something is stopping me from engaging with another person in a vulnerable way, which tends to damage relationships. More on this at the end. Let’s look at how defences can escalate first.
Neurotic Defences
- Repression: I have no memory of the time I slipped on a banana peel in front of the class, and I feel uneasy around bananas without knowing why.
- Displacement: The banana-owner has some power here, which I resent. So instead of asking, which feels exposing, I send an angry email to someone less powerful than me about some minor misdemeanour, making them feel as exposed as I do.
- Reaction formation: I post on social media how disgusting and overrated bananas are.
- Rationalisation: I eat it without asking, then justify it to myself: “It was going brown, I just saved it from being wasted.”
- Intellectualisation: I discuss the ripening chemistry of ethylene gas.
Narcissistic Defences
- Projection: I ate the banana, and then accuse my housemate of always stealing my food.
- Denial: I tell myself I’m not hungry, I’m just anxious, then go to bed. In the middle of the night, I wake up and eat the banana. In the morning, I forgot I ate it. When asked, I deny, because I genuinely forgot I ate it.
- Idealisation and devaluation: my housemate is the best person ever and I regret falling out. As I’m about to eat the banana, they come down and eat it first. Then they become the worst person ever, and all the good they’ve done in the past was “just showing off”.
- Acting out: Instead of saying I’m upset about the argument, I throw the banana at the wall.
- Omnipotence: “I know bananas better than anyone, so the normal rules of sharing don’t apply to me.”
While Neurotic defences mostly try to hide the need from oneself, Narcissistic defences go a step further by affecting the person who is seen to have the power, trying to bring them down, making them less of a threat.
Borderline/ Primitive Defences
- Splitting:
- Split of self: I eat the banana because I am the worst person alive. Selfish, betraying, inconsiderate. The next day I bake a banana cake for my mate because I am a wonderful, generous person. Also, I forgot I ate the banana.
- Split of other: My housemate is the worst person ever so I will eat the banana because they deserve it. Next day, they bake a cake for me and became the best person ever. Also, I forgot why we had fallen out… (This is similar to devaluation, except it is more extreme and I struggle to see the good in the bad, or the bad in the good. Here, I can only see either, with no nuance).
- Projective identification: I feel guilty for eating the banana, so I provoke my housemate until they snap, then say, “See? YOU hurt me.” - so they feel guilty instead of me.
Psychotic Defence (in some versions)
- Delusional projection: The bananas have been tampered with by the neighbours and the pattern of brown spots is a message directed at me.
Notice how the mature responses acknowledge both the need and the reality, while each step down distorts the situation more. Also, please consider that the same person could use several of these on the same day, depending on stress, learnt behaviour, temperament, and many other factors, and this is not a diagnostic tool for personality disorders. What matters is to understand what the mind might be doing that could be affecting how we relate to others. Relating intimately without vulnerability is not possible, since it is not realistic to never feel guilt or shame, fear or resentment. Avoiding such feelings causes trouble, and therapy aims to help us tolerate discomfort more, so we can connect more, become more true to ourselves, and more authentic.
References & Further Reading
Freud, A. (1936). The ego and the mechanisms of defence. Hogarth Press.
Nisbett, R. E., & Wilson, T. D. (1977). Telling more than we can know: Verbal reports on mental processes. Psychological Review, 84(3), 231–259. https://doi.org/10.1037/0033-295X.84.3.231
Kahneman, D., & Frederick, S. (2002). Representativeness revisited: Attribute substitution in intuitive judgment. In T. Gilovich, D. Griffin, & D. Kahneman (Eds.), Heuristics and biases: The psychology of intuitive judgment (pp. 49–81). Cambridge University Press. https://doi.org/10.1017/CBO9780511808098.004
Johansson, P., Hall, L., Sikström, S., & Olsson, A. (2005). Failure to detect mismatches between intention and outcome in a simple decision task. Science, 310(5745), 116–119. https://doi.org/10.1126/science.1111709