Comment by hopelite
1 day ago
What is the “normal” way? Is that defined in a technical specification? Did you provide the definition/description of what you mean by “normal”?
I would not have expected a language model to perform well on what sounds like a computer vision problem? Even if it was agentic, as you also imply how a five year old could learn how to do it, so too an AI system would need to be trained or at the very least be provided with a description of what is looking at.
Imagine you took an MRI brain scan back in time and showed it to a medical Doctor in even the 1950s or maybe 1900. Do you think they would know what the normal orientation is, let alone what they are looking at?
I am a bit confused and also interested in how people are interacting with AI in general, it really seems to have a tendency to highlight significant holes in all kinds of human epistemological, organizational, and logical structures.
I would suggest maybe you think of it as a kind of child, and with that, you would need to provide as much context and exact detail about the requested task or information as possible. This is what context engineering (are we still calling it that?) concerns itself with.
The models absolutely do know what the standard orientation is for a scan. They respond extensively about what they're looking for and what the correct orientation would be, more or less accurately. They are aware.
They then give the wrong answer, hallucinating anatomical details in the wrong place, etc. I didn't bother with extensive prompting because it doesn't evince any confusion on the criteria, it just seems to not understand spatial orientations very well, and it seemed unlikely to help.
The thing is that it's very, very simple: an axial slice of a brain is basically egg-shaped. You can work out whether it's pointing vertically (ie, nose pointing to towards the top of the image) or horizontally by looking at it. LLMs will insist it's pointing vertically when it isn't. it's an easy task for someone with eyes.
Essentially all images an LLM will have seen of brains will be in this orientation, which is either a help or a hindrance, and I think in this case a hindrance- it's not that it's seen lots of brains and doesn't know which are correct, it's that it has only ever seen them in the standard orientation and it can't see the trees for the forest, so to speak.