On: Octopuses, crabs and lobsters to be recognised as ...

[shakna]

It is indeed incredibly low. Slime molds [0] can pass it. There is a memory component, which would prevent single cells from passing it, but it's not a metric that is all that useful in determining the intelligence of a species.

[0] http://dx.doi.org/10.13140/RG.2.2.15891.43041

[tim333 → shakna]

Even some single cells maybe https://www.nature.com/articles/s41467-019-11677-w

[7ewis → shakna]

Plastic has memory doesn't it?

Sounds like the sentience tests need to be rewritten

[tsimionescu → 7ewis]

Plastic has memory, but not feeling/sensation nor interaction with the environment. It is also not living by other standards (self-sustaining, reproductive).