Introduction to sentience

What is sentience

Sentience is the capacity to be affected positively or negatively. It is nearly synonymous with consciousness. Read more

The problem of consciousness

Close up of caterpillar climbing on branches

To be conscious is to be able to have some kind of subjective experience or awareness of something.1 We can only experience something if we […] Read more

Criteria for recognizing sentience

Sheep family sleeps together in the grass

There are three general criteria for deciding whether a being is sentient. These involve considerations that are (1) behavioral, (2) evolutionary, and (3) physiological.   Behavior […] Read more

Consciousness and self-awareness

As explained in the page on the problem of consciousness, consciousness can be defined as the state of having experiences. Conscious states, or mental states, […] Read more