ヒューム『人間本性論』における知覚の「生気」

抄録

Many researchers pointed out an ambiguity of Hume's concept of ‘liveliness’ of perceptions. To answer the criticism, we may assert that liveliness of a perception consists in a certain causal function that it plays, namely its causal influence on the passions, will, and imagination. However, in light of the imperceptibility Hume ascribes to the causal powers themselves, this interpretation seems inconsistent with the sensibility of liveliness. I will argue against such objection that liveliness as causal influence can be perceived as a feeling of determination of the mind after one has observed a constant conjunction of each individual perception with emotional, volitional, and imaginational effects in each situation.