Thompson integrates Antonio Damasio's clinical findings on the role of the ventromedial prefrontal cortex with the enactive framework to produce the strongest available account of why emotion is constitutive of cognition rather than opposed to it. Damasio's case studies demonstrated that patients with intact IQ but damaged affective systems become unable to decide between options, generating reasons for and against each indefinitely without ever arriving at choice. The deficit is not in reasoning; it is in the affective evaluation that terminates deliberation by providing a felt sense of what matters.
For the AI debate, affective framing is a feature that current systems categorically lack. A large language model has no autonomic nervous system, no endocrine system, no muscular or visceral responses that would constitute a pre-cognitive assessment of its situation. It cannot feel a problem as urgent or trivial, as familiar or strange, as worth pursuing or worth abandoning. It can produce tokens describing urgency, familiarity, or worth, but the tokens are generated by statistical prediction, not by the affective system that would generate them in a living being. The distinction matters because the function of affective framing is to determine relevance, and statistical relevance and affective relevance are different things.
The practical consequence for AI-assisted work is that sense of what matters must be supplied by the human partner in the collaboration. The AI system cannot orient itself toward what is significant for a living project, because significance is a function of stakes, and the system has no stakes. The human who evaluates the system's output is exercising affective framing — the felt sense that something is off, the bodily discomfort in the presence of work that looks right but is not, the recognition that a passage 'sounds like insight' but breaks under examination. This evaluation is the irreducibly human contribution, and it depends on a capacity that cannot be outsourced to the tool.
Thompson develops the concept across Mind in Life (2007), drawing on Damasio's Descartes' Error (1994) and Merleau-Ponty's phenomenology of embodied perception.
Emotion is cognition at the level of valence. It is not opposed to reason; it is the ground on which reason operates.
Relevance is affective. What matters is determined by the organism's stakes, not by statistical frequency.
AI lacks an affective frame. No autonomic, endocrine, or visceral system means no pre-cognitive evaluation of significance.
Sedimented experience shapes affective response. The expert's felt sense that something is wrong is the accumulated history of embodied engagement with the domain.