Where does somatic marker collide?

In Antonio Damasio's account, a somatic marker is a bodily or emotional signal that tags an option as good or bad before we reason it through, so that a racing heart or a gut unease steers a choice away from a bad bet. Damasio placed the mechanism in the ventromedial prefrontal cortex and argued that emotion is not the enemy of good judgment but a condition for it, since patients with damage there reason fluently yet choose ruinously. Bechara and the Damasios built the Iowa Gambling Task to show the effect, reporting that healthy players began avoiding risky decks, and showed anticipatory skin conductance responses, before they could say why. The referent here is a specific neural and bodily process, not a general rule of thumb or a mood carried over from somewhere else. On this view emotion biases the options first and deliberate reasoning arrives second.[1][2]

Unit

A bodily or emotional signal that biases one option over another

Recovery means

Not applicable

Measured by

Choices on the Iowa Gambling Task, with anticipatory skin conductance responses recorded as the bodily signal

Paul Slovic and colleagues describe the affect heuristic as the way a quick feeling of good or bad, attached to an image or idea, stands in for a slower weighing of risks and benefits. People consult an affect pool of positive and negative tags and read the answer off it, which is fast and often serviceable but can be led astray by how a risk is framed or how vivid it feels. The claim is close to Damasio's, in that a feeling reaches the judgment before the analysis does. What differs is the level of description, since Slovic writes about a cognitive shortcut studied through ratings of risk and benefit, not about a named brain region or a recorded bodily response. It is the same idea of emotion guiding a decision, wearing the vocabulary of judgment-and-decision research rather than neuroscience.[3]

Unit

A positive or negative feeling standing in for a full weighing of a choice

Recovery means

Not applicable

Measured by

Ratings of risk and benefit, and how a manipulated feeling shifts them, in surveys and experiments

Norbert Schwarz and Gerald Clore argue that people read their momentary feelings as information about whatever they are judging, asking in effect how do I feel about this and treating the answer as a verdict on the object. In their 1983 study people reported higher life satisfaction on sunny days than rainy ones, but the effect vanished when they were first reminded of the weather, because they then traced the mood to its real source. The point is that a feeling informs a judgment only while its true cause goes unnoticed, which makes the influence an attribution rather than a fixed signal. This overlaps Damasio's somatic marker and Slovic's affect heuristic in treating emotion as an input to judgment, yet it foregrounds something they leave implicit, that the feeling can be discounted once its source is known. The label names the same territory from social cognition, with a passing mood rather than a bodily marker as the carrier.[4][5]

Unit

A momentary feeling read as a verdict on the object being judged

Recovery means

Not applicable

Measured by

Judgments such as reported well-being, and how they change when the feeling's true source is made salient