Somatic marker hypothesis
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The somatic marker hypothesis, formulated by Antonio Damasio and associated reseachers, proposes that emotional processes guide (or bias) behavior, particularly decision-making.
"Somatic markers" are feelings in the body that are associated with emotions, such as the association of rapid heartbeat with anxiety or of nausea with disgust. According to the hypothesis, somatic markers strongly influence subsequent decision-making. Within the brain, somatic markers are thought to be processed in the ventromedial prefrontal cortex (VMPFC) and the amygdala. The hypothesis has been tested in experiments using the Iowa gambling task.
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