Anchors, scales and the relative coding of value in the brain

Ben Seymour, Samuel McClure

Research output: Contribution to journalArticle

82 Citations (Scopus)

Abstract

People are alarmingly susceptible to manipulations that change both their expectations and experience of the value of goods. Recent studies in behavioral economics suggest such variability reflects more than mere caprice. People commonly judge options and prices in relative terms, rather than absolutely, and display strong sensitivity to exemplar and price anchors. We propose that these findings elucidate important principles about reward processing in the brain. In particular, relative valuation may be a natural consequence of adaptive coding of neuronal firing to optimise sensitivity across large ranges of value. Furthermore, the initial apparent arbitrariness of value may reflect the brains' attempts to optimally integrate diverse sources of value-relevant information in the face of perceived uncertainty. Recent findings in neuroscience support both accounts, and implicate regions in the orbitofrontal cortex, striatum, and ventromedial prefrontal cortex in the construction of value.

Original languageEnglish (US)
Pages (from-to)173-178
Number of pages6
JournalCurrent Opinion in Neurobiology
Volume18
Issue number2
DOIs
StatePublished - Apr 2008
Externally publishedYes

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Relative Value Scales
Prefrontal Cortex
Behavioral Economics
Brain
Neurosciences
Reward
Uncertainty

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Anchors, scales and the relative coding of value in the brain. / Seymour, Ben; McClure, Samuel.

In: Current Opinion in Neurobiology, Vol. 18, No. 2, 04.2008, p. 173-178.

Research output: Contribution to journalArticle

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