Diminished neural responses predict enhanced intrinsic motivation and sensitivity to external incentive

Karen E. Marsden, Wei Ji Ma, Edward L. Deci, Richard M. Ryan, Pearl H. Chiu

Research output: Contribution to journalArticle

Abstract

The duration and quality of human performance depend on both intrinsic motivation and external incentives. However, little is known about the neuroscientific basis of this interplay between internal and external motivators. Here, we used functional magnetic resonance imaging to examine the neural substrates of intrinsic motivation, operationalized as the free-choice time spent on a task when this was not required, and tested the neural and behavioral effects of external reward on intrinsic motivation. We found that increased duration of free-choice time was predicted by generally diminished neural responses in regions associated with cognitive and affective regulation. By comparison, the possibility of additional reward improved task accuracy, and specifically increased neural and behavioral responses following errors. Those individuals with the smallest neural responses associated with intrinsic motivation exhibited the greatest error-related neural enhancement under the external contingency of possible reward. Together, these data suggest that human performance is guided by a “tonic” and “phasic” relationship between the neural substrates of intrinsic motivation (tonic) and the impact of external incentives (phasic).

Original languageEnglish (US)
Article number2
Pages (from-to)276-286
Number of pages11
JournalCognitive, Affective and Behavioral Neuroscience
Volume15
Issue number2
DOIs
StatePublished - Oct 28 2014

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Motivation
Reward
Magnetic Resonance Imaging

Keywords

  • Behavioral performance
  • Functional magnetic resonance imaging (fMRI)
  • Internal and external incentives
  • Intrinsic motivation
  • Neural substrates

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience

Cite this

Diminished neural responses predict enhanced intrinsic motivation and sensitivity to external incentive. / Marsden, Karen E.; Ma, Wei Ji; Deci, Edward L.; Ryan, Richard M.; Chiu, Pearl H.

In: Cognitive, Affective and Behavioral Neuroscience, Vol. 15, No. 2, 2, 28.10.2014, p. 276-286.

Research output: Contribution to journalArticle

Marsden, Karen E. ; Ma, Wei Ji ; Deci, Edward L. ; Ryan, Richard M. ; Chiu, Pearl H. / Diminished neural responses predict enhanced intrinsic motivation and sensitivity to external incentive. In: Cognitive, Affective and Behavioral Neuroscience. 2014 ; Vol. 15, No. 2. pp. 276-286.
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