Susceptibility to social pressure following ventromedial prefrontal cortex damage

Kuan Hua Chen, Michelle L. Rusch, Jeffrey D. Dawson, Matthew Rizzo, Steven W. Anderson

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Social pressure influences human behavior including risk taking, but the psychological and neural underpinnings of this process are not well understood. We used the human lesion method to probe the role of ventromedial prefrontal cortex (vmPFC) in resisting adverse social pressure in the presence of risk. Thirty-seven participants (11 with vmPFC damage, 12 with brain damage outside the vmPFC and 14 without brain damage) were tested in driving simulator scenarios requiring left-turn decisions across oncoming traffic with varying time gaps between the oncoming vehicles. Social pressure was applied by a virtual driver who honked aggressively from behind. Participants with vmPFC damage were more likely to select smaller and potentially unsafe gaps under social pressure, while gap selection by the comparison groups did not change under social pressure. Participants with vmPFC damage also showed prolonged elevated skin conductance responses (SCR) under social pressure. Comparison groups showed similar initial elevated SCR, which then declined prior to making left-turn decisions. The findings suggest that the vmPFC plays an important role in resisting explicit and immediately present social pressure with potentially negative consequences. The vmPFC appears to contribute to the regulation of emotional responses and the modulation of decision making to optimize long-term outcomes.

Original languageEnglish (US)
Article numbernsv037
Pages (from-to)1469-1476
Number of pages8
JournalSocial Cognitive and Affective Neuroscience
Volume10
Issue number11
DOIs
StatePublished - Dec 5 2014

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Prefrontal Cortex
Pressure
Skin
Brain
Risk-Taking
Decision Making
Psychology

Keywords

  • Brain damage
  • Decision making
  • Driving simulation
  • Emotion regulation
  • Prefrontal cortex
  • Social pressure

ASJC Scopus subject areas

  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology

Cite this

Susceptibility to social pressure following ventromedial prefrontal cortex damage. / Chen, Kuan Hua; Rusch, Michelle L.; Dawson, Jeffrey D.; Rizzo, Matthew; Anderson, Steven W.

In: Social Cognitive and Affective Neuroscience, Vol. 10, No. 11, nsv037, 05.12.2014, p. 1469-1476.

Research output: Contribution to journalArticle

Chen, Kuan Hua ; Rusch, Michelle L. ; Dawson, Jeffrey D. ; Rizzo, Matthew ; Anderson, Steven W. / Susceptibility to social pressure following ventromedial prefrontal cortex damage. In: Social Cognitive and Affective Neuroscience. 2014 ; Vol. 10, No. 11. pp. 1469-1476.
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