Functional neural networks underlying response inhibition in adolescents and adults

Michael C. Stevens, Kent A. Kiehl, Godfrey D. Pearlson, Vince D. Calhoun

Research output: Contribution to journalArticlepeer-review


This study provides the first description of neural network dynamics associated with response inhibition in healthy adolescents and adults. Functional and effective connectivity analyses of whole brain hemodynamic activity elicited during performance of a Go/No-Go task were used to identify functionally integrated neural networks and characterize their causal interactions. Three response inhibition circuits formed a hierarchical, inter-dependent system wherein thalamic modulation of input to premotor cortex by fronto-striatal regions led to response suppression. Adolescents differed from adults in the degree of network engagement, regional fronto-striatal-thalamic connectivity, and network dynamics. We identify and characterize several age-related differences in the function of neural circuits that are associated with behavioral performance changes across adolescent development.

Original languageEnglish (US)
Pages (from-to)12-22
Number of pages11
JournalBehavioural Brain Research
Issue number1
StatePublished - Jul 19 2007
Externally publishedYes


  • Adolescent
  • Brain
  • Development
  • Independent component analysis
  • MRI
  • Network
  • Response inhibition

ASJC Scopus subject areas

  • Behavioral Neuroscience


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