Anticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure

Rany Abend, Andrea L. Gold, Jennifer C. Britton, Kalina J. Michalska, Tomer Shechner, Jessica F. Sachs, Anderson M. Winkler, Ellen Leibenluft, Bruno B. Averbeck, Daniel S. Pine

Research output: Contribution to journalArticlepeer-review


Background: While translational theories link neurodevelopmental changes in threat learning to pathological anxiety, findings from studies in patients inconsistently support these theories. This inconsistency may reflect difficulties in studying large patient samples with wide age ranges using consistent methods. A dearth of imaging data in patients further limits translational advances. We address these gaps through a psychophysiology and structural brain imaging study in a large sample of patients across the lifespan. Methods: A total of 351 participants (8–50 years of age; 209 female subjects; 195 healthy participants and 156 medication-free, treatment-seeking patients with anxiety) completed a differential threat conditioning and extinction paradigm that has been validated in pediatric and adult populations. Skin conductance response indexed psychophysiological response to conditioned (CS+, CS−) and unconditioned threat stimuli. Structural magnetic resonance imaging data were available for 250 participants. Analyses tested anxiety and age associations with psychophysiological response in addition to associations between psychophysiology and brain structure. Results: Regardless of age, patients and healthy comparison subjects demonstrated comparable differential threat conditioning and extinction. The magnitude of skin conductance response to both conditioned stimulus types differentiated patients from comparison subjects and covaried with dorsal prefrontal cortical thickness; structure–response associations were moderated by anxiety and age in several regions. Unconditioned responding was unrelated to anxiety and brain structure. Conclusions: Rather than impaired threat learning, pathological anxiety involves heightened skin conductance response to potential but not immediately present threats; this anxiety-related potentiation of anticipatory responding also relates to variation in brain structure. These findings inform theoretical considerations by highlighting anticipatory response to potential threat in anxiety.

Original languageEnglish
Pages (from-to)916-925
Number of pages10
JournalBiological Psychiatry
Issue number10
StatePublished - 15 May 2020

Bibliographical note

Publisher Copyright:
© 2019


  • Anticipation
  • Anxiety
  • Conditioning
  • Development
  • Extinction
  • Threat

ASJC Scopus subject areas

  • Biological Psychiatry


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