Cited by 476Memory and Neural MechanismsNeural and Behavioral Psychology StudiesAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

From threat to fear: the neural organization of defensive fear systems in humans.

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Mobbs, Dean, Marchant, Jennifer L., Hassabis, Demis, Seymour, Ben, Tan, Geoffrey, Gray, Marcus, Petrovic, Predrag, Dolan, Raymond J. +1 more·2009·The Journal of Neuroscience

Abstract

Postencounter and circa-strike defensive contexts represent two adaptive responses to potential and imminent danger. In the context of a predator, the postencounter reflects the initial detection of the potential threat, whereas the circa-strike is associated with direct predatory attack. We used functional magnetic resonance imaging to investigate the neural organization of anticipation and avoidance of artificial predators with high or low probability of capturing the subject across analogous postencounter and circa-strike contexts of threat. Consistent with defense systems models, postencounter threat elicited activity in forebrain areas, including subgenual anterior cingulate cortex (sgACC), hippocampus, and amygdala. Conversely, active avoidance during circa-strike threat increased activity in mid-dorsal ACC and midbrain areas. During the circa-strike condition, subjects showed increased coupling between the midbrain and mid-dorsal ACC and decreased coupling with the sgACC, amygdala, and hippocampus. Greater activity was observed in the right pregenual ACC for high compared with low probability of capture during circa-strike threat. This region showed decreased coupling with the amygdala, insula, and ventromedial prefrontal cortex. Finally, we found that locomotor errors correlated with subjective reports of panic for the high compared with low probability of capture during the circa-strike threat, and these panic-related locomotor errors were correlated with midbrain activity. These findings support models suggesting that higher forebrain areas are involved in early-threat responses, including the assignment and control of fear, whereas imminent danger results in fast, likely “hard-wired,” defensive reactions mediated by the midbrain.

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Crossref · 10.1523/jneurosci.2378-09.2009

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  • Even during rest/off task, individuals with PTSD have a predisposition to engage the innate alarm system, the subcortical brain network hypothesized to facilitate reflexive defensive responses to a perceived threat.

    “Specifically, it appears that, even during rest/off task, individuals with PTSD have a predisposition to engage the innate alarm system, the subcortical brain network hypothesized to facilitate reflexive defensive responses to a perceived threat (Liddell et al., 2005; Mobbs et al., 2009; Steuwe et al., 2014; Lanius et al., 2017).”

    From How Processing of Sensory Information From the Internal and External Worlds Shape the Perception and Engagement With the World in the Aftermath of Trauma: Implications for PTSD (2021) · cites this paper as Mobbs et al., 2009

    The Discussion describes fast, “hard-wired” midbrain defenses during imminent threat, supporting the description of a subcortical system for rapid defensive responses. It does not establish that people with PTSD are predisposed to engage that system at rest or off task; its brief mention of PTSD concerns abnormalities reported in other studies. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • The activations observed in the medial prefrontal network are consistent with previous imaging studies implicating medial prefrontal cortex in distal threat, and suggest that contextually induced sustained anxiety may involve complex oscillations in neural activity in key prefrontal regions such as pACC and sACC.

    “Although the medial prefrontal network was not the focus of this study, the activations observed in this network are consistent with previous imaging studies implicating medial prefrontal cortex in distal threat (Mobbs et al., 2009), and suggest that contextually induced sustained anxiety may involve complex oscillations in neural activity in key prefrontal regions such as pACC and sACC.”

    From Phasic and sustained fear in humans elicits distinct patterns of brain activity (2011) · cites this paper as Mobbs et al., 2009

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Research works printed but not linked: 1

  1. Blanchard RJ Blanchard DC McNaughton N Andrews G An ethoexperimental analysis of defense, fear and anxiety Anxiety 1990b 24 33 Otago University Press Dunedin

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Authors
Mobbs, D., Marchant, J. L., Hassabis, D., Seymour, B., Tan, G., Gray, M., Petrovic, P., Dolan, R. J., & Frith, C. D.
Affiliations
  • Wellcome Centre for Human Neuroimaging (GB)
  • Brighton and Sussex Medical School (GB)
Corresponding author
Mobbs, Dean
Venue
The Journal of Neuroscience
Published
2009-09-30
Volume
29
Issue
39
Pages
12236-12243
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W1979538778
Cited by
476
References
58
Citations by year
2026: 12 · 2025: 36 · 2024: 35 · 2023: 32 · 2022: 29 · 2021: 39 · 2020: 26 · 2019: 36 · 2018: 28 · 2017: 29 · 2016: 29 · 2015: 34 · 2014: 26 · 2013: 30 · 2012: 21
FWCI
8.71
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion, cc-by)
  • UCL Discovery (University College London) (submittedVersion)
  • Max Planck Digital Library (submittedVersion, other-oa)
  • Cambridge University Engineering Department Publications Database (submittedVersion)
  • MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
Funders
  • Wellcome Trust (047963)
  • Brain Research Trust
  • Medical Research Council
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
threat anticipation, avoidance behavior, subgenual anterior cingulate cortex, pregenual anterior cingulate cortex, midbrain, amygdala, hippocampus, neural coupling, panic, threat probability
MeSH terms
Adult, Escape Reaction, Fear, Female, Humans, Magnetic Resonance Imaging, Male, Nerve Net, Panic, Photic Stimulation, Psychomotor Performance, Reaction Time, Young Adult

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