Cited by 178Stress Responses and CortisolHeart Rate Variability and Autonomic ControlAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Exposed to events that never happen: generalized unsafety, the default stress response, and prolonged autonomic activity

Open access
Brosschot, Jos F., Verkuil, Bart, Thayer, Julian F.·2017·Neuroscience & Biobehavioral Reviews

Abstract

Based on neurobiological and evolutionary arguments, the generalized unsafety theory of stress (GUTS) hypothesizes that the stress response is a default response, and that chronic stress responses are caused by generalized unsafety (GU), independent of stressors or their cognitive representation. Three highly prevalent conditions are particularly vulnerable to becoming 'compromised' in terms of GU, and carry considerable health risks: Thus, GUTS critically revises and expands stress theory, by focusing on safety instead of threat, and by including risk factors that have hitherto not been attributed to stress.

AI snapshot

Written from the paper’s full text.

TL;DR

This theoretical paper proposes the Generalized Unsafety Theory of Stress (GUTS), arguing that the stress response is a default state that is normally tonically inhibited and only disinhibited when safety is not perceived. Chronic stress responses are therefore attributed to generalized unsafety (GU) rather than to stressors or their cognitive representation.

Key findings

As a conceptual paper, GUTS advances hypotheses rather than reporting new empirical results:

  • The stress response is framed as a default response, "not triggered, but disinhibited," normally under tonic inhibition by the prefrontal cortex (vmPFC) and reflected in high resting heart rate variability (HRV); withdrawal of that inhibition is reflected in low HRV.
  • Three "safety-compromised" domains are proposed as sources of GU: compromised bodies (obesity, low aerobic fitness, older age), compromised social network (loneliness), and compromised contexts (neutral contexts that acquire threat value through context conditioning, e.g. work stress).
  • Cited supporting evidence includes a rodent finding that high-frequency HRV correlates 0.88 with vagus nerve activity (Kuo et al., 2005), a suggested clinical cut-point of daytime RMSSD below 30 ± 5 ms marking greater risk (Jarczok et al., 2015), and work stress in the highest quartile increasing cardiovascular disease risk up to 3.6 times (Bosma et al., 1998).
  • Low HRV is reported to predict stress responses to safe/neutral stimuli, including heightened startle to neutral stimuli in men (Ruiz-Padial et al., 2003), diminished safety learning and slow extinction (Pappens et al., 2014; Wendt et al., 2015), and amplified contextual fear conditioning (Melzig et al., 2009).

Methods

This is a theoretical/review article, not an empirical study; no new data or sample are reported. The argument is built from neurobiological evidence (prefrontal inhibition of subcortical sympathoexcitatory circuits, amygdala–mPFC connectivity, HRV as a vagal index) and evolutionary reasoning (erring on the side of caution; the "smoke detector principle"). It synthesizes prior literature on predictability/unpredictability, safety learning during development, and the three compromised domains to derive testable predictions.

Limitations

The paper states that the expectation of high GU levels in compromised-body conditions "largely remains to be tested," and identifies the key testable implication of GUTS as shifting focus from threat signals to identifying key signals of safety. Evident from the text: the theory is presented without new empirical data, and much of the supporting evidence is cited from other studies rather than directly tested here; the schematic figures (Fig. 1, Fig. 2) are explicitly described as hypothetical illustrations in which "the physiological response magnitude will vary across time as a function of the extent of perceived unsafety."

Model-written summary. Check it against the paper before relying on it.

Integrity signals

Registry

Crossref · 10.1016/j.neubiorev.2016.07.019

Cites

87 of 87 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

0 of 58 cited sources checked · 0 supported · 0 flagged

  • Interpretationreasoning

    Not being able to switch off or inhibit the default stress response is not dependent on actual stressors or PC; perceived GU is sufficient.

    “A key principle of GUTS is that not being able to switch off, or inhibit the default stress response is not dependent on actual stressors or PC: perceived GU is sufficient, GU is the crucial element here.”
    Quote in the paperNot a substantial claim
  • Interpretationreasoning

    In conditions with reduced bodily capacity, namely obesity, low aerobic fitness and older age, GU is preserved due to its evolutionary survival value.

    “in conditions with reduced bodily capacity, namely obesity, low aerobic fitness and older age, GU is preserved due to its evolutionary survival value”
    Quote in the paperNot a substantial claim
  • Interpretationreasoning

    In case of specific stressors, daily contexts that are neutral by themselves may become unsafe by previously being paired with stressors, via context conditioning.

    “in case of specific stressors (e.g.work stressors), daily contexts that are neutral by themselves (e.g. office building, email at home) may become unsafe by previously being paired with stressors, via context conditioning.”
    Quote in the paperNot a substantial claim
  • Interpretationreasoning

    GU causes the default stress response to remain activated whenever the organism fails to perceive safety in situations that are not intrinsically dangerous.

    “GU causes the default stress response to remain activated, whenever our phylogenetically ancient mind-body organism fails to perceive safety in a wide range of situations in modern society that are not intrinsically dangerous.”
    Quote in the paperNot a substantial claim
  • Premisecitation

    PC may be largely unconscious but still leads to prolonged physiological stress responses.

    “PC may even be largely unconscious (Brosschot, 2010;Brosschot et al., 2010) but still leads to prolonged physiological stress responses (ibidem).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Brosschot, 2010

      Not checked in the free run.

    • cites Brosschot et al., 2010

      Not checked in the free run.

  • May combine two claims. 27
  • Classified as probably not a substantial claim. 13
  • May combine two claims.

    Premisecitation

    When safety is in doubt, subcortical inhibition by the vmPFC is decreased and amygdala activity is enhanced.

    “When safety is in doubt, subcortical inhibition by the vmPFC is decreased and amygdala activity is enhanced (Grupe and Nitschke, 2013).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Grupe and Nitschke, 2013 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S2 (checkable), S4 (based).

    Interpretationreasoning

    GUTS has far greater explanatory ability than other current stress theories.

    “The GUTS has a far greater explanatory ability than other current stress theories.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation

    PC is a core element in chronic stress and chronic anxiety.

    “PC is not only a core element chronic stress, but also in chronic anxiety”
    Quote in the paperSubstantial claim0 of 3 sources checked
    • cites Hoehn-Saric et al., 2004 source

      Not checked in the free run.

    • cites Licht et al., 2009 source

      Not checked in the free run.

    • cites Thayer et al., 1996 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S4 (based).

    Interpretationnone given

    It seems unlikely that people think incessantly about their stressors, either consciously or unconsciously.

    “It seems unlikely that people think incessantly about their stressors, either consciously or unconsciously”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation

    The stress response is mediated by subcortical areas including the amygdala, and is normally under continuous tonic inhibition by the prefrontal cortex (PFC), more specifically the ventromedial PFC (vmPFC).

    “The stress response is mediated by subcortical areas in the brain, i.e. the so called limbic structures, including the amygdala, and it is normally under continuous ('tonic') inhibition by the prefrontal cortex (PFC; Ahern et al., 2001), more specifically by the ventromedial PFC (vmPFC; Motzkin et al., 2015).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Ahern et al., 2001 source

      Not checked in the free run.

    • cites Motzkin et al., 2015 source

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    When stressors cannot clearly be predicted, the safety of the surroundings is not guaranteed, and the stress response remains disinhibited, even in the temporal absence of stressors.

    “When stressors cannot clearly be predicted, the safety of the surroundings is not guaranteed, and the stress response remains disinhibited, even in the (temporal) absence of stressors.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    Inherited psychological vulnerability, chronic prenatal maternal stress and chronic early life stress determine relatively stable, change-resistant GU.

    “Some of these 'failures' seem to determine relatively stable, change-resistant GU, such as inherited psychological vulnerability (e.g.traits such as neuroticism), chronic prenatal maternal stress and chronic early life stress.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    The world was generally less safe for people in conditions that compromise bodily fitness, and it had survival value not to inhibit the default stress response.

    “The world was generally less safe for people in these conditions, and it had survival value not to inhibit the default stress response.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    According to GUTS it is more likely that chronic early life stress prevents the brain from learning the complexities of safety contingencies, and thus from growing the neural structures subserving this knowledge.

    “However, according to GUTS it is more likely that chronic early life stress prevents the brain from learning the complexities of safety contingencies, and thus from growing the neural structures subserving this knowledge.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    When compromised, these domains carry highly prevalent major risk factors for somatic disease in modern society: in body, obesity, old age or aerobic unfitness; in social network, loneliness; daily contexts may become unsafe through contextual fear conditioning.

    “We chose these three domains not only because their 'safety failures' are potentially changeable, but also because when 'compromised' they carry highly prevalent major risk factors for somatic disease in modern society: in our body, e.g.obesity, old age or aerobic unfitness; in our social network, e.g.loneliness, and our daily contexts may become unsafe through contextual fearconditioning.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    Disinhibition of the default stress response takes little time, but is costly, and when prolonged it may lead to biological dysregulation and disease.

    “On the contrary, its disinhibition takes little time, but is costly, and when prolonged it may lead to biological dysregulation and disease.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationcitation

    The presence of safety inhibits stress-induced neural activity, in contrast to the prevalent view that such activity is induced by a lack of control.

    “The presence of safety inhibits stress-induced neural activity, in contrast to the prevalent view that such activity is induced by a lack of control (Amat et al., 2005).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Amat et al., 2005 source

      Not checked in the free run.

  • Classified as probably not a substantial claim.

    Premisecitation

    Bodily information, mediated by afferent visceral neural pathways, sometimes referred to as gut feelings, although largely unconscious, is an inseparable part of the organism's emotional state.

    “Bodily information, mediated by afferent visceral neural pathways, sometimes referred to as”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Damasio, 1991

      Not checked in the free run.

    • cites Mayer, 2011 source

      Not checked in the free run.

  • May combine two claims.

    Interpretationcitation

    At the start of life, we all start with the default stress response, but soon we learn to predict safety signals, reflected in increasing HRV.

    “At the start of our life, when we leave the safe uterine world, we all start with the default stress response, but soon we learn to predict the safety signals around us: the conditions under which hunger and thirst are satisfied, when affiliation needs are being met, reflected in an increasing HRV (Porges, 2007).”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Porges, 2007 source

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    The inhibition of the default stress response when safety is perceived may take time to be established, but it is not costly to prolong it.

    “Thus, the inhibition of the default stress response when safety is perceived, may take time to be established, but it is not costly to prolong it.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S4 (based).

    Interpretationnone given

    Organisms are intolerant for uncertainty by default.

    “organisms are intolerant for uncertainty by default.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S4 (based).

    Premisenone given

    In earlier stages of evolution, an obese body meant a serious reduction in fight/flight ability in the face of ubiquitous threats of ancestral life.

    “In earlier stages of our evolution, an obese body meant a serious reduction in fight/flight ability in the face of the ubiquitous threats of ancestral life.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    Merely having a low resting heart rate variability seems sufficient for not recognizing safety, and thus GU.

    “In fact, merely having a low resting heart rate variability (HRV) seems sufficient for not recognizing safety, and thus GU.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Premisecitation

    Scoring in the highest quartile of work stress increases cardiovascular disease risk up to 3.6 times in a dose response fashion, with follow-up times of between 4 and 12 years.

    “For example, scoring in the highest quartile of work stress increases cardiovascular disease risk up to 3.6 times (Bosma et al., 1998) in a dose response fashion (Chandola et al., 2008), with follow-up times of between 4 and 12 years.”
    Quote in the paperNot a substantial claim0 of 2 sources checked
    • cites Bosma et al., 1998 source

      Not checked in the free run.

    • cites Chandola et al., 2008 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Julius (1995) argued that autonomic imbalance as indexed by chronic low HRV in overweight and related conditions such as diabetes was due to chronic 'hypervigilance' or 'defense' responses.

    “Julius (1995) argued before that autonomic imbalance as indexed by chronic low HRV in overweight and related conditions such as diabetes was due to chronic 'hypervigilance' or 'defense' responses.”
    Quote in the paperNot a substantial claim0 of 1 sources checked
    • cites Julius (1995) source

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    Many stressor-free but stressor-related contexts may become largely unconsciously perceived as unsafe and lead to a protracted disinhibition of the default stress response.

    “In this way many stressor-free but stressorrelated contexts, in which we spend a large part of our daily life, may become -largely unconsciously -perceived as unsafe and lead to a protracted disinhibition of the default stress response.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationreasoning

    GU is the cause of the chronic stress responses in loneliness, and not stressors.

    “We argue that it is GU that is the cause of the chronic stress responses in loneliness, and not stressors, as illustrated in Fig. 1f and in Fig. 2b ('all contexts').”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Responses to the working environment can become context-conditioned because of the potential presence of bullying colleagues, or responses to the home environment in the case of marital discord.

    “For example, responses to the working environment can become context-conditioned (Maren et al., 2013) because of the potential presence of bullying colleagues, or responses to the home environment in the case of marital discord.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Maren et al., 2013 source

      Not checked in the free run.

  • May combine two claims.

    Interpretationreasoning

    GUTS is the first theory that explains the chronic low HRV shared by older age, obesity, and similar conditions by an overarching principle of generalized unsafety (GU) and the default stress response, and is more scientifically parsimonious.

    “Although in each of these very different conditions (i.e.older age, obesity, etc.) there are biological pathways that may partially explain low HRV, GUTS is the first theory that explains the chronic low HRV that they share by an overarching principle -GU and the default stress response -which is much more scientifically parsimonious.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    With such a lack of information the system falls back upon the default and therefore the default stress response is chronically active, not inhibited, as reflected in low HRV.

    “With such a lack of information the system falls back upon the default and therefore the default stress response is chronically active (i.e.not inhibited, as reflected in low HRV)”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Premisecitation

    Evidence is growing for chronic autonomic (including low HRV) and endocrine stress responses in lonely animals and humans, which likely mediates their health risk.

    “Evidence is growing for chronic autonomic (including low HRV) and endocrine stress responses in lonely animals and humans which likely mediates their health risk (ibidem; Hawkley et al., 2003).”
    Quote in the paperSubstantial claim0 of 2 sources checked
    • cites Cacioppo et al., 2015 source

      Not checked in the free run.

    • cites Hawkley et al., 2003 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Workplace bullying forms a serious health risk.

    “For example, in the case of the work stress type of bullying, which forms a serious health risk (Nielsen et al., 2012;Verkuil et al., 2015)”
    Quote in the paperNot a substantial claim0 of 2 sources checked
    • cites Nielsen et al., 2012 source

      Not checked in the free run.

    • cites Verkuil et al., 2015 source

      Not checked in the free run.

  • May combine two claims.

    Premisecitation

    Belonging to a cohesive and supporting social network or simply perceiving sufficient friendly people around appears vital.

    “Specifically, belonging to a cohesive and supporting social network or simply perceiving sufficient friendly people around appears vital (Cacioppo et al., 2015)”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Cacioppo et al., 2015 source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S2 (checkable).

    Interpretationreasoning

    In terms of GUTS, loneliness is a condition in which the social network is compromised, that is, the primary source of safety is generally unavailable.

    “In terms of GUTS, loneliness is a condition in which the social network is compromised, that is, the primary source of safety is generally unavailable.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    Stress-related contexts do not only cause prolonged disinhibition of the default response by triggering (un)conscious stress-related thinking, but also, and much more often, by failing to offer a perception of safety.

    “Thus, the stress-related contexts do not only cause prolonged disinhibition of the default response by triggering (un)conscious stress-related thinking, but also, and much more often, by failing to offer a perception of safety.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S1 (asserted), S4 (based). May combine two claims.

    Interpretationreasoning

    People suffering from any type of work stress show prolonged low HRV in work related contexts without actual stressors or PC, and these low HRV responses are due to GU.

    “GUTS's hypothesis is that people suffering from any type of work stress show prolonged low HRV in work related contexts without actual stressors or PC, and that these low HRV responses are due to GU.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim. May combine two claims.

    Premisecitation

    Julius did not generalize his explanation to other 'compromised body' conditions and did not interpret those responses in terms of default stress responses caused by GU.

    “However, he did not generalize this to other 'compromised body' conditions, and did not interpret those responses in terms of default stress responses caused by GU.”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites Julius (1995) source

      Not checked in the free run.

  • Probably not a substantial claim: may not pass S4 (based).

    Interpretationnone given

    In compromised social network (loneliness), the primary source of safety, i.e. being part of a cohesive social network, is lacking.

    “(2) 'Compromised social network', e.g.loneliness, in which the primary source of safety, i.e. being part of a cohesive social network, is lacking;”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).

    Interpretationreasoning

    A teenager fearing social exclusion has a disinhibited default stress response during the many hours of handling a smart phone or computer without these devices necessarily triggering any conscious or unconscious PC.

    “Another example is the teenager fearing social exclusion who has a disinhibited default stress response during the many hours of handling a smart phone or computer -again without these devices necessary triggering any conscious or unconscious PC.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S2 (checkable), S4 (based).

    Interpretationnone given

    Many examples exist of how GU can develop in originally safe contexts.

    “Clearly, there are many examples of how GU can develop in originally safe contexts.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    In healthy, well-adapted organisms, PFC inhibition is the norm, which is consistent with the finding that neural inhibition is non-costly and highly generalized.

    “In healthy, well-adapted organisms, PFC inhibition is the norm, which is consistent with the finding that neural inhibition is non-costly and highly generalized.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    PFC disinhibition of the default stress response is costly, and can cause chronic bodily dysregulation and somatic disease.

    “In contrast, PFC disinhibition of the default stress response, is costly, and can cause chronic bodily dysregulation and somatic disease.”
    Quote in the paperNot a substantial claim
  • May combine two claims.

    Interpretationreasoning

    Safety signals are not by definition the counterparts of the signals of threat: for living organisms the absence of threat does not equal the presence of safety.

    “Crucially, these safety signals are not by definition the counterparts of the signals of threat: for living organisms the absence of threat does not equal the presence of safety.”
    Quote in the paperSubstantial claim
38 of 38
  • The paper relies on this without support.

    The underlying psychophysiological mechanisms of the stress-disease link remain poorly specified.

    “Still, the underlying psychophysiological mechanisms remain poorly specified.”
  • The paper relies on this without support.

    It is widely agreed that chronic physiological stress responses are the crucial causal factor leading to disease.

    “It is widely agreed that chronic physiological stress responses are the crucial causal factor leading to disease”
  • The paper relies on this without support.

    The precise causes of chronic stress responses have not yet been sufficiently revealed.

    “the precise causes of these chronic responses have not yet been sufficiently revealed.”
  • The authors state this as an assumption.

    Predictability and controllability have comparable net results in terms of perceived safety and physiological responses.

    “despite conceptual, behavioral and neurobiological (Christianson et al., 2008) differences between predictability and controllability, their net results in terms of perceived safety and physiological responses can be assumed to be comparable.”
  • The paper relies on this without support.

    In loneliness, the primary source of safety is lacking, i.e. being part of a cohesive social network.

    “in loneliness the primary source of safety is lacking, i.e. being part of a cohesive social network”
  • The paper relies on this without support.

    Increasingly more people in the modern world have weak or virtually non-existent social networks.

    “However, increasingly more people in the modern world have weak or virtually non-existent social networks.”
  • The paper relies on this without support.

    Loneliness is rapidly growing in modern society presumably due to a vicious combination of 'graying' and individualization.

    “Loneliness (perceived social isolation; Cacioppo et al., 2015) is rapidly growing in modern society presumably due to a vicious combination of 'graying' and individualization.”
  • The paper relies on this without support.

    Each normal life contains multiple stressors that are unavoidable, and all of us, even those with superior coping skills and generalized perceptions of control, have to face the fact that there are always stressors on the horizon.

    “As mentioned earlier, each normal life contains multiple stressors that are unavoidable, and all of us, even those with superior coping skills and generalized perceptions of control (e.g.having high optimism or having an internal locus of control), have to face the fact that there are always stressors on the horizon.”
  • The paper relies on this without support.

    The great health risks of compromised bodies and compromised social network have not hitherto been explained in terms of chronic stress.

    “The great health risks of two of these (1 and 2) extremely common conditions have not hitherto been explained in terms of chronic stress.”
  • The paper relies on this without support.

    Many people do not succeed in restricting stress responses to episodes in which stressors actually happen, and cognitively perseverate a lot in between stressors, consciously or unconsciously, causing a lot more stress responses than are strictly necessary.

    “Obviously, many of us do not succeed in this, and cognitively perseverate a lot in between stressors, consciously or unconsciously, causing a lot more stress responses than are strictly necessary, as illustrated in Fig. 1b.”
10 of 10

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Cites

Flagged first, then by citations

Research works printed but not linked: 1

  1. Porges, 2004, Neuroception: a subconscious system for detecting threat and safety, Zero to Three: Bull. Natl. Cent. Clin. Infant Progr., 24, 19

Cited by

Sorted by citations

Authors
Brosschot, J. F., Verkuil, B., & Thayer, J. F.
Affiliations
  • Leiden University (NL)
  • The Ohio State University (US)
Corresponding author
Brosschot, Jos F.
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2017-03
Volume
74
Issue
Pt B
Pages
287-296
ISSN
0149-7634 (ISSN-L)
OpenAlex
W2502374373
Cited by
178
References
87
Citations by year
2026: 15 · 2025: 18 · 2024: 18 · 2023: 20 · 2022: 26 · 2021: 24 · 2020: 23 · 2019: 16 · 2018: 10 · 2017: 6 · 2016: 2
FWCI
1.16
Type
journal article
Language
en
Open access
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • Leiden Repository (Leiden University) (submittedVersion)
Funders
Netherlands Organisation for Health Research and Development (40-00812-98-11029)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
chronic stress, autonomic nervous system activity, contextual conditioning, obesity, aging, loneliness, social networks, occupational stressors
MeSH terms
Autonomic Nervous System, Humans, Risk Factors, Stress, Psychological

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Claims read by deepseek-v4.1-flash under definition version 3 (extract-v3) on 2026-10-09.

Classified by jev-1.13-20260917 (gold-guideline-v0.2) on 2026-10-09.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review