Dataset Information

Extending the vulnerability-stress model of mental disorders: three-dimensional NPSR1 × environment × coping interaction study in anxiety.

ABSTRACT: BACKGROUND:The general understanding of the 'vulnerability-stress model' of mental disorders neglects the modifying impact of resilience-increasing factors such as coping ability. AIMS:Probing a conceptual framework integrating both adverse events and coping factors in an extended 'vulnerability-stress-coping model' of mental disorders, the effects of functional neuropeptide S receptor gene (NPSR1) variation (G), early adversity (E) and coping factors (C) on anxiety were addressed in a three-dimensional G × E × C model. METHOD:In two independent samples of healthy probands (discovery: n = 1403; replication: n = 630), the interaction of NPSR1 rs324981, childhood trauma (Childhood Trauma Questionnaire, CTQ) and general self-efficacy as a measure of coping ability (General Self-Efficacy Scale, GSE) on trait anxiety (State-Trait Anxiety Inventory) was investigated via hierarchical multiple regression analyses. RESULTS:In both samples, trait anxiety differed as a function of NPSR1 genotype, CTQ and GSE score (discovery: ? = 0.129, P = 3.938 × 10-8; replication: ? = 0.102, P = 0.020). In A allele carriers, the relationship between childhood trauma and anxiety was moderated by general self-efficacy: higher self-efficacy and childhood trauma resulted in low anxiety scores, and lower self-efficacy and childhood trauma in higher anxiety levels. In turn, TT homozygotes displayed increased anxiety as a function of childhood adversity unaffected by general self-efficacy. CONCLUSIONS:Functional NPSR1 variation and childhood trauma are suggested as prime moderators in the vulnerability-stress model of anxiety, further modified by the protective effect of self-efficacy. This G × E × C approach - introducing coping as an additional dimension further shaping a G × E risk constellation, thus suggesting a three-dimensional 'vulnerability-stress-coping model' of mental disorders - might inform targeted preventive or therapeutic interventions strengthening coping ability to promote resilient functioning.

SUBMITTER: Schiele MA

PROVIDER: S-EPMC7589989 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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Extending the vulnerability-stress model of mental disorders: three-dimensional <i>NPSR1</i> × environment × coping interaction study in anxiety.

Schiele Miriam A MA Herzog Katharina K Kollert Leonie L Schartner Christoph C Leehr Elisabeth J EJ Böhnlein Joscha J Repple Jonathan J Rosenkranz Karoline K Lonsdorf Tina B TB Dannlowski Udo U Zwanzger Peter P Reif Andreas A Pauli Paul P Deckert Jürgen J Domschke Katharina K

The British journal of psychiatry : the journal of mental science 20201101 5

<h4>Background</h4>The general understanding of the 'vulnerability-stress model' of mental disorders neglects the modifying impact of resilience-increasing factors such as coping ability.<h4>Aims</h4>Probing a conceptual framework integrating both adverse events and coping factors in an extended 'vulnerability-stress-coping model' of mental disorders, the effects of functional neuropeptide S receptor gene (NPSR1) variation (G), early adversity (E) and coping factors (C) on anxiety were addressed ...[more]

PMID: 32321595

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Project description:Judging the poses, sizes, and shapes of objects accurately is necessary for organisms and machines to operate successfully in the world. Retinal images of three-dimensional objects are mapped by the rules of projective geometry and preserve the invariants of that geometry. Since Plato, it has been debated whether geometry is innate to the human brain, and Poincare and Einstein thought it worth examining whether formal geometry arises from experience with the world. We examine if humans have learned to exploit projective geometry to estimate sizes and aspects of three-dimensional shape that are related to relative lengths and aspect ratios. Numerous studies have examined size invariance as a function of physical distance, which changes scale on the retina. However, it is surprising that possible constancy or inconstancy of relative size seems not to have been investigated for object pose, which changes retinal image size differently along different axes. We show systematic underestimation of length for extents pointing toward or away from the observer, both for static objects and dynamically rotating objects. Observers do correct for projected shortening according to the optimal back-transform, obtained by inverting the projection function, but the correction is inadequate by a multiplicative factor. The clue is provided by the greater underestimation for longer objects, and the observation that they seem to be more slanted toward the observer. Adding a multiplicative factor for perceived slant in the back-transform model provides good fits to the corrections used by observers. We quantify the slant illusion with two different slant matching measurements, and use a dynamic demonstration to show that the slant illusion perceptually dominates length nonrigidity. In biological and mechanical objects, distortions of shape are manifold, and changes in aspect ratio and relative limb sizes are functionally important. Our model shows that observers try to retain invariance of these aspects of shape to three-dimensional rotation by correcting retinal image distortions due to perspective projection, but the corrections can fall short. We discuss how these results imply that humans have internalized particular aspects of projective geometry through evolution or learning, and if humans assume that images are preserving the continuity, collinearity, and convergence invariances of projective geometry, that would simply explain why illusions such as Ames' chair appear cohesive despite being a projection of disjointed elements, and thus supplement the generic viewpoint assumption.

Project description:BACKGROUND:People with pre-existing mental health conditions may be more susceptible to stressors associated with COVID-19 relative to the general population; however, no studies have assessed whether susceptibility differs between classes of mental health disorders. We assessed COVID-19-related stress, self-isolation stressors, and coping in those with a primary anxiety-related disorder diagnosis, a primary mood disorder diagnosis, and no mental health disorder. METHODS:Adults from a population-representative sample from the United States and Canada who reported current (past year) anxiety-related (n = 700) or mood (n = 368) disorders were compared to a random sample of respondents who did not report a current mental health diagnosis (n = 500) on COVID-19-related stress, self-isolation stress, and coping. RESULTS:The anxiety-related disorders group exhibited higher COVID Stress Scales total scores and higher scores on its fears about danger and contamination, socioeconomic consequences, xenophobia, and traumatic stress symptoms scales than the other groups. The mood disorders group had higher scores on the traumatic stress symptoms and socioeconomic consequences scales than those with no current mental disorder. Those with current anxiety-related or mood disorders were more likely to voluntarily self-isolate and were more likely to report greater self-isolation stressors and distress than those without a mental health disorder. Yet, there were no major differences in perceived effectiveness of coping strategies across groups. CONCLUSION:People with anxiety-related or mood disorders were more negatively affected by COVID-19 compared to those with no mental health disorder; however, adding to psychological burden, those with anxiety-related disorders reported greater fears about danger and contamination, socioeconomic consequences, xenophobia, and traumatic stress symptoms than the other groups. These findings suggest the need for tailoring COVID-19-related mental health interventions to meet the specific needs of people with pre-existing mental health conditions.

Dataset Information

Extending the vulnerability-stress model of mental disorders: three-dimensional NPSR1 × environment × coping interaction study in anxiety.

Publications

Extending the vulnerability-stress model of mental disorders: three-dimensional <i>NPSR1</i> × environment × coping interaction study in anxiety.

Similar Datasets

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