Evidence map›Paper›PMID 32807799›Full record

ArticleTranslational psychiatry2020

The association of PTSD symptom severity with amygdala nuclei volumes in traumatized youths.

Olga Therese Ousdal, Anne Marita Milde, Gertrud Sofie Hafstad, Erlend Hodneland, Grete Dyb, Alexander R Craven, Annika Melinder, Tor Endestad, Kenneth Hugdahl

Abstract read
In one paragraph

Article in Translational psychiatry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed, 2 syntheses or guidelines pooled it.

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  8. Sequential decreases in basolateral amygdala response to threat predict failure to recover from PTSD.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Olga Therese OusdalDepartment of Radiology, Haukeland University Hospital, Bergen, Norway. olgatherese.ousdal@gmail.com.ORCID http://orcid.org/0000-0002-0728-3141
Anne Marita MildeDepartment of Biological and Medical Psychology, University of Bergen, Bergen, Norway.
Gertrud Sofie HafstadNorwegian Centre for Violence and Traumatic Stress Studies, Oslo, Norway.
Erlend HodnelandNORCE Norwegian Research Centre AS, Bergen, Norway.
Grete DybNorwegian Centre for Violence and Traumatic Stress Studies, Oslo, Norway.
Alexander R CravenDepartment of Biological and Medical Psychology, University of Bergen, Bergen, Norway.
Annika MelinderDepartment of Child and Adolescent Mental Health, Oslo University hospital, Oslo, Norway.
Tor Endestad *Institute of Psychology, University of Oslo, Oslo, Norway.ORCID http://orcid.org/0000-0002-4403-6887
Kenneth Hugdahl *Department of Radiology, Haukeland University Hospital, Bergen, Norway.ORCID http://orcid.org/0000-0002-0008-4326

Funding

Helse Vest (Western Norway Regional Health Authority) 911780Helse Vest (Western Norway Regional Health Authority) 911813Helse Vest (Western Norway Regional Health Authority) 912045
6 · The paper itself

Abstract

The amygdala is a core component in neurobiological models of stress and stress-related pathologies, including post-traumatic stress disorder (PTSD). While numerous studies have reported increased amygdala activity following traumatic stress exposure and in PTSD, the findings regarding amygdala volume have been mixed. One reason for these mixed findings may be that the amygdala has been considered as a homogenous entity, while it in fact consists of several nuclei with unique cellular and connectivity profiles. Here, we investigated amygdala nuclei volumes of the basolateral and the centrocorticomedial complex in relation to PTSD symptom severity in 47 young survivors from the 2011 Norwegian terror attack 24-36 months post-trauma. PTSD symptoms were assessed 4-5, 14-15 and 24-36 months following the trauma. We found that increased PTSD symptom severity 24-36 months post-trauma was associated with volumetric reductions of all basolateral as well as the central and the medial nuclei. However, only the lateral nucleus was associated with longitudinal symptom development, and mediated the association between 4-5 months and 24-36 months post-trauma symptoms. The results suggest that the amygdala nuclei may be differentially associated with cross-sectional and longitudinal measures of PTSD symptom severity. As such, investigations of amygdala total volume may not provide an adequate index of the association between amygdala and stress-related mental illness.

Indexed as

Stress Disorders, Post-TraumaticAdolescentAmygdalaCross-Sectional StudiesHumansMagnetic Resonance ImagingNorway

Identifiers

PMID32807799
PMCPMC7431855

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.