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Hippocampal subfield and amygdala nuclei volumes in schizophrenia patients with a history of violence.

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Title: Hippocampal subfield and amygdala nuclei volumes in schizophrenia patients with a history of violence.
Authors: Tesli, Natalia (AUTHOR), van der Meer, Dennis (AUTHOR), Rokicki, Jaroslav (AUTHOR), Storvestre, Guttorm (AUTHOR), Røsæg, Cato (AUTHOR), Jensen, Arvid (AUTHOR), Hjell, Gabriela (AUTHOR), Bell, Christina (AUTHOR), Fischer-Vieler, Thomas (AUTHOR), Tesli, Martin (AUTHOR), Andreassen, Ole A. (AUTHOR), Melle, Ingrid (AUTHOR), Agartz, Ingrid (AUTHOR), Haukvik, Unn K. (AUTHOR)
Source: European Archives of Psychiatry & Clinical Neuroscience. Sep2020, Vol. 270 Issue 6, p771-782. 12p. 1 Color Photograph, 2 Charts, 1 Graph.
Subjects: Basal ganglia, People with schizophrenia, Risk of violence, Violence, Antipsychotic agents, Neuroleptic malignant syndrome
Abstract: Schizophrenia (SCZ) is associated with an increased risk of violence compared to the general population. Previous studies have indicated smaller hippocampal and amygdala volumes in violent than non-violent psychotic patients. However, little is known about volumetric differences at the subdivision level of these structures. In the present study, hippocampal subfields and amygdala nuclei volumes were estimated with FreeSurfer from 3 T MRI of SCZ patients with (SCZ-V, n = 24) and without (SCZ-NV, n = 51) a history of severe violence and 90 healthy controls (HC). Volumetric differences between groups were explored with a general linear model covarying for confounders, in addition to follow-up analyses in patient groups controlling for clinical characteristics such as antipsychotic medication, duration of illness and illicit substance use. SCZ-V had smaller total hippocampal volume and smaller CA1, HATA, fimbria, and molecular layer of DG volumes compared to HC. Total amygdala volume together with basal nucleus, accessory basal nucleus, CTA, and paralaminar nucleus volumes were smaller in SCZ-V compared to HC. In SCZ-NV, compared to HC, the observed smaller volumes were limited to basal and paralaminar nucleus. There were no significant differences in hippocampal subfield and amygdala nuclei volumes between SCZ-V and SCZ-NV. Follow-up analyses showed that the results in patient groups were not affected by clinical characteristics. The results suggest that smaller hippocampal subfield and amygdala nuclei volumes may be relevant to violence risk in SCZ. However, the neurobiological signature of violence in SCZ should be further investigated in larger cohorts. [ABSTRACT FROM AUTHOR]
Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Hippocampal subfield and amygdala nuclei volumes in schizophrenia patients with a history of violence.
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  Data: <searchLink fieldCode="AR" term="%22Tesli%2C+Natalia%22">Tesli, Natalia</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22van+der+Meer%2C+Dennis%22">van der Meer, Dennis</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rokicki%2C+Jaroslav%22">Rokicki, Jaroslav</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Storvestre%2C+Guttorm%22">Storvestre, Guttorm</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Røsæg%2C+Cato%22">Røsæg, Cato</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jensen%2C+Arvid%22">Jensen, Arvid</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hjell%2C+Gabriela%22">Hjell, Gabriela</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bell%2C+Christina%22">Bell, Christina</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fischer-Vieler%2C+Thomas%22">Fischer-Vieler, Thomas</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tesli%2C+Martin%22">Tesli, Martin</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Andreassen%2C+Ole+A%2E%22">Andreassen, Ole A.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Melle%2C+Ingrid%22">Melle, Ingrid</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Agartz%2C+Ingrid%22">Agartz, Ingrid</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Haukvik%2C+Unn+K%2E%22">Haukvik, Unn K.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Archives+of+Psychiatry+%26+Clinical+Neuroscience%22">European Archives of Psychiatry & Clinical Neuroscience</searchLink>. Sep2020, Vol. 270 Issue 6, p771-782. 12p. 1 Color Photograph, 2 Charts, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Basal+ganglia%22">Basal ganglia</searchLink><br /><searchLink fieldCode="DE" term="%22People+with+schizophrenia%22">People with schizophrenia</searchLink><br /><searchLink fieldCode="DE" term="%22Risk+of+violence%22">Risk of violence</searchLink><br /><searchLink fieldCode="DE" term="%22Violence%22">Violence</searchLink><br /><searchLink fieldCode="DE" term="%22Antipsychotic+agents%22">Antipsychotic agents</searchLink><br /><searchLink fieldCode="DE" term="%22Neuroleptic+malignant+syndrome%22">Neuroleptic malignant syndrome</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Schizophrenia (SCZ) is associated with an increased risk of violence compared to the general population. Previous studies have indicated smaller hippocampal and amygdala volumes in violent than non-violent psychotic patients. However, little is known about volumetric differences at the subdivision level of these structures. In the present study, hippocampal subfields and amygdala nuclei volumes were estimated with FreeSurfer from 3 T MRI of SCZ patients with (SCZ-V, n = 24) and without (SCZ-NV, n = 51) a history of severe violence and 90 healthy controls (HC). Volumetric differences between groups were explored with a general linear model covarying for confounders, in addition to follow-up analyses in patient groups controlling for clinical characteristics such as antipsychotic medication, duration of illness and illicit substance use. SCZ-V had smaller total hippocampal volume and smaller CA1, HATA, fimbria, and molecular layer of DG volumes compared to HC. Total amygdala volume together with basal nucleus, accessory basal nucleus, CTA, and paralaminar nucleus volumes were smaller in SCZ-V compared to HC. In SCZ-NV, compared to HC, the observed smaller volumes were limited to basal and paralaminar nucleus. There were no significant differences in hippocampal subfield and amygdala nuclei volumes between SCZ-V and SCZ-NV. Follow-up analyses showed that the results in patient groups were not affected by clinical characteristics. The results suggest that smaller hippocampal subfield and amygdala nuclei volumes may be relevant to violence risk in SCZ. However, the neurobiological signature of violence in SCZ should be further investigated in larger cohorts. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Archives of Psychiatry & Clinical Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00406-020-01098-y
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      – Code: eng
        Text: English
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      – SubjectFull: Basal ganglia
        Type: general
      – SubjectFull: People with schizophrenia
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      – SubjectFull: Risk of violence
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      – SubjectFull: Violence
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      – SubjectFull: Antipsychotic agents
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      – SubjectFull: Neuroleptic malignant syndrome
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              Text: Sep2020
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