Cargando…

F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS

BACKGROUND: Negative symptoms are a core feature of schizophrenia and also found in healthy individuals in subclinical forms. According to the current literature the two negative symptom domains, apathy and diminished expression may have different underlying neural mechanisms. Previous observations...

Descripción completa

Detalles Bibliográficos
Autores principales: Stepien, Marta, Manoliu, Andrei, Kubli, Roman, Schneider, Karoline, Tobler, Philippe N, Seifritz, Erich, Herdener, Marcus, Kaiser, Stefan, Kirschner, Matthias
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5887843/
http://dx.doi.org/10.1093/schbul/sby017.695
_version_ 1783312396667846656
author Stepien, Marta
Manoliu, Andrei
Kubli, Roman
Schneider, Karoline
Tobler, Philippe N
Seifritz, Erich
Herdener, Marcus
Kaiser, Stefan
Kirschner, Matthias
author_facet Stepien, Marta
Manoliu, Andrei
Kubli, Roman
Schneider, Karoline
Tobler, Philippe N
Seifritz, Erich
Herdener, Marcus
Kaiser, Stefan
Kirschner, Matthias
author_sort Stepien, Marta
collection PubMed
description BACKGROUND: Negative symptoms are a core feature of schizophrenia and also found in healthy individuals in subclinical forms. According to the current literature the two negative symptom domains, apathy and diminished expression may have different underlying neural mechanisms. Previous observations suggest that striatal dysfunction is associated with apathy in schizophrenia. However, it is unclear whether apathy is specifically related to ventral or dorsal striatal alterations. Here, we investigated striatal dysfunction in patients with schizophrenia and a non-clinical population, to determine whether it is a relevant neural correlate for apathy. METHODS: Chronic schizophrenia patients (n= 16) and healthy controls (n=23) underwent an event- related functional MRI, while performing a variant of the Monetary Incentive Delay Task. The two negative symptom domains were assessed in both groups using the Brief Negative Symptoms Scale. RESULTS: In schizophrenia patients, we saw a strong negative correlation between apathy and ventral and dorsal striatal activation during reward anticipation. In contrast, there was no correlation with diminished expression. In healthy controls, global negative symptoms were correlated with decreased dorsal striatal activity. DISCUSSION: This study replicates our previous findings of a correlation between ventral striatal activity and apathy but not diminished expression in chronic schizophrenia patients. The association between apathy and reduced dorsal striatal activity suggests that impaired action-outcome selection is involved in the pathophysiology of motivational deficits. Finally, our findings in healthy controls support the idea that striatal alterations are a plausible neural correlate for negative symptoms in both a clinical and a subclinical context.
format Online
Article
Text
id pubmed-5887843
institution National Center for Biotechnology Information
language English
publishDate 2018
publisher Oxford University Press
record_format MEDLINE/PubMed
spelling pubmed-58878432018-04-11 F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS Stepien, Marta Manoliu, Andrei Kubli, Roman Schneider, Karoline Tobler, Philippe N Seifritz, Erich Herdener, Marcus Kaiser, Stefan Kirschner, Matthias Schizophr Bull Abstracts BACKGROUND: Negative symptoms are a core feature of schizophrenia and also found in healthy individuals in subclinical forms. According to the current literature the two negative symptom domains, apathy and diminished expression may have different underlying neural mechanisms. Previous observations suggest that striatal dysfunction is associated with apathy in schizophrenia. However, it is unclear whether apathy is specifically related to ventral or dorsal striatal alterations. Here, we investigated striatal dysfunction in patients with schizophrenia and a non-clinical population, to determine whether it is a relevant neural correlate for apathy. METHODS: Chronic schizophrenia patients (n= 16) and healthy controls (n=23) underwent an event- related functional MRI, while performing a variant of the Monetary Incentive Delay Task. The two negative symptom domains were assessed in both groups using the Brief Negative Symptoms Scale. RESULTS: In schizophrenia patients, we saw a strong negative correlation between apathy and ventral and dorsal striatal activation during reward anticipation. In contrast, there was no correlation with diminished expression. In healthy controls, global negative symptoms were correlated with decreased dorsal striatal activity. DISCUSSION: This study replicates our previous findings of a correlation between ventral striatal activity and apathy but not diminished expression in chronic schizophrenia patients. The association between apathy and reduced dorsal striatal activity suggests that impaired action-outcome selection is involved in the pathophysiology of motivational deficits. Finally, our findings in healthy controls support the idea that striatal alterations are a plausible neural correlate for negative symptoms in both a clinical and a subclinical context. Oxford University Press 2018-04 2018-04-01 /pmc/articles/PMC5887843/ http://dx.doi.org/10.1093/schbul/sby017.695 Text en © Maryland Psychiatric Research Center 2018. http://creativecommons.org/licenses/by/4.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Abstracts
Stepien, Marta
Manoliu, Andrei
Kubli, Roman
Schneider, Karoline
Tobler, Philippe N
Seifritz, Erich
Herdener, Marcus
Kaiser, Stefan
Kirschner, Matthias
F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title_full F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title_fullStr F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title_full_unstemmed F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title_short F164. VENTRAL AND DORSAL STRIATAL DYSFUNCTION DURING REWARD ANTICIPATION IS ASSOCIATED WITH NEGATIVE SYMPTOMS IN PATIENTS WITH SCHIZOPHRENIA AND HEALTHY INDIVIDUALS
title_sort f164. ventral and dorsal striatal dysfunction during reward anticipation is associated with negative symptoms in patients with schizophrenia and healthy individuals
topic Abstracts
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5887843/
http://dx.doi.org/10.1093/schbul/sby017.695
work_keys_str_mv AT stepienmarta f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT manoliuandrei f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT kubliroman f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT schneiderkaroline f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT toblerphilippen f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT seifritzerich f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT herdenermarcus f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT kaiserstefan f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals
AT kirschnermatthias f164ventralanddorsalstriataldysfunctionduringrewardanticipationisassociatedwithnegativesymptomsinpatientswithschizophreniaandhealthyindividuals