Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study

ABSTRACT Background and Aims This study aimed to compare neurological soft signs (NSSs) in type 1 bipolar disorder (BD), bipolar spectrum (BS) patients, and their unaffected first‐degree relatives. Methods This descriptive cross‐sectional study involved participants referred to the Psychiatric Depar...

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Main Authors: Seyed Saeed Sadr, Seyed Mehdi Samimi‐Ardestani, Yousef Semnani, Narges Adel, Faezeh Tajari, Nastaran Samani
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Health Science Reports
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Online Access:https://doi.org/10.1002/hsr2.70341
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author Seyed Saeed Sadr
Seyed Mehdi Samimi‐Ardestani
Yousef Semnani
Narges Adel
Faezeh Tajari
Nastaran Samani
author_facet Seyed Saeed Sadr
Seyed Mehdi Samimi‐Ardestani
Yousef Semnani
Narges Adel
Faezeh Tajari
Nastaran Samani
author_sort Seyed Saeed Sadr
collection DOAJ
description ABSTRACT Background and Aims This study aimed to compare neurological soft signs (NSSs) in type 1 bipolar disorder (BD), bipolar spectrum (BS) patients, and their unaffected first‐degree relatives. Methods This descriptive cross‐sectional study involved participants referred to the Psychiatric Department of Imam Hossein Hospital. Five groups (n = 25): patients with type 1 BD, patients with BS, unaffected first‐degree relatives of the two groups, and a control group were evaluated using the Neurological Evaluation Scale (NES). Results The analysis revealed that patients with bipolar I disorder had the highest NES scores, with significant group differences (F(4.120) = 10.36, p < 0.001). The Bonferroni correction identified bipolar I patients as the primary source of this difference, while other groups did not significantly differ. ANCOVA showed that age (F(1.123) = 3.92, p = 0.052) and gender (F(1.123) = 0.1, p = 0.75) had no significant influence on NES scores. However, all four NES subsets significantly contributed to the overall score, except for the sensory subset. Differences were significant between bipolar I patients and most other groups, except the BS group, which showed no significant differences from the rest. No correlation was found with age, gender, or age of disease onset. Conclusion The higher NSS severity in type I BD compared to BS and control groups highlights its potential link to the genetic and neurodevelopmental differences in BD type I. Further research is recommended.
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spelling doaj-art-e13ded2780b24d6f93f79e24a5d45dcb2025-01-29T03:42:40ZengWileyHealth Science Reports2398-88352025-01-0181n/an/a10.1002/hsr2.70341Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional StudySeyed Saeed Sadr0Seyed Mehdi Samimi‐Ardestani1Yousef Semnani2Narges Adel3Faezeh Tajari4Nastaran Samani5Department of Psychiatry Shahid Beheshti University of Medical Sciences Tehran IranBehavioral Science Research Center of Imam Hossein Hospital Shahid Beheshti University of Medical Sciences Tehran IranBehavioral Science Research Center of Imam Hossein Hospital Shahid Beheshti University of Medical Sciences Tehran IranSchool of Medicine, Behavioral Science Research Center of Imam Hossein Hospital Shahid Beheshti University of Medical Sciences Tehran IranSchool of Medicine Shahid Beheshti University of Medical Sciences Tehran IranSchool of Medicine, Behavioral Science Research Center of Imam Hossein Hospital Shahid Beheshti University of Medical Sciences Tehran IranABSTRACT Background and Aims This study aimed to compare neurological soft signs (NSSs) in type 1 bipolar disorder (BD), bipolar spectrum (BS) patients, and their unaffected first‐degree relatives. Methods This descriptive cross‐sectional study involved participants referred to the Psychiatric Department of Imam Hossein Hospital. Five groups (n = 25): patients with type 1 BD, patients with BS, unaffected first‐degree relatives of the two groups, and a control group were evaluated using the Neurological Evaluation Scale (NES). Results The analysis revealed that patients with bipolar I disorder had the highest NES scores, with significant group differences (F(4.120) = 10.36, p < 0.001). The Bonferroni correction identified bipolar I patients as the primary source of this difference, while other groups did not significantly differ. ANCOVA showed that age (F(1.123) = 3.92, p = 0.052) and gender (F(1.123) = 0.1, p = 0.75) had no significant influence on NES scores. However, all four NES subsets significantly contributed to the overall score, except for the sensory subset. Differences were significant between bipolar I patients and most other groups, except the BS group, which showed no significant differences from the rest. No correlation was found with age, gender, or age of disease onset. Conclusion The higher NSS severity in type I BD compared to BS and control groups highlights its potential link to the genetic and neurodevelopmental differences in BD type I. Further research is recommended.https://doi.org/10.1002/hsr2.70341bipolar and related disordersbipolar disorderneurologic manifestations
spellingShingle Seyed Saeed Sadr
Seyed Mehdi Samimi‐Ardestani
Yousef Semnani
Narges Adel
Faezeh Tajari
Nastaran Samani
Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
Health Science Reports
bipolar and related disorders
bipolar disorder
neurologic manifestations
title Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
title_full Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
title_fullStr Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
title_full_unstemmed Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
title_short Neurological Soft Signs in Type I Bipolar Disorder and Bipolar Spectrum Patients and Their Unaffected First‐Degree Relatives: A Cross‐Sectional Study
title_sort neurological soft signs in type i bipolar disorder and bipolar spectrum patients and their unaffected first degree relatives a cross sectional study
topic bipolar and related disorders
bipolar disorder
neurologic manifestations
url https://doi.org/10.1002/hsr2.70341
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