Clin Psychopharmacol Neurosci.  2022 Nov;20(4):621-634. 10.9758/cpn.2022.20.4.621.

Cerebellar Gray Matter Volume and its Role in Executive Function, and Attention: Sex Differences by Age in Adolescents

Affiliations
  • 1Department of Psychiatry, Eunpyeong St. Mary’s Hospital, The Catholic University of Korea, Seoul, Korea
  • 2Department of Biomedical Informatics, Ajou University School of Medicine, Suwon, Korea
  • 3Office of Biostatistics, Ajou Research Institute for Innovative Medicine, Ajou University Medical Center, Suwon, Korea
  • 4Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Seoul, Korea
  • 5Department of Research Planning, National Center for Mental Health, Seoul, Korea

Abstract


Objective
This research measures the regional GMV (rGMV) of the cerebellum, attention, Executive Function (EF) and we aimed to identify their correlation and sex differences in children and adolescents.
Methods
Subjects comprised 114 children (male = 62, female = 52, 12.44 ± 2.99 years old) from South Korea. Participants were divided into three groups by age (age 6−9, 10−13, and 14−17). The Stroop Color and Word Test (SCWT), Wisconsin Card Sorting Test (WCST), and Advanced Test of Attention (ATA) were used to estimate executive function. Magnetic resonance imaging (MRI) images were analyzed with Regional Voxel-Based Morphometry Analysis.
Results
The correlations between cerebellar rGMV and SCWT, WCST, and ATA subcategories showed difference by age and sex. In 6−9 age group, girls showed more overall correlations with cerebellar regions than boys, in WCST Categories Completed and ATA results. In age 10−13 group, more regions of cerebellum corresponded to SCWT subcategories in girls. Nevertheless, more correlation between cerebellar rGMV, WCST subcategories and some ATA subtests were observed in boys in the same age group. In the adolescent group, aged 14−17, boys showed more correlation with cerebellar rGMV, while girls showed little correlation.
Conclusion
This study highlights that sex-different cerebellum maturation in adolescence might be correlated with EF and attention. These results provides evidence that cerebellum modulates higher cognitive functioning during child development.

Keyword

Adolescent; Child; Cerebellum; Executive function; Attention; Magnetic resonance imaging
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