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Objective: To systematically evaluate the effect of exercise intervention and its components on repetitive stereotyped behaviors in patients with autism spectrum disorder (ASD).
Methods: A computer-based search was conducted in PubMed, Web of Science, The Cochrane Library, and EMbase databases for randomized controlled trials (RCTs) related to exercise interventions for repetitive stereotyped behaviors in patients with ASD. The search covered all available data from the inception of each database until January 2025. Meta-analysis was performed using RevMan 5.4 software, methodological quality was assessed using the ROB scale, and publication bias was evaluated using Stata 17.0 software.
Results: A total of 20 RCTs were included, comprising 671 patients with ASD. The meta-analysis results showed that exercise intervention had a positive effect on repetitive stereotyped behaviors in patients with ASD (SMD = -0.37, 95% CI: -0.52, -0.21, < 0.05). Subgroup analysis results indicated that ball sports (SMD = -0.72, 95% CI: -1.09, -0.36, < 0.001), longer duration (SMD = -0.55, 95% CI: -0.98, -0.12, < 0.05), moderate to high frequency (SMD = -0.74, 95% CI: -1.05, -0.44, < 0.001), longer time (SMD = -0.84, 95% CI: -1.26, -0.42, < 0.001), and group participation (SMD = -0.48, 95% CI: -0.74, -0.21, p < 0.001) might show optimal dose-response relationships.
Conclusion: Exercise intervention can effectively improve repetitive stereotyped behaviors in patients with ASD. The components of exercise intervention show a dose-response effect, with the best results likely occurring from ball sports, medium to long durations, moderate to high frequency, longer time, and group participation.
Systematic Review Registration: The protocol for this meta-analysis has been registered in INPLASY, with the registration number INPLASY202520074.
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http://dx.doi.org/10.3389/fpsyg.2025.1579345 | DOI Listing |
Front Hum Neurosci
August 2025
Center for Drug Discovery and Development Sciences, Research Organization of Science and Technology, Ritsumeikan University, Kyoto, Japan.
Emerging evidence suggests that striatal striosomes play a key role in the dopaminergic regulation of motor and mental action selection processes, with impairments leading to repetitive stereotyped movements (dystonias), thoughts (obsessions), and behaviors (compulsions). To explore this hypothesis therapeutically, we investigated how idiopathic dystonia and obsessive-compulsive disorder (OCD) respond to a novel dopaminergic treatment using low-dose L-DOPA combined with chlorpromazine (CPZ), which can primarily enhance striosomal D dopamine receptor (DR) signaling in humans. The therapeutic effects of L-DOPA/CPZ were assessed over 1 year in 26 idiopathic dystonia patients (mean age, 55.
View Article and Find Full Text PDFMol Psychiatry
September 2025
Aix-Marseille Univ, CNRS, CRPN, UMR7077, Marseille, France.
Repetitive behaviors are cardinal features of many brain disorders, including autism spectrum disorder (ASD). We previously associated dysfunction of striatal cholinergic interneurons (SCINs) with repetitive behaviors in a mouse model based on conditional deletion of the ASD-related gene Tshz3 in cholinergic neurons (Chat-cKO). Here, we provide evidence linking SCIN abnormalities to the unique organization of the striatum into striosome and matrix compartments, whose imbalances are implicated in several pathological conditions.
View Article and Find Full Text PDFBiology (Basel)
August 2025
Department of Psychiatry, Faculty of Medicine, Medical University of Białystok, 15-272 Białystok, Poland.
: Autism spectrum disorder is a psychological condition characterized by symptoms such as repetitive stereotypic behaviors and social interaction/communication difficulties. It is known that omega-3 deficiency during brain maturation may cause learning disabilities and motor impairment. Therefore, we examined the effects of omega-3 treatment during gestation and/or lactation on autism-related behavioral and molecular deficits in a valproic acid (VPA)-rat model.
View Article and Find Full Text PDFFront Immunol
August 2025
Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, China.
Introduction: Prenatal exposure to valproic acid (VPA) is a recognized risk factor for autism spectrum disorder (ASD)-like phenotypes, yet the mechanisms linking gut microbiota dysbiosis to neurodevelopmental impairments remain poorly understood. Emerging evidence implicates the microbiota-gut-brain axis as a critical mediator of neuroinflammation and cognitive deficits, but causal pathways in VPA-induced ASD models require systematic exploration. This study investigates how prenatal VPA exposure reshapes gut microbiota composition, exacerbates neuroinflammatory responses, and drives cognitive dysfunction through the microbiota-gut-brain axis in C57BL/6 mouse offspring.
View Article and Find Full Text PDFFront Neurosci
August 2025
State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, Guizhou Medical University, Guiyang, Guizhou, China.
Purpose: Autism spectrum disorder (ASD) is a neurodevelopmental condition with complex etiological factors, including genetic predisposition and environmental influences. In particular, exposure to environmental stressors in utero has increasingly been implicated in disrupting fetal neurodevelopment and potentially contributing to the pathogenesis of ASD in offspring. The aim of this study was to investigate the therapeutic potential of oxytocin and to elucidate its underlying molecular mechanisms in a valproic acid (VPA) exposure-induced rat model of ASD.
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