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Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
Published on: September 12, 2011
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Understanding autism: Causes, diagnosis, and advancing therapies
Min Wang1, Xiaozhuang Zhang1, Liyan Zhong1
1Hainan Women and Children's Medical Center, Hainan Medical University, Haikou 570206, PR China.
Brain Research Bulletin
|May 31, 2025
Summary
Autism Spectrum Disorder (ASD) is a growing public health concern influenced by genetics and environment. Early detection and targeted therapies are advancing with new biomarkers and treatment strategies.
Area of Science:
- Neurodevelopmental Disorders
- Public Health
- Genetics and Environment
Background:
- Autism Spectrum Disorder (ASD) is a complex neurodevelopmental condition characterized by challenges in social communication, language, and repetitive behaviors.
- Its increasing prevalence highlights its significance as a global public health issue.
- While genetic factors are implicated, a substantial portion of ASD cases lack clear genetic origins, underscoring the role of environmental influences.
Purpose of the Study:
- To review current understanding of Autism Spectrum Disorder (ASD).
- To explore epidemiological trends, genetic and environmental factors, diagnostic biomarkers, and therapeutic approaches for ASD.
- To highlight the need for early detection and targeted interventions.
Main Methods:
- Comprehensive literature review of epidemiological trends, genetic mechanisms, and environmental factors in ASD.
- Analysis of current diagnostic methods and the search for novel molecular biomarkers.
- Examination of emerging therapeutic strategies, including digital therapies and pharmacological interventions.
Main Results:
- ASD etiology involves a complex interplay of genetic and early-life environmental factors, such as advanced parental age, maternal diabetes, infections, and pollution.
- Current diagnostic reliance on behavioral assessments is limited; however, potential biomarkers from neuroimaging, EEG, eye-tracking, digital analytics, omics profiles, and gut microbiota are promising.
- Various therapeutic avenues are under investigation, including digital therapies, non-invasive brain stimulation, and targeted pharmacological agents.
Conclusions:
- ASD is a multifactorial condition requiring a comprehensive approach integrating genetic, environmental, and biomarker research.
- Advancements in identifying diagnostic biomarkers and therapeutic targets offer hope for improved early detection and personalized treatment strategies for ASD.
- Continued research into environmental influences and molecular mechanisms is crucial for mitigating the impact of ASD.
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