Autism

FMR1 Gene Therapy Reduced Seizures and Gamma EEG Power in Fragile X Mice

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FMR1 Gene Therapy Reduced Seizures and Gamma EEG Power in Fragile X Mice

TL;DR: A 2026 mouse study in Gene Therapy used an adeno-associated virus 9 (AAV9) vector to deliver human FMR1 and reduced sound-triggered seizures, excessive digging, and gamma-frequency electroencephalography (EEG) power in selected dose and route groups. The outcomes came from separate experiments, and high-dose intravenous treatment without immunosuppression caused excess deaths. Key Findings Adolescent seizure …

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Foster Care Improved Adaptive Functioning After Severe Early Deprivation

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Foster Care Improved Adaptive Functioning After Severe Early Deprivation

TL;DR: A 2026 Developmental Psychology randomized-trial follow-up found that children assigned to high-quality foster care after severe early deprivation had better adaptive functioning at age 18, especially in communication and socialization, than children who remained in care as usual. Key Findings Trial follow-up: The analysis used the Bucharest Early Intervention Project, a randomized trial comparing …

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Parent-Implemented Autism Intervention Helped Chinese Preschoolers

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Parent-Implemented Autism Intervention Helped Chinese Preschoolers

TL;DR: A 2026 randomized trial in Molecular Autism found that a culturally adapted parent-implemented social communication program was linked to language, social-functioning, parent self-efficacy, and stress gains in Chinese-speaking autistic preschoolers, with no consistent advantage for therapist-led online groups over self-study across most outcomes. Key Findings Chinese preschoolers randomized: 112 autistic children aged 24-60 months …

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Care Robots Reduced Neuropsychiatric Symptoms but Evidence Stayed Low Certainty

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Care Robots Reduced Neuropsychiatric Symptoms but Evidence Stayed Low Certainty

TL;DR: A 2026 systematic review and meta-analysis in Journal of Medical Internet Research found that care robots showed a low-certainty reduction in neuropsychiatric symptoms, but six other pooled outcome domains did not reach statistical significance. Key Findings 34 randomized trials: The review included 34 randomized controlled studies across 17 countries, with 2,476 participants. 20 meta-analyzed …

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Infant Music EEG Responses Increased by 3 Months, Movement at 12 Months

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Infant Music EEG Responses Increased by 3 Months, Movement at 12 Months

TL;DR: A 2026 study in eLife found that infants’ brains responded more strongly to structured children’s music than shuffled music by 3 months, while clearer music-linked movement patterns appeared mainly by 12 months. Key Findings 79 infants tested: Researchers recorded electroencephalography (EEG), a scalp measure of brain electrical activity, and video-based body movement in 3 …

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Migrating Developing Neurons Generated Repairable DNA Breaks

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Migrating Developing Neurons Generated Repairable DNA Breaks

TL;DR: A 2026 mouse and cell study in Nature found that developing neurons can generate DNA double-strand breaks while moving through narrow brain tissue during migration, then usually repair those breaks without cell death. Key Findings Developing neurons: The study tracked cerebellar granule neurons, Purkinje cells, and cortical neurons during normal brain development. Confined migration: …

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Lineage-Based Model Explained Scalable Brain Development Position Signals

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Lineage-Based Model Explained Scalable Brain Development Position Signals

TL;DR: A 2026 Neuron study proposed that developing brain cells can gain positional information partly from lineage, because cells descended from the same progenitor tend to stay near one another as tissue grows. Key Findings Lineage as position signal: The model argues that shared ancestry can help cells infer where they are without relying only …

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Astrocyte Glucocorticoid Receptor Signaling Restricted Visual Cortex Plasticity

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Astrocyte Glucocorticoid Receptor Signaling Restricted Visual Cortex Plasticity

TL;DR: A 2026 mouse study in Nature found that the astrocyte glucocorticoid receptor pathway helped mature visual cortex circuitry and restricted ocular dominance plasticity, linking light exposure, stress-hormone input, and astrocyte-driven circuit closure. Key Findings 70,907 cells profiled: SHARE-seq mapped RNA expression and chromatin accessibility across visual cortex development in normal-reared and dark-reared mice. Five …

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Autism fMRI Subtypes Linked to Synaptic and Immune Pathways

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Autism fMRI Subtypes Linked to Synaptic and Immune Pathways

TL;DR: A 2026 Nature Neuroscience study used cross-species functional MRI (fMRI) connectivity to identify hypoconnectivity and hyperconnectivity autism subtypes linked to different synaptic and immune-related biological pathways. Key Findings 20 mouse models: Autism-relevant mouse models clustered into 11 hypoconnectivity-dominant and 9 hyperconnectivity-dominant fMRI patterns. 1,976 human scans: The human dataset included 940 autistic individuals and …

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Nucleus Accumbens-Ventral Pallidum Pathway Regulated Rat Social Play

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Nucleus Accumbens-Ventral Pallidum Pathway Regulated Rat Social Play

TL;DR: A 2026 rat study in Brain Structure and Function found that ventral pallidum activity supports juvenile social play, while activating inhibitory nucleus accumbens inputs to the ventral pallidum reduced play behavior in both male and female rats. Key Findings Ventral pallidum inactivation: Bilateral muscimol microinfusion into the ventral pallidum reduced juvenile rat social play, …

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