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Brain Development

All articles tagged with #brain development

Early-Life Sugar Restriction Linked to Lower Dementia Risk Later in Life
health2 hours ago

Early-Life Sugar Restriction Linked to Lower Dementia Risk Later in Life

A npj Aging study using WWII UK sugar-ration data links lower sugar intake during the first 1,000 days of life (conception to age 2) with reduced risks of dementia, Alzheimer’s disease, depression, and anxiety decades later. Analyzing 60,394 UK Biobank participants born 1951–1956, researchers found those born during sugar rationing had 27% lower dementia risk and 46% lower Alzheimer’s risk, with stronger effects if restriction occurred after birth. Brain scans showed younger-appearing brains and larger hippocampal and thalamic volumes. The study is observational and cannot prove causation, and the findings may not generalize to all groups. Authors caution against strict sugar limitations in pregnancy or childhood but suggest reduced early-life sugar could be a long-term brain-health investment.

via AOL.com|
#alzheimers-disease#brain-development#dementia
Organoid timing gap challenges lab-grown minibrains as brain models
science5 days ago

Organoid timing gap challenges lab-grown minibrains as brain models

New research shows lab-grown brain organoids don’t mirror real brain development timing. In mouse-derived organoids, radial glial progenitors sometimes produce neurons too early, while later-stage progenitors overproduce, and about a third become fate-restricted to a single neuron type. The organoids also lack in vivo signals like blood vessels and extracellular cues that may synchronize development. This timing mismatch could limit organoids’ usefulness for modeling brain development and disease, prompting researchers to identify missing signals and test human-cell organoids to better mimic real brains.

via Live Science|
#brain-development#minibrains#neurodevelopment
Early-Life Sugar Restraint Linked to Lower Dementia Risk, UK Study Finds
science27 days ago

Early-Life Sugar Restraint Linked to Lower Dementia Risk, UK Study Finds

A UK Biobank analysis of 60,394 people born 1951–1956 found that those whose first 1,000 days overlapped with sugar rationing had a 27% lower risk of dementia and a 46% lower risk of Alzheimer's disease, along with an 11% lower risk of depression and a 20% lower risk of anxiety. MRI data showed younger-appearing brains and larger hippocampus/thalamus volumes in the sugar-restricted group. While not proving causation, the researchers argue that nutrition during the critical first 1,000 days may program long-term brain health, though findings are observational and may not generalize widely.

via ScienceAlert|
#alzheimers-disease#brain-development#dementia
Poverty's Brain Footprint: Socioeconomic Status Shapes Developing Minds More Than Expected
science2 months ago

Poverty's Brain Footprint: Socioeconomic Status Shapes Developing Minds More Than Expected

Analysis of nearly 12,000 children reveals socioeconomic status accounts for about 16% of variability in brain structure and function—outpacing IQ and parenting. SES-linked brain patterns cluster in sensory-motor networks and appear driven by daily tiredness and stress linked to sleep, and when SES is accounted for, many brain–IQ associations vanish. The differences are modifiable: improving sleep and reducing chronic family stress could reshape neurodevelopment, underscoring the potential of community and policy interventions.

via Neuroscience News|
#brain-development#mri-neuroimaging#science
Criticome: a lifelong brain-development window you may be altering with screen time
health2 months ago

Criticome: a lifelong brain-development window you may be altering with screen time

A new review introduces the term criticome to describe a development window from birth to about age 25 in which social, motor, and sensory experiences can profoundly shape adulthood. The study notes that highly stimulating screen time may crowd out important real-world interactions and activities, potentially impacting language development and brain regions like Broca’s area, and it may contribute to childhood obesity. Experts advise reducing screen time and boosting human interaction, with a gradual plan and involvement from families, while acknowledging that decades of research are needed to fully answer these questions.

via CNN|
#brain-development#childhood-development#health
Giggles as Clues to the Developing Baby Brain
health2 months ago

Giggles as Clues to the Developing Baby Brain

New research suggests infant laughter is a meaningful marker of healthy brain development and social bonding: involuntary laughter appears around 3–4 months and voluntary laughter emerges by about 6 months as motor and speech areas mature. Shared laughter boosts oxytocin and dopamine, supports regulation of stress, and helps clinicians gauge typical development. Parental stress and tech-heavy distractions can dampen these interactions, highlighting the need for supportive, distraction-free environments for families.

via Medscape|
#brain-development#dopamine#health
Giggles as Brain Builders: Laughter Reshapes Early Learning and Resilience
science3 months ago

Giggles as Brain Builders: Laughter Reshapes Early Learning and Resilience

New research argues laughter is a complex brain mechanism that precedes speech, lowers stress hormones, increases happiness chemicals, and drives neuroplastic changes across a distributed brain network. When shared between parent and child, it boosts oxytocin and neural synchrony, strengthening emotional bonds and reducing burnout, while also making learning easier by lowering cognitive load. The findings suggest humor should be a central tool in early education and parenting to support resilience and lasting memory.

via Neuroscience News|
#brain-development#cognitive-load#laughter
Brain maturation patterns forecast ADHD symptom trajectories in teens
adhd-research-news3 months ago

Brain maturation patterns forecast ADHD symptom trajectories in teens

A large longitudinal study using ABCD data shows ADHD symptom paths in adolescence—persistent, remitting, emergent, and control—map to distinct brain development signs. Persistent symptoms link to faster cortical thinning in frontal areas; emergent symptoms to slower thinning in the right posterior cingulate; remitting symptoms to faster left hippocampal growth. A machine-learning model with baseline brain data predicted symptom severity three years later and was replicated in European adult samples. Medication did not reliably predict remission; findings point to brain-based biomarkers and non-pharmacological interventions like aerobic exercise, while acknowledging observational limitations.

via PsyPost|
#adhd#adhd-research-news#adolescence
Large study debunks the idea that ADHD brains mature more slowly
science3 months ago

Large study debunks the idea that ADHD brains mature more slowly

A new analysis of the ABCD longitudinal dataset (11,000+ youths) shows that the long-standing claim that brains of kids with ADHD mature more slowly is likely a mirage. When researchers accounted for sex differences in how boys’ and girls’ brains develop over time, the previously observed link between ADHD and delayed cortical thinning disappeared. The finding suggests ADHD remains a biological condition with genetic components, but that early brain-imaging signals lacked reliable diagnostic biomarkers and highlighted replication challenges in neuroscience.

via Live Science|
#adhd#brain-development#cortical-thickness
ADHD brain maturation claim debunked as data mirage, new study finds
science3 months ago

ADHD brain maturation claim debunked as data mirage, new study finds

A new analysis challenges the long-standing claim that brains of children with ADHD mature more slowly than those of their peers. By reexamining the data with more robust methods, researchers conclude that the landmark finding was likely a mirage caused by artifacts or biases in the data, suggesting ADHD brain maturation may proceed on a timeline similar to neurotypical development.

via Yahoo|
#adhd#brain-development#data-bias
Brains Start Dense, Then Prune: Mouse Study Rewrites Blank-Slate Idea
science3 months ago

Brains Start Dense, Then Prune: Mouse Study Rewrites Blank-Slate Idea

A mouse study from ISTA shows the hippocampal CA3 network is densely connected and seemingly random at birth, then prunes into a more structured circuit as the animal matures. This supports a pruning model where the brain is born “full” and optimized over time, potentially enabling faster integration of sensory information, though it’s not yet clear if humans follow the same pattern. The findings come from developmental stages spanning birth to adulthood and were published in Nature Communications.

via ScienceAlert|
#brain-development#hippocampus#mice
Birth of memory: the brain’s early overconnectivity prunes into precise recall
science3 months ago

Birth of memory: the brain’s early overconnectivity prunes into precise recall

A Nature Communications study in mice shows the hippocampal CA3 region is densely wired shortly after birth and undergoes rapid pruning into sparser, more structured networks by adolescence, suggesting early memories may be vague or prenatal wiring—not a blank slate—and that infancy benefits from preexisting, cross-modal wiring that becomes more selective with age.

via Live Science|
#brain-development#hippocampus#memory