Tag

Brain Development

All articles tagged with #brain development

science29 days ago•13 min saved

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

health1 month ago•186 min saved

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

health1 month ago•5 min saved

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

kids1 month ago•42 min saved

Laughter as a Brain Workout: How Humor Helps Kids Learn and Thrive

New research indicates laughter strengthens children's developing brains, boosts emotional bonds with caregivers, lowers stress hormones, and enhances learning by engaging memory and executive functions, with playful, shared humor in home and classroom settings helping kids navigate stress and improve resilience.

via Good News Network|

#brain-development #child-learning #education

science1 month ago•7 min saved

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

adhd-research-news1 month ago•30 min saved

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

science1 month ago•91 min saved

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

science1 month ago•44 min saved

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

science1 month ago•6 min saved

Newborn Brain Isn’t Blank: Early Wiring Is Pruned Into Adult Structure

A Nature Communications study in mice shows the hippocampus is densely wired at birth and progressively prunes connections to form mature networks, supporting a tabula plena (not a blank slate) model of brain development; the research also notes human applicability remains to be tested.

via Indian Defence Review|

#brain-development #hippocampus #infancy

science2 months ago•4 min saved

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

science2 months ago•91 min saved

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

science2 months ago•10 min saved

Congenital blindness reveals surprising clues about schizophrenia

Across seven decades of observations and a major 2018 study, scientists have repeatedly found that people born blind due to cortical (brain) damage do not develop schizophrenia, unlike those who become blind later or whose blindness comes from eye disease. The protection seems tied to how the visual cortex is repurposed early in life, potentially stabilizing the brain’s predictive processing and reducing misfired predictions that underlie psychosis. Timing matters: loss of vision later in life doesn’t confer the same protection. These findings point to new directions for treatment that could target perception, learning, and brain circuits (including glutamate systems in the visual cortex) alongside traditional dopamine-focused approaches, though blindness is not a practical safeguard. This line of research deepens our understanding of brain development and the origins of schizophrenia.”

via The Conversation|

#blindness #brain-development #cortical-blindness

science2 months ago•6 min saved

Glucose Signals Turn On the Brain’s Myelin Growth Timeline

Scientists mapped glucose in the developing brain and found that high local glucose drives oligodendrocyte progenitor cell (OPC) proliferation via nuclear acetyl-CoA produced by the enzyme ACLY, while lower glucose cues these cells to mature into myelin-forming oligodendrocytes. In ACLY-deficient mice, ketogenic diets can partially rescue myelin deficits by providing an alternative fuel source. This reveals a metabolic switch that times and regionalizes myelin formation during a critical late-gestation window (roughly 32–40 weeks in humans), with implications for premature white-matter injury and potential myelin-repair strategies in diseases like multiple sclerosis.

via Neuroscience News|

#acly #brain-development #metabolism

science2 months ago•4 min saved

Large US Teen Study Links Cannabis Use to Slower Brain Development

A large, longitudinal study of 11,036 U.S. youths aged about 9–10 to 16–17 found that cannabis use during adolescence is linked to slower development across memory, attention, and processing speed, with THC exposure driving most of the effects and CBD exposure showing relatively normal scores. While causality can’t be proven, researchers controlled for family background, mental health, and other substances, suggesting that delaying cannabis use may help protect the developing brain. The findings come from the ABCD study and were published in Neuropsychopharmacology, with even small cognitive differences potentially affecting learning, standardized testing, and daily functioning.

via ScienceAlert|

#brain-development #cannabis #cbd

health2 months ago•5 min saved

Adolescent Cannabis Use Linked to Slower Cognitive Growth in Large U.S. Study

A UC San Diego-led analysis of more than 11,000 youths finds that teens who begin using cannabis show slower gains in memory, attention and processing speed over time, with THC exposure associated with worse memory; CBD exposure showed no clear pattern. The researchers caution that causality isn’t proven and will continue tracking participants into young adulthood to understand long-term effects.

via UC San Diego Today|

#brain-development #cannabis #cognitive-development