Intelligence News

April 21, 2025

Top Headlines

Groundbreaking Study Uncovers How Our Brain Learns

Apr. 17, 2025 — How do we learn new things? Neurobiologists using cutting-edge visualization techniques have revealed how changes across our synapses and neurons unfold. The findings depict how information is processed in our brain's circuitry, offering insights ...

Brain Areas Necessary for Reasoning Identified

Apr. 15, 2025 — Researchers have identified the key brain regions that are essential for logical thinking and problem ...

Menopause at an Early Age Can Exacerbate Cognitive Decline

Apr. 16, 2025 — Why does dementia affect more women than men? To help solve this mystery, researchers uncovered a new risk factor: age of menopause ...

Apr. 16, 2025 — A new study suggests that climate trauma -- such as experiencing a devastating wildfire -- can have lasting effects on cognitive ...

Latest Headlines

updated 12:27pm EDT

A Visual Pathway in the Brain May Do More Than Recognize Objects

Apr. 15, 2025 — A new study questions the longstanding view that the visual system is divided into two pathways, one for object-recognition and the other for spatial tasks. Using computational vision models, ...

Police Officers Face Twice the Risk of Traumatic Brain Injuries and PTSD, Survey Finds

Apr. 11, 2025 — Police officers are more than twice as likely to have traumatic brain injuries compared to the general ...

Father With Alzheimer's? You May Be More at Risk of Brain Changes

Apr. 9, 2025 — While some studies have suggested that having a mother with Alzheimer's disease may put you more at risk of developing the disease, a new study finds that having a father with the disease may be tied ...

AI Models of the Brain Could Serve as 'Digital Twins' in Research

Apr. 9, 2025 — In a new study, researchers created an AI model of the mouse visual cortex that predicts neuronal responses to visual ...

Scientists Map Unprecedented Detail of Connections and Visual Perception in the Mouse Brain

Apr. 9, 2025 — In a massive scientific effort, hundreds of researchers have helped to map the connections between hundreds of thousands of neurons in the mouse ...

New Insights Into Neurodegeneration Using Human 'Mini Brains'

Apr. 9, 2025 — Researchers have discovered a new way that neurons act in neurodegeneration by using human neural organoids -- also known as 'mini-brain' models -- from patients with frontotemporal lobar ...

Long-Term Effects of Obesity on Brain and Cognitive Health

Apr. 9, 2025 — With the global prevalence of obesity on the rise, it is crucial to explore the neural mechanisms linked to obesity and its influence on brain and cognitive health. However, the impact of obesity on ...

Eight or More Drinks Per Week Linked to Signs of Injury in the Brain

Apr. 9, 2025 — Heavy drinkers who have eight or more alcoholic drinks per week have an increased risk of brain lesions called hyaline arteriolosclerosis, signs of brain injury that are associated with memory and ...

Exposure to Air Pollution May Harm Brain Health of Older Adults

Apr. 7, 2025 — Long-term exposure to high levels of air pollution may harm the brain health of older adults in England, finds a new ...

Childhood Experiences Shape the Brain's White Matter With Cognitive Effects Seen Years Later

Apr. 7, 2025 — Investigators have linked difficult early life experiences with reduced quality and quantity of the white matter communication highways throughout ...

Cognitively Impaired Older Drivers Are Less Likely to Cause a Crash When Accompanied by a Passenger

Apr. 18, 2025 — Researchers examined variations in the likelihood of older drivers causing traffic crashes based on the presence of a passenger, utilizing nationwide traffic crash data between 2014 and 2020. Their ...

Exercise as an Anti-Aging Intervention to Avoid Detrimental Impact of Mental Fatigue

Apr. 3, 2025 — Retired adults who habitually exercised outperformed sedentary adults in physical and cognitive ...

How GPS Helps Older Drivers Stay on the Roads

Apr. 3, 2025 — New research shows that Sat Nav systems are helping keep older drivers on the roads for longer. The study reveals that over 65s with a poorer sense of direction rely more on help from GPS navigation ...

Cognitive Decline Comes Sooner for People With Heart Failure

Apr. 3, 2025 — There are over six million Americans with heart failure who are at greater risk of losing their cognitive abilities earlier in life, a study suggests. Global cognition and executive functioning ...

17 Modifiable Risk Factors Shared by Stroke, Dementia, and Late-Life Depression

Apr. 3, 2025 — In a new extensive systematic review, researchers identified 17 modifiable risk factors that are shared by stroke, dementia, and late-life depression. Modifying any one of them can reduce your risk ...

Study Reveals How Alcohol Abuse Damages Cognition

Apr. 2, 2025 — For the first time researchers demonstrate in an animal how heavy alcohol use leads to long-term behavioral issues by damaging brain circuits critical for ...

Exposure to Air Pollution in Childhood Is Associated With Reduced Brain Connectivity

Apr. 1, 2025 — A new study has found that children exposed to higher levels of air pollution in early and mid childhood have weaker connections between key brain regions. The findings highlight the potential impact ...

An Immune Cell May Explain How Maternal Inflammation Causes Neurodevelopmental Disorder

Apr. 1, 2025 — A research group has uncovered a potential mechanism linking maternal inflammation to delayed neurodevelopment in infants. The research suggests the role of CD11c-positive microglia -- immune cells ...

Highly Accurate Blood Test Diagnoses Alzheimer's Disease, Measures Extent of Dementia

Mar. 31, 2025 — A newly developed blood test for Alzheimer's disease not only aids in the diagnosis of the neurodegenerative condition but also indicates how far it has progressed, according to a new ...

PET Imaging Confirms Direct Involvement of Dopamine in Cognitive Flexibility

Mar. 28, 2025 — Scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility. PET imaging shows that the brain increases dopamine production when completing cognitively demanding ...

Early Signs of Heart Problems Linked to Smaller Brain Volumes

Mar. 26, 2025 — People who have early signs of heart problems may also have changes in brain health that can be early signs of dementia, such as loss of brain volume, according to a meta-analysis. The meta-analysis ...

Study Unlocks How Diabetes Distorts Memory and Reward Processing

Mar. 26, 2025 — A research team says high blood sugar levels appear to weaken function in key part of brain, mimicking ...

Highly Educated People Face Steeper Mental Declines After Stroke

Mar. 26, 2025 — Stroke survivors who have attended some level of higher education may face even steeper mental declines, according to a study. The findings suggest that attending higher education may enable people ...

How Cells Respond to Stress Is More Nuanced Than Previously Believed

Mar. 26, 2025 — The body's cells respond to stress -- toxins, mutations, starvation or other assaults -- by pausing normal functions to focus on conserving energy, repairing damaged components and boosting ...

Artificial Intelligence Uses Less Energy by Mimicking the Human Brain

Mar. 26, 2025 — Electrical and computer engineers have developed a 'Super-Turing AI,' which operates more like the human brain. This new AI integrates certain processes instead of separating them and then ...

Exercise of Any Kind Boosts Brainpower at Any Age

Mar. 25, 2025 — Whether it's an early morning jog, or a touch of Tai Chi, groundbreaking research shows that any form of exercise can significantly boost brain function and memory across children, adults, and ...

At-Home Smell Test for Early Detection of Alzheimer's Disease

Mar. 24, 2025 — Researchers developed olfactory tests -- in which participants sniff odor labels that have been placed on a card -- to assess people's ability to discriminate, identify and remember odors. They ...

How the Brain Links Related Memories Formed Close in Time

Mar. 21, 2025 — If you've ever noticed how memories from the same day seem connected while events from weeks apart feel separate, a new study reveals the reason: Our brains physically link memories that occur ...

Boosting Brain's Waste Removal System Improves Memory in Old Mice

Mar. 21, 2025 — Aging compromises the lymphatic vessels surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers boosted lymphatic vessel integrity in old mice and ...

New Rules for the Game of Memory

Mar. 20, 2025 — New research on the hippocampus, a brain area essential for memory, suggests that new rules of synaptic plasticity best explain how brain activity continually reshapes the way memories are recorded ...