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cognition

·July 18, 2025·5 min read

Tiny AI Models Reveal How We Really Make Decisions

Decision-making often involves trial and error, but conventional models assume we always act optimally based on past experience. A new study used small, interpretable artificial neural networks to uncover how humans and animals actually make choices—revealing the suboptimal strategies we often use.

Featured Neurology Neuroscience Psychology

·July 15, 2025·7 min read

Tiny Brain Region Orchestrates How We Segment and Remember Life Events

Our memories don’t flow like a continuous stream—they’re divided into meaningful events, thanks to a tiny brain region called the locus coeruleus. New research shows this region acts like a “reset button,” activating at event boundaries to signal the hippocampus to store distinct memories.

This shows an older man playing piano and a brain.

Featured Neuroscience

·July 15, 2025·5 min read

Playing Music Helps Older Brains Stay Sharp

Long-term musical training may help older adults maintain youthful brain patterns and better speech perception in noisy environments, according to new research. Scientists found that older musicians showed more efficient brain connectivity and better performance than non-musicians of the same age.

Featured Neurology Neuroscience

·July 7, 2025·4 min read

Side of Parkinson’s Onset Shapes Cognitive and Emotional Decline

Parkinson’s disease often starts on one side of the body, and new research shows this asymmetry influences how non-motor symptoms progress. Patients whose symptoms begin on the right side tend to experience greater cognitive decline and higher dementia risk.

Featured Neuroscience

·July 7, 2025·3 min read

Astrocytes in Obesity: Brain Cells That Control Metabolism & Cognition

A new study reveals that astrocytes, star-shaped brain cells in the striatum, are key players in how obesity alters brain function and metabolism. Researchers showed that manipulating astrocyte activity in obese mice improved their cognitive flexibility and metabolic regulation.

Featured Genetics Neuroscience

·June 26, 2025·4 min read

Smarter Minds Predict Better: IQ Linked to Sharper Life Forecasting

New research reveals that individuals with higher IQs are significantly better at predicting future outcomes, leading to smarter decision-making. Using data from the English Longitudinal Study of Ageing, researchers assessed how accurately people over 50 could estimate their own life expectancy. High-IQ individuals were found to make more precise forecasts—errors were less frequent and less extreme compared to their lower-IQ counterparts.

Featured Neurology Neuroscience

·June 26, 2025·4 min read

Staying Active Slows Cognitive Decline

Regular physical activity isn’t just good for the body—it protects the brain as we age. A 16-year study of over 13,000 adults found that sustained physical activity significantly slowed cognitive decline.

This shows a woman pulling different facial expressions.

Featured Neuroscience Psychology

·June 20, 2025·4 min read

Facial Expressions Reveal Hidden Cognitive States

New research shows that facial expressions can reveal internal cognitive states, accurately predicting task performance across both macaques and mice. By analyzing facial features during a foraging task in a virtual reality setup, researchers identified patterns linked to motivation, focus, and responsiveness.

Featured Neuroscience

·June 19, 2025·5 min read

Gut Bacteria, Food Insecurity, and Cognitive Risk Intertwined

A new study highlights how food insecurity may intensify the relationship between gut microbiome imbalances and cognitive impairment in adults. Analyzing data from 360 participants, researchers found specific bacterial “cliques” linked to poor cognitive outcomes, especially among those with limited access to nutritious food.

Neuroscience

·June 19, 2025·7 min read

Early Baby Behavior Predicts Adult Cognition and Intelligence

A new study reveals that cognitive tests in infancy can modestly predict intelligence three decades later. Researchers followed over 1,000 twins from seven months of age, measuring behaviors like vocalization and novelty preference to assess early cognition.

Featured Neurology Neuroscience

·June 19, 2025·4 min read

Brain Age Gap May Predict Cognitive Decline

A new study reveals that the brain age gap—the difference between a brain’s biological age and chronological age—may influence how risk factors like diabetes and high blood pressure affect cognitive function. Using machine learning to analyze brain scans from over 1,400 older adults, researchers found that a greater brain age gap was linked to poorer thinking and memory skills.

Featured Neuroscience

·June 17, 2025·5 min read

Brain Flexibility, Not Constant Focus, Marks Intelligence

New research shows that individuals with higher cognitive ability have stronger, more flexible synchronization of brain rhythms—specifically theta waves—in the midfrontal region during mentally demanding tasks. These neural signals coordinate dynamically, especially during moments of decision-making, allowing people to maintain focus and adapt more quickly to changing rules.

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cognition

Tiny AI Models Reveal How We Really Make Decisions

Tiny Brain Region Orchestrates How We Segment and Remember Life Events

Playing Music Helps Older Brains Stay Sharp

Side of Parkinson’s Onset Shapes Cognitive and Emotional Decline

Astrocytes in Obesity: Brain Cells That Control Metabolism & Cognition

Smarter Minds Predict Better: IQ Linked to Sharper Life Forecasting

Staying Active Slows Cognitive Decline

Facial Expressions Reveal Hidden Cognitive States

Gut Bacteria, Food Insecurity, and Cognitive Risk Intertwined

Early Baby Behavior Predicts Adult Cognition and Intelligence

Brain Age Gap May Predict Cognitive Decline

Brain Flexibility, Not Constant Focus, Marks Intelligence

Brain’s Internal Disappointment Meter Forces Behavioral Change

Octopuses Can Use Mirrors to Find Food

Why the Brain Doesn’t Need Choices to Generate Intent

Brain Integrates Paper Book Narratives Faster Than Digital

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