Intelligence News

May 17, 2024

Top Headlines

Different Brain Structures in Females Lead to More Severe Cognitive Deficits After Concussion Than Males

May 16, 2024 — Important brain structures that are key for signaling in the brain are narrower and less dense in females, and more likely to be damaged by brain injuries, such as concussion. Long-term cognitive ...

The Crystallization of Memory: Study Reveals How Practice Forms New Memory Pathways in the Brain

May 15, 2024 — A new study has shown that repetitive practice not only is helpful in improving skills but also leads to profound changes in the brain's memory ...

New Group Training Tool for the Prevention of Dementia

May 15, 2024 — The system is already in use in retirement homes. Researchers have now tested how effective it is in a scientific ...

Alzheimer's Disease Without Symptoms: How Is That Possible?

May 15, 2024 — Everyone experiences aging in their own way, and factors such as genetics, lifestyle and environment play a role in this process. Some individuals reach the age of 90 or even 100 in good health, without medications or brain disease. But how do these ...

Latest Headlines

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Study Links Sleep Apnea Severity During REM Stage to Verbal Memory Decline

May 14, 2024 — A research team has revealed the link between the frequency of sleep apnea events during the rapid-eye-movement stage and the severity of verbal memory impairment in older adults at risk for ...

Brain Mechanisms Underlying Sensory Hypersensitivity in a Mouse Model of Autism Spectrum Disorder

May 9, 2024 — A research team has identified the primary cause of sensory hypersensitivity in a mouse model of autism spectrum disorders ...

How the Brain Is Flexible Enough for a Complex World (Without Being Thrown Into Chaos)

May 10, 2024 — Many neurons exhibit 'mixed selectivity,' meaning they can integrate multiple inputs and participate in multiple computations. Mechanisms such as ...

Chimps Learn and Improve Tool-Using Skills Even as Adults, Study Finds

May 7, 2024 — Chimpanzees continue to learn and hone their skills well into adulthood, a capacity that might be essential for the evolution of complex and varied tool use, according to a new ...

'Mathematical Microscope' Reveals Novel, Energy-Efficient Mechanism of Working Memory That Works Even During Sleep

May 8, 2024 — Researchers have discovered a mechanism that creates memories while reducing metabolic cost, even during sleep. This efficient memory occurs in a ...

How the Brain's Arousal Center Helps Control Visual Attention Too

May 2, 2024 — Neuroscientists have artificially increased neuronal activity in part of the brain by briefly shining light on genetically modified neurons. They saw that this manipulation selectively enhanced ...

A Blood Test for Stroke Risk? Biomarker for Risk of Future Cerebrovascular Disease

May 1, 2024 — A simple blood test could allow doctors to determine whether a person may be at higher risk for stroke or cognitive decline during their lifetime, ...

Losing Keys and Everyday Items 'Not Always Sign of Poor Memory'

May 1, 2024 — The mysteries of how memory works are explained in a new book that suggests anyone can boost their powers of recall -- and that losing your keys is ...

Intervention Based on Science of Reading, Math Boosts Comprehension, Word Problem-Solving Skills

Apr. 29, 2024 — Researchers tested a research-based intervention with English learners with math difficulty. The intervention proved to boost comprehension and help ...

New Research Shows 'Profound' Link Between Dietary Choices and Brain Health

Apr. 24, 2024 — New research has highlighted the profound link between dietary choices and brain ...

Good Heart Health in Middle Age May Preserve Brain Function Among Black Women as They Age

Apr. 24, 2024 — Cognitive decline among Black women linked to poor heart health in middle ...

In the Brain, Bursts of Beta Rhythms Implement Cognitive Control

Apr. 23, 2024 — Bursts of brain rhythms with 'beta' frequencies control where and when neurons in the cortex process sensory information and plan responses. Studying these bursts would improve ...

Eye-Opener: Pupils Enlarge When People Focus on Tasks

Apr. 22, 2024 — Normally, a person's pupils naturally widen (or dilate) in low-light environments to allow more light into the eye. However, in a new study, researchers reported that a person's pupils also ...

Metacognitive Abilities Like Reading the Emotions and Attitudes of Others May Be More Influenced by Environment Than Genetics

Apr. 18, 2024 — Twin studies have proven invaluable for teasing out the effects of both genetics and the environment on human biology. Researchers studied pairs of twins to look at how the interplay of genetics and ...

Paper: To Understand Cognition--and Its Dysfunction--Neuroscientists Must Learn Its Rhythms

Apr. 17, 2024 — Thought emerges and is controlled in the brain via the rhythmically and spatially coordinated activity of millions of neurons, scientists argue in a new article. Understanding cognition and its ...

Does Using Your Brain More at Work Help Ward Off Thinking, Memory Problems?

Apr. 17, 2024 — The harder your brain works at your job, the less likely you may be to have memory and thinking problems later in life, according to a new study. This study does not prove that stimulating work ...

Workings of Working Memory Detailed

Apr. 17, 2024 — Investigators have discovered how brain cells responsible for working memory -- the type required to remember a phone number long enough to dial it -- coordinate intentional focus and short-term ...

Can Animals Count?

Apr. 16, 2024 — Researchers have made a groundbreaking discovery regarding number sense in animals by confirming the existence of discrete number sense in rats, offering a crucial animal model for investigating the ...

Physical Activity Reduces Stress-Related Brain Activity to Lower Cardiovascular Disease Risk

Apr. 15, 2024 — Over a ten-year period, biobank participants who met recommended levels of physical activity had a 23% lower risk of cardiovascular disease, and the protective effects were even more pronounced in ...

Brainless Memory Makes the Spinal Cord Smarter Than Previously Thought

Apr. 11, 2024 — Researchers have discovered the neural circuitry in the spinal cord that allows brain-independent motor learning. The study found two critical groups of spinal cord neurons, one necessary for new ...

New Origin of Deep Brain Waves Discovered

Apr. 10, 2024 — Biomedical engineering researchers have uncovered a previously unknown source of two key brain waves crucial for deep sleep: slow waves and sleep spindles. Traditionally believed to originate from ...

Brain Stimulation Treatment May Improve Depression, Anxiety in Older Adults

Apr. 10, 2024 — A noninvasive brain stimulation treatment improved depression and anxiety symptoms among older adults in a new ...

New Technique Sheds Light on Memory and Learning

Apr. 9, 2024 — The findings may also have implications for learning and memory disorders, including Fragile X ...

Cognitive Decline May Be Detected Using Network Analysis, According to Concordia Researchers

Apr. 9, 2024 — Researchers use network analysis to study whether it can reveal the subtle changes associated with subjective cognitive decline that cannot otherwise be detected through standard test analyses. By ...

Active Workstations May Improve Cognitive Performance

Apr. 4, 2024 — A recent study suggests that active workstations incorporating a walking pad, bike, stepper and/or standing desk are successful strategies for reducing sedentary time and improving mental cognition ...

Researchers Map How the Brain Regulates Emotions

Apr. 3, 2024 — A new study is among the first of its kind to separate activity relating to emotion generation from emotion regulation in the human brain. The findings provide new insights that could help inform ...

Blended Antioxidant Supplement Improves Cognition and Memory in Aged Mice

Apr. 2, 2024 — Cell damage from oxidative stress is a major underlying cause of age-related cognitive and muscle strength decline. Antioxidants can reduce oxidative stress and prevent age-related health decline. A ...

Familial Alzheimer's Disease Transferred Via Bone Marrow Transplant in Mice

Mar. 28, 2024 — Familial Alzheimer's disease can be transferred via bone marrow transplant, researchers show. When the team transplanted bone marrow stem cells from mice carrying a hereditary version of ...

Researchers Introduce Enhanced Brain Signal Analysis Technique

Mar. 27, 2024 — Researchers have introduced a new, refined method for analyzing brain signals, enhancing our understanding of brain functionality. This research has the potential to improve treatments for ...

Could AI Play a Role in Locating Damage to the Brain After Stroke?

Mar. 27, 2024 — Artificial intelligence (AI) may serve as a future tool for neurologists to help locate where in the brain a stroke occurred. In a new study, AI processed text from health histories and neurologic ...