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Memory

·July 28, 2024·6 min read

Epigenetics Unlocks Secrets of Memory Formation

A new study reveals that the epigenetic state of neurons determines their role in memory formation. Neurons with open chromatin states are more likely to be recruited into memory traces, showing higher electrical activity during learning. Researchers demonstrated that manipulating these epigenetic states in mice can enhance or impair learning. This discovery shifts the focus from synaptic plasticity to nuclear processes, offering potential new avenues for treating cognitive disorders.

Featured Neurology Neuroscience

·July 22, 2024·4 min read

Daily Naps and Brain Training Reduce Dementia Risk

Exercising our brains with daily habits like naps and memory workouts, instead of relying on smartphones, can reduce the risk of age-related dementia. A new study highlights the superiority of human intelligence over AI. The study emphasizes nurturing our brain's potential for healthy aging. It also offers practical tips for boosting brain power and maintaining real intelligence.

Featured Neuroscience

·July 19, 2024·4 min read

Astrocytes: The Unsung Heroes of Learning and Memory

Astrocytes, star-shaped glial cells in the brain, play a crucial role in learning and memory by regulating synaptic plasticity. Researchers developed a biophysical model showing how astrocytes interact with nerve cells to facilitate rapid adaptation to new information.

Featured Neuroscience

·July 18, 2024·5 min read

Cuttlefish Can Create False Memories, Just Like Humans

Researchers have discovered that cuttlefish can form false memories, similar to humans. By exposing cuttlefish to overlapping features of different events, they induced the creatures to falsely remember seeing shrimp where there were none. This finding suggests that cuttlefish reconstruct memories from separate details, optimizing memory storage. Individual cuttlefish showed varying susceptibility to forming false memories, indicating differences in memory processing.

Featured Neurology Neuroscience

·July 17, 2024·6 min read

New Type of Age-Related Memory Loss Identified

Researchers established new criteria for Limbic-predominant Amnestic Neurodegenerative Syndrome (LANS), a memory-loss condition often mistaken for Alzheimer's disease. Unlike Alzheimer’s, LANS progresses more slowly and has a better prognosis. The criteria help doctors diagnose LANS in living patients using brain scans and biomarkers. This advancement aids in better management and tailored treatments for memory loss.

Featured Neurology Neuroscience

·July 11, 2024·3 min read

Predicting Cognitive Decline in Early Alzheimer’s

A new study predicts cognitive decline rates in people with early Alzheimer's and explores how new drugs may slow this process. Researchers found that prediction models can estimate the rate of decline but with some uncertainty. These models could eventually help answer practical questions about quality of life for patients. The findings highlight the potential of new treatments to delay cognitive impairment.

This shows a man sitting alone on a bench.

Featured Neuroscience Psychology

·July 11, 2024·4 min read

Loneliness Worse for Memory Than Social Isolation

A new study finds that loneliness impacts memory more negatively than social isolation among older adults. Those who are both socially isolated and lonely experience the greatest memory decline, but loneliness alone also significantly harms memory.

Auditory Neuroscience Featured Neuroscience

·July 11, 2024·5 min read

Brain Region Helps Tune Our Hearing to Focus on Important Sounds

A new study uncovers how the orbitofrontal cortex (OFC) aids the auditory cortex in adapting to different hearing contexts. Researchers found that the OFC sends signals to the auditory cortex to help switch between passive and active listening. This discovery enhances our understanding of how the brain filters and reacts to sounds, with implications for treating neurodevelopmental disorders. The findings highlight the OFC's crucial role in managing auditory attention.

Featured Neuroscience

·July 1, 2024·4 min read

Trusting Our Memories: We Know When They’re Accurate

New research shows that we can distinguish between accurate memories and those filled with general knowledge. A study revealed that when memories are based on 'prototypical' information, our confidence in them decreases. This awareness helps us accurately assess the reliability of our recollections. These findings have significant implications for the credibility of eyewitness accounts in legal cases.

Featured Neuroscience

·June 30, 2024·5 min read

Sleep-Deprived Memories Restored by Common Medications

Researchers have found that sleep deprivation can hide, rather than erase, memories in mice, and that these memories can be restored using existing drugs. The study demonstrated that roflumilast, an asthma medication, could recover social memories, while vardenafil, an erectile dysfunction drug, restored spatial memories.

Featured Neuroscience

·June 28, 2024·5 min read

Serotonin 2C Receptor Key to Memory

Researchers discovered the serotonin 2C receptor in the brain plays a crucial role in regulating memory in both humans and animal models. This breakthrough offers insights into conditions associated with memory loss, such as Alzheimer’s disease, and suggests new treatment pathways.

Featured Neurology Neuroscience

·June 27, 2024·4 min read

COVID-19 Vaccines May Reduce Virus-Induced Memory Problems

COVID-19-induced cognitive impairment is linked to the protein IL-1β. Researchers found that vaccination can reduce brain inflammation and memory loss in rodent models. This suggests vaccines may lower the risk of long COVID brain fog. More research is needed to confirm these findings in humans.