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Memory

·September 25, 2024·5 min read

Emotion Boosts Memory for Context

New research shows that emotion enhances memory for contextual details, challenging the long-held belief that it impairs such memory. Brain imaging and behavioral studies reveal that emotional experiences activate cross-talk between emotion-processing and recollection regions in the brain, leading to stronger memories of contextual information.

Featured Neuroscience

·September 25, 2024·4 min read

How the Brain Encodes Time and Experiences

A new study reveals how specific brain cells in the hippocampus and entorhinal cortex encode time and experiences, helping us form memories and predict future outcomes. These neurons fire in patterns reflecting the order of events, even replaying them after the experience is over. This groundbreaking discovery provides insight into how the brain integrates "what" and "when" information to form lasting memories.

Featured Neuroscience

·September 23, 2024·4 min read

Melatonin Receptor is Key to REM Sleep and Memory

Scientists have identified the melatonin MT1 receptor as a key regulator of REM sleep, crucial for memory, dreaming, and emotional regulation. This discovery may pave the way for targeted treatments for sleep disorders and conditions like Parkinson’s and dementia, which are linked to REM disruptions.

Featured Neuroscience

·September 12, 2024·5 min read

Key Neurons Found to Predict Memory of People and Places

Researchers have identified specific brain cells, known as concept neurons and location cells, that predict whether we will successfully remember people and places. These neurons in the medial temporal lobe and parahippocampal cortex become active during memory formation, responding to specific images and locations.

This shows a drawing of a head and pencils.

Featured Neuroscience

·September 10, 2024·6 min read

Varied Cognitive Training Boosts Learning and Memory

New research shows that varied cognitive training, rather than repetitive tasks, helps older adults improve working memory. Participants who engaged in multiple types of memory exercises saw the greatest improvement compared to those who repeated the same task.

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Featured Neurology Neuroscience

·September 7, 2024·5 min read

Tau Levels Predict Memory Loss in Alzheimer’s

Alzheimer's disease (AD) progression varies based on the presence of tau and amyloid-beta (Aβ) proteins in the brain. Patients with high levels of both tau and Aβ experience rapid memory decline, while those with high Aβ but low tau show a slower progression. The research emphasizes that tau levels are crucial for diagnosing and managing AD effectively. This insight could lead to more personalized treatment strategies as biomarker technology advances.

Featured Genetics Neuroscience

·September 5, 2024·2 min read

RNA Therapy Improves Memory and Reduces Anxiety

An RNA-based therapy, COG-201, can enhance memory and reduce anxiety in animal models by targeting the serotonin 5-HT2A receptor. Scientists found that decreasing this receptor’s expression led to improved cognitive function and reduced anxiety-like behaviors in mice and rats.

Featured Neuroscience

·September 5, 2024·4 min read

Long-Term Cannabis Use Linked to Sleep and Memory Issues

Long-term cannabis users experience more sleep problems, which are associated with poorer visuospatial memory performance. Researchers compared 141 regular cannabis users to 87 non-users and found that chronic cannabis use may worsen both sleep and memory, despite its common use as a sleep aid.

This shows a woman holding her head in her hands.

Featured Neuroscience Psychology

·September 5, 2024·4 min read

Observing Trauma Boosts Resilience Through Serotonin

A new study reveals that observing others endure trauma can increase resilience and protect against depression. Researchers found that serotonin, released in the brain's habenula, plays a key role in this process, enhancing resilience by altering neuronal activity.

This shows an older man with headphones, surrounded by musical notes.

Featured Neuroscience

·September 4, 2024·5 min read

Older Brains Work Harder to Remember Music

Older adults are just as capable as younger individuals of remembering familiar music, but their brains must work harder in certain areas. While memory-related brain regions are less active in older people, sensory-related areas become more engaged, compensating for reduced memory function.

Featured Neurology Neuroscience

·September 4, 2024·3 min read

Cadmium Exposure Linked to Memory Issues

A recent study explored the link between cadmium exposure and cognitive decline, finding that higher cadmium levels may be associated with thinking and memory problems in white people. The study followed 2,172 people over 10 years, with results showing no association overall but revealing a possible link when analyzing Black and white participants separately.

Featured Neurology Neuroscience

·September 4, 2024·5 min read

Novel Drug Shows Promise in Preventing Early Alzheimer’s Brain Changes

A recent study has shown that troriluzole can prevent early-stage brain changes in a mouse model of Alzheimer’s disease. The research demonstrated that troriluzole reduces harmful glutamate levels, preserving memory and cognitive function.

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Memory

Emotion Boosts Memory for Context

How the Brain Encodes Time and Experiences

Melatonin Receptor is Key to REM Sleep and Memory

Key Neurons Found to Predict Memory of People and Places

Varied Cognitive Training Boosts Learning and Memory

Tau Levels Predict Memory Loss in Alzheimer’s

RNA Therapy Improves Memory and Reduces Anxiety

Long-Term Cannabis Use Linked to Sleep and Memory Issues

Observing Trauma Boosts Resilience Through Serotonin

Older Brains Work Harder to Remember Music

Cadmium Exposure Linked to Memory Issues

Novel Drug Shows Promise in Preventing Early Alzheimer’s Brain Changes

Psilocybin Unlocks Lost Memories in an Alzheimer’s Patient

GLP-1s Linked to Low Blood Pressure and Fainting Spikes

Autophagy Decline in Older Moms Halts Embryo Development

GLP-1 Therapies Silence Spontaneous Physical Activity

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