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dopamine

·November 9, 2024·5 min read

Childhood Stress Disrupts Attention, Sleep, and Dopamine Balance in Adults

New research links childhood adversity with later attention deficits, sleep disruptions, and specific dopamine imbalances in the brain. Focusing on critical developmental windows, scientists found that disrupted care early in life affected males more than females.

Featured Genetics Neurology Neuroscience

·October 28, 2024·4 min read

Key Biochemical Trigger of Huntington’s Disease Progression Identified

Researchers have identified a crucial biochemical mechanism that could allow Huntington’s disease to be studied before symptoms appear, offering hope for early intervention. The team found that disrupted dopamine regulation in specific neurons, related to TrkB neurotrophin receptor signaling, may trigger Huntington’s onset. By targeting an enzyme called GSTO2, researchers prevented motor symptoms in a mouse model, suggesting this protein's role in the disease's progression.

Featured Neuroscience

·October 23, 2024·6 min read

Neural Pathways Link Dopamine to Movement and Motivation

Researchers have discovered two new brain pathways that modify movement and emotional decisions by controlling dopamine release. These pathways, found in the striatum, either stimulate or inhibit dopamine-producing neurons, influencing the go and no-go pathways that control movement.

Featured Genetics Neuroscience

·October 11, 2024·5 min read

Key Brain Protein Tied to Motivation and Mood Identified

A new study has identified a brain protein, vesicular nucleotide transporter (Vnut), as essential for regulating mood and motivation in mice. When Vnut was removed from brain cells called astrocytes, the mice displayed higher anxiety, depression-like behavior, and decreased motivation, especially in females.

Featured Neurology Neuroscience

·October 5, 2024·5 min read

New Molecule Offers Hope for Parkinson’s by Outperforming L-Dopa

A new study has discovered that ophthalmic acid, a molecule in the brain, acts like a neurotransmitter to regulate motor function, similar to dopamine. In Parkinson’s mouse models, this molecule improved movement for over 20 hours—far longer than the effects of the current treatment, L-dopa.

Featured Neuroscience Psychology

·September 27, 2024·5 min read

Unexpected Sounds Boost Dopamine, Leading to Riskier Decisions

A new study shows that unexpected sounds can cause dopamine bursts in the brain, which may lead to riskier decision-making. Researchers found that participants were 4% more likely to choose risky options after hearing a surprising tone. These findings highlight how unrelated sensory events, like sounds, can influence choices, shedding light on the role dopamine plays in decision-making.

Featured Neuroscience Pain

·September 24, 2024·3 min read

Dopamine Not Essential for Placebo Effect in Pain Relief

New research reveals that dopamine is not directly responsible for the formation of placebo analgesia, contrary to previous beliefs. In a study with 168 participants, altering dopamine levels did not affect positive treatment expectations or pain relief.

Featured Neuroscience

·September 6, 2024·5 min read

New Sensor Detects Dopamine from Blood Samples

Researchers have developed a novel optical sensor that can detect dopamine directly from unprocessed blood samples. This sensor, using a synthetic DNA strand called an aptamer, identifies dopamine with high precision, making it a potential tool for diagnosing cancers and neurological disorders.

Featured Neuroscience Psychology

·August 27, 2024·5 min read

Hidden Dopamine Neurons Balance Brain Functions and Behavior

Researchers identified a small group of dopamine neurons in the striatum that play a crucial role in balancing essential brain functions such as reward, cognition, and movement. This discovery opens the door to new treatments for psychiatric and neurological disorders like schizophrenia, addiction, and Parkinson’s disease. These neurons help regulate the brain's dopamine pathways, preventing overactivity that can lead to various disorders. The research marks a significant step toward understanding how these pathways impact motor and cognitive functions.

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Featured Neuroscience Psychology

·August 6, 2024·6 min read

Social Drinking Activates Dopamine and Elevates Mood

New research reveals why alcohol makes people feel happier in social settings but not when drinking alone. Using fruit flies, scientists discovered that dopamine in the brain plays a key role in amplifying the euphoric effects of alcohol during social interactions.

Featured Neurology Neuroscience

·August 6, 2024·5 min read

Dopamine Treatment Reduces Alzheimer’s Plaques

Researchers uncovered a promising approach to treating Alzheimer’s disease by using dopamine to enhance brain enzyme activity that reduces harmful plaques. Conducted on mice, the study shows that dopamine increases neprilysin production, which breaks down beta-amyloid plaques linked to Alzheimer's.

This shows a brain surrounded by seaweed.

Featured Neurology Neuroscience

·August 5, 2024·3 min read

Seaweed Antioxidants Show Promise in Preventing Parkinson’s

Researchers have found that antioxidants from Ecklonia cava, a type of seaweed, may help prevent Parkinson's disease by protecting dopamine-producing neurons. In mouse models, these antioxidants restored motor function and improved gut health after exposure to toxins. Cellular studies revealed that these compounds activate the AMPK enzyme and reduce harmful reactive oxygen species, potentially offering a new approach to combat neurodegeneration. This discovery highlights the potential of Ecklonia cava as a preventive ingredient against Parkinson's disease.