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dopamine

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·May 24, 2026·10 min read

Humans Avoid Wasted Effort Rather Than Exertion

A new study upends decades of motivational dogma by proving that the brain does not naturally avoid effort, but rather avoids wasted effort.

Featured Neurology Neuroscience

·May 18, 2026·8 min read

Parkinson’s Drug Restores Memories in Alzheimer’s

Severe dopamine dysfunction in the entorhinal cortex is a primary, hidden mechanism behind Alzheimer's-related memory impairment. Researchers found that dopamine levels in this vital memory gateway drop to less than 20% of normal, causing localized neurons to stop encoding memories altogether.

Featured Neurology Neuroscience

·May 8, 2026·8 min read

Brain Pathway Identification Could Slow Parkinson’s

Researchers identified a sex-specific pathway that preserves dopamine-producing neurons in females. By reinforcing nicotine-responsive receptors without using nicotine, the team successfully reduced signs of degeneration, marking a critical step toward disease-modifying therapies.

Featured Neuroscience

·May 7, 2026·9 min read

GLP-1 Drugs Found to Directly Rewire Brain’s Reward System

Researchers have discovered a neural pathway connecting the amygdala to dopamine neurons that allows these weight-loss medications to reduce the desire for rewarding foods, offering a new explanation for their effectiveness and their impact on addictive behaviors.

Featured Neurology Neuroscience

·April 23, 2026·7 min read

Dopamine Depletion: The Hidden Driver of Alzheimer’s Memory Loss

A new study identifies dopamine dysfunction in the entorhinal cortex as a central cause of Alzheimer’s memory impairment.

Featured Neuroscience

·April 22, 2026·7 min read

Embryonic Pathways Found to Balance the Adult Mind

Researchers discovered that a signaling pathway used in brain development is repurposed in adulthood to balance behavioral persistence and flexibility.

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Featured Neuroscience

·April 16, 2026·9 min read

Fat Cells Teach the Brain to Avoid Bad Food

A new study reveals that fat cells play a vital role in learning food aversion. By producing dopamine in response to infection, fat cells tell the brain to avoid harmful bacteria in the future.

Featured Neurology Neuroscience

·April 11, 2026·7 min read

Parkinson’s Meds Accidentally Trigger Bacteria to “Eat” Levodopa

How does gut bacteria affect Parkinson’s medication? COMT inhibitors trigger the growth of E. faecalis, which metabolizes levodopa before it can reach the brain.

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Featured Neuroscience Psychology

·April 7, 2026·7 min read

Your Brain Rewards You for Imagining the Future

A new study proposes that "mental time travel" is reinforced by the brain's reward system. This new theory explains why we invest in future-thinking and how this process can contribute to chronic mental disorders like anxiety.

Featured Neurology Neuroscience

·March 25, 2026·7 min read

Acetylcholine Decides Dopamine’s Role

The timing of acetylcholine release determines whether dopamine promotes learning or movement. This millisecond-level interaction provides a new framework for understanding Parkinson's and depression.

Featured Neurology Neuroscience Visual Neuroscience

·March 19, 2026·7 min read

Dopamine GPS: Visual Guidance Beyond Reward

More than just a reward. New research reveals that dopamine acts as a biological GPS, sending real-time "guidance signals" to the brain to ensure you stay on the right path.