Neuroscience News - AI, Neuroscience, Psychology Research

·March 31, 2025·4 min read

Genes Play a Role in Why We Love Music

A new genetic study reveals that our capacity to enjoy music is partly inherited, with 54% of music enjoyment variability linked to DNA differences. Researchers analyzed data from over 9,000 twins to explore whether genetics influence how much pleasure people derive from music.

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·March 31, 2025·5 min read

Glutamate Unlocks Brain Cell Channels to Enable Thinking and Learning

Researchers used advanced cryo-electron microscopy to capture atomic-level images of how glutamate, a key neurotransmitter, opens channels in brain cells. These channels, known as AMPA receptors, are essential for neuron-to-neuron communication and play a role in learning, memory, and disorders like epilepsy.

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·March 31, 2025·4 min read

Smell Test at Home May Sniff Out Early Cognitive Decline

A new study highlights that olfactory testing could offer a simple, cost-effective way to detect early cognitive impairment from home. Researchers found that older adults with mild cognitive issues performed worse on odor identification and memory tasks than cognitively normal individuals.

This shows a woman, a cell phone and laptop.

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·March 29, 2025·5 min read

Why Simply Putting Away Your Phone Won’t Help You Focus

A new study reveals that placing your smartphone out of reach doesn’t significantly reduce distraction or boost productivity. While participants used their phones less when they were farther away, they simply shifted their attention to other devices like laptops. The core issue isn’t the phone itself but the deeply ingrained habits and routines we’ve built around it. Smartphones remain the preferred tool for distraction due to their multifunctionality, portability, and tactile design.

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·March 29, 2025·4 min read

Infomorphic Neurons Bring AI One Step Closer to Brain-Like Learning

Researchers have developed a new kind of artificial neuron—called infomorphic neurons—that can independently learn and self-organize with nearby neurons, mimicking the decentralized learning of biological brains. Inspired by pyramidal cells in the cerebral cortex, these neurons process local signals to adapt and specialize in tasks without external control.

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·March 29, 2025·3 min read

Dopamine Circuit in Brain Found to Drive Male Ejaculation

New research uncovers how dopamine in the ventral shell of the nucleus accumbens (vsNAc) governs the sexual behavior sequence in male mice, from sniffing to ejaculation. Using fiber photometry, scientists identified rhythmic dopamine activity during intromission that aligns with movement patterns and is regulated by acetylcholine inputs.

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·March 28, 2025·4 min read

Dopamine Surge Boosts Brain’s Ability to Adapt

For the first time, researchers have directly observed dopamine release in the human brain during moments of cognitive flexibility. Using PET imaging, they found that dopamine levels spike in the ventromedial prefrontal cortex when people switch between tasks — and the more dopamine released, the more efficiently they adapted.

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·March 27, 2025·8 min read

Killing in Combat Doesn’t Always Harm Soldiers’ Mental Health

A large study of over 14,000 Norwegian veterans reveals that taking a life in combat doesn't automatically damage a soldier’s mental health—context matters. Veterans from Afghanistan, where combat was expected and rules of engagement were clear, showed no long-term psychological harm from killing.

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·March 27, 2025·8 min read

Pleasure Loss, Not Cravings, Drives Overeating in Obesity

A new study reveals that long-term high-fat diets reduce pleasure from eating by lowering neurotensin, a brain peptide that boosts dopamine response.

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·March 27, 2025·3 min read

Stronger Bonds Before Birth Shape Healthier Mother-Child Futures

A new study reveals that young mothers who feel emotionally connected to their unborn babies are more likely to form healthy, positive relationships with their children later. Researchers tracked 160 racially diverse, low-income mothers from pregnancy to their child’s toddler years, showing that prenatal bonding plays a key role in early childhood development.

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·March 27, 2025·5 min read

Type 2 Diabetes Rewires the Brain Like Early Alzheimer’s

New research reveals that Type 2 diabetes may impair the brain’s reward and memory processing in ways that mirror early Alzheimer’s disease. The study focuses on the anterior cingulate cortex (ACC), a brain region responsible for motivation and emotional regulation, and its interaction with the hippocampus.

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·March 27, 2025·4 min read

How the Brain Learns to Reclassify Danger and Reward

The brain constantly evaluates whether stimuli are positive or negative, prompting approach or avoidance behaviors that are essential for survival. A new study reveals that two neuron types in the nucleus accumbens—D1 and D2 neurons—respond together to both rewarding and aversive stimuli, but in distinct ways.