Psychedelics Reduce Anxiety Without Hallucinations

Summary: New research has pinpointed the specific brain region and neuron type responsible for reducing anxiety using the psychedelic drug DOI, without triggering hallucinations. The study revealed that DOI targets…

Dolphins’ “Smile” Reveals Playful Intentions

Summary: Bottlenose dolphins use an “open mouth” expression, similar to a smile, during playful interactions with other dolphins. This expression is a signal of fun and playfulness, preventing misunderstandings as…

Reduced Brain Response to Visual Cues Linked to Psychosis in Parkinson’s

Summary: People with Parkinson’s disease (PD) who experience visual hallucinations have reduced brain responses to unexpected visual changes, a marker known as visual mismatch negativity (vMMN). Using EEG, researchers compared…

AI Detects Depression Through Eyes and Facial Cues

Summary: Researchers are developing AI-driven smartphone applications to detect signs of depression non-invasively. One system, PupilSense, monitors pupillary reflexes to identify potential depressive episodes with 76% accuracy. Another tool, FacePsy,…

Game Theory Challenged: Humans Cooperate Despite Betrayal

Summary: Humans tend to cooperate even after being betrayed, defying traditional game theory expectations. Researchers conducted online experiments using alternating and voluntary participation games, revealing that people are more tolerant…

What Makes Yawning Contagious? – Neuroscience News

Summary: Yawning is a universal behavior observed in many species, but why do we tend to yawn when someone else does? While the idea that yawning increases brain oxygenation remains…

Teens Risk Brain Damage in New TikTok “Chroming” Trend

Videos on TikTok are contributing to a resurgence in “chroming,” the dangerous practice of inhaling toxic fumes from household items like markers or nail polish. The study analyzed over 100…

Unexpected Sounds Boost Dopamine, Leading to Riskier Decisions

Summary: 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…

Men Show Higher Genetic Risk for Schizophrenia and Related Disorders

Summary: Researchers have found that schizophrenia shares genetic risk factors with bipolar disorder and major depression, with these vulnerabilities being more significant in men than in women. This new study…

Stress Fuels Impulsive Behavior in Response to Boredom

Summary: Research shows a strong link between impulsivity, boredom, and stress, with highly impulsive individuals reacting more to boredom by releasing more of the stress hormone cortisol. This physiological response…