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…
Category: Psychology
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,…
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…
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…
New Brain Stimulation Target Could Treat PTSD
Summary: A new study suggests that neurostimulation targeting specific brain circuits may help treat PTSD in veterans. Researchers found that veterans with damage to brain areas connected to the amygdala,…
