Your Psychology Psychology articles and news

Using chimeric — or mirror — images, researchers have determined that one half of Mona Lisa’s smile displays happiness while the other half is neutral reflecting a non-genuine emotion.

Physical fitness is associated with a number of key health outcomes, including heart disease, cognition, mortality, and an overall feeling of well-being. A new study now links physical performance with mental health and emotions, suggesting that weak u…

A new computational method will allow scientists to measure the effects of chronic inflammation on energy availability and effort-based decision-making. The method may yield insights into how chronic, low-grade inflammation contributes to motivational …

Children can keep full visual perception — the ability to process and understand visual information — after brain surgery for severe epilepsy, according to a new study. A study of children who had undergone epilepsy surgery suggests that the lasting …

With the help of the common fruit fly (D. melanogaster), which ages quickly because it only lives about 60 days, neuroscientists provide insights into healthy aging by investigating the effects of a foraging gene on age and stress tolerance.

The antidiabetic medication metformin reduces anxiety-like behaviors in male mice by increasing serotonin availability in the brain, according to a new study. These findings could have implications for the treatment of patients with both metabolic and …

A new study identifies patients more likely to have underlying lesions from brain-bleeds, a finding that could help doctors treat the condition more rapidly.

Researchers in Norway have discovered a clear connection between oral health and Alzheimer’s disease.

A person may laugh in their sleep due to odd dreams or sleep disorders. Rarely, the cause is a neurological condition. Sleep laughing can also be normal, especially in babies. Learn more about laughing during sleep here.