Summary: A new study reveals that herpes simplex virus-1 (HSV-1), commonly known for causing cold sores, can travel through the nasal cavity directly to the brain, causing severe and lasting neurological symptoms. In animal experiments, nasal HSV-1 infection led to persistent neurological dysfunction, including anxiety and cognitive impairment.The researchers identified...

Summary: Viewing natural scenes can significantly reduce how people perceive pain, a new neuroimaging study has found. Researchers discovered that participants reported less pain and exhibited altered brain activity associated with pain perception while looking at virtual nature, compared to urban or office environments.Using advanced machine learning to analyze brain...

Summary: New research reveals dopamine has a previously unknown role: reshaping our memories of rewarding experiences. In a study using mice, scientists found dopamine helps reduce the perceived value of memories linked to rewards, altering future behavior toward those rewards.When mice recalled memories of sweet food while feeling unwell, dopamine...