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Science Daily Psychology News

Learn about the brain, behavior and health. Read health articles on intellectual development, brain abnormalities, and mental health. Updated daily.
  1. A new, highly accurate MRI technique can monitor iron levels in the brains of multiple sclerosis (MS) patients and help identify those at a higher risk for developing physical disability, according to a new study.
  2. Childhood adversity permanently alters the peripheral and central immune systems, increasing the sensitivity of the body's immune response to cocaine, reports a new study.
  3. New research on how cannabis use alters eating behavior could lead to treatments for appetite loss in chronic illness, according to experts. Using a new procedure to dose lab rats with cannabis vapor, the researchers found how the drug triggers hunger hormones. They also identified specific brain regions that shift to 'hungry' mode while under the influence.
  4. Scientists have discovered that a small group of brain cells in the hypothalamus called 'orexin' neurons could be a promising target for medications for controlling binge eating episodes in individuals with obesity. These neurons, named for the chemical messenger they use to communicate with other brain cells, have previously been shown to be important for addiction to several drugs, including cocaine.
  5. A simple instruction to change your thinking as mealtime approaches can help cut calories, according to new research. By encouraging study participants to concentrate on different types of information when planning their meal, the experimenters saw portion sizes shift. Adopting a health-focused mindset produced better outcomes than focusing on pleasure or the desire to fill up.
  6. Scientists examined positions to detect motor and target errors and whether error signals from these positions were used for learning, finding that the parietal lobe detected causes of motor errors in arm reaching and provided signals to compensate for errors. They also revealed that Brodmann area 5 detected the self-generated motor error and that Brodmann area 7 detected target error caused by target movements, both providing error signals for adaptation.
  7. Children with autism have structural and functional abnormalities in the brain circuit that normally makes social interaction feel rewarding, according to a new study from the Stanford University School of Medicine.
  8. Researchers have tested a new method for directly measuring synaptic loss in individuals with Alzheimer's disease. The method, which uses PET imaging technology to scan for a specific protein in the brain linked to synapses, has the potential to accelerate research for new Alzheimer's treatments, the researchers said.
  9. White adolescent boys experiencing early puberty are at higher risk for substance use than later developing boys, a new study finds.
  10. One major problem with understanding Alzheimer's is not being able to clearly see why the disease starts. A super-resolution 'nanoscope' now provides a 3D view of brain molecules with 10 times greater detail. This imaging technique could help reveal how the disease progresses and where new treatments could intervene.