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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. New therapeutic molecules show promise in reversing the memory loss linked to depression and aging. These molecules not only rapidly improve symptoms, but remarkably, also appear to renew the underlying brain impairments causing memory loss in preclinical models.
  2. Experts have shown for the first time that the way in which the activity of two brains is connected depends on whether the dialogue takes place in the native language or in a foreign language.
  3. Using a novel optogenetic tool, researchers have successfully controlled, reproduced and visualized serotonin receptor signals in neural cells. To this end, they modified a photosensitive membrane receptor in the eye, namely melanopsin. They were able to switch the receptor on and off using light; it also acted like a sensor indicating via fluorescence if specific signalling pathways in the cell had been activated. The sensor was, moreover, specifically designed to migrate to those domains in the neural cells that are sensitive to the neurotransmitter serotonin.
  4. Cannabis is the most commonly used recreational drug by teenagers worldwide. In Canada, among youth aged 15 to 19 years, the rate of past-year cannabis use is 20.6 percent, while in England, 4 percent of adolescents aged 11 to 15 years used cannabis in the last month.
  5. In a randomized, controlled pilot trial, researchers found that participants pre-treated with noninvasive vagus nerve stimulation experienced less pain after heat stimulus than mock-treated participants.
  6. New research suggests that the relationship between physical and brain fitness varies in older adults by virtue of their sex.
  7. Researchers have established a correlation between depression and a group of neurotransmitter-producing bacteria found in the human gut.
  8. Researchers from Cardiff University have established a link between a genetic mutation and developmental movement impairments in autism.
  9. The neural 'time windows' in certain small brain areas contribute to the complex cognitive symptoms of autism, new research suggests. In a brain imaging study of adults, the severity of autistic symptoms was linked to how long these brain areas stored information. The differences in neural timescales may underlie features of autism like hypersensitivity and could be useful as a future diagnostic tool.
  10. Coexisting medical conditions, psychiatric disorders, heavy smoking and illicit drug use may explain the increased risk for heart disease among veterans with PTSD.