Researchers at Columbia University Irving Medical Center (CUIMC) and New York State Psychiatric Institute (NYSPI) found that people with schizophrenia who experience auditory hallucinations tend to hear what they expect, an exaggerated version of a perceptual distortion that is common among other people without hallucinations. The researchers found that elevated dopamine could make some patients rely more on expectations, which could then result in hallucinations.
A drug used to slow cognitive decline in Alzheimer's disease could offer clues on how drugs might one day be able to reverse brain changes that affect learning and memory in teens and young adults who binge drink.
The study, newly published in the journal of Neurobiology of Learning and Memory, finds that running mitigates the negative impacts chronic stress has on the hippocampus, the part of the brain responsible for learning and memory.
Learning techniques to help manage stress may help people with epilepsy reduce how often they have seizures, according to a study published in the Feb. 14, 2018, online issue of Neurology®, the medical journal of the American Academy of Neurology.
Steve Maren, the Claude H. Everett Jr. '47 Chair of Liberal Arts professor in the Department of Psychological and Brain Sciences at Texas A&M University, and his Emotion and Memory Systems Laboratory (EMSL) have made a breakthrough discovery in the process of fear relapse.
Indiana University researchers scanned the brains of individuals with alcohol abuse disorder and found that the neurotransmitter glutamate may play a role in some addiction cravings.
Although it has been known that alterations in the connections between neurons in the brain likely play a role in alcohol dependence and other addictions, the cause-and-effect between these brain alterations and behavior has been less clear.
With states rapidly legalizing cannabis for medicinal and recreational use, physicians will be increasingly pressed to counsel patients on their frequency of use and dosage, as well as associated risks. The special report in the JAOA aggregates what is known to help physicians give the best evidence-based recommendations.
Study results may provide mechanism to make opioids safer and more efficient.
Two new studies look at the effects of stopping the newer, stronger drug natalizumab for multiple sclerosis (MS) during pregnancy. Natalizumab is generally prescribed for people with MS who have not responded to or cannot tolerate other treatments for MS as it can have a rare but potentially fatal side effect.