New findings reinforce the idea that dementia with Lewy bodies can be pathologically classified as two different and distinct disease types.
The habenula relays external information, such as sight and smell, along with internal states associated with emotion and learning to brain regions that govern adaptive behaviors.
Researchers have identified a specific node in the brain of mice that regulates vocalizations in response to social situations. If a similar location could be found in the human brain, researchers say it could potentially lead to new insight into social dysfunctions associated with autism and depression.
Researchers have identified a novel neurotransmitter system in the brain. The system signals transmission of innate olfactory information to areas of the brain associated with emotional processing via the TAAR5 receptor. The findings could help in the development of new treatments for depression and schizophrenia.
A shot of the reproductive hormone kisspeptin enhances brain activity in response to olfactory and visual cues of attraction in men. The findings reveal a previously undescribed attraction pathway in humans activated by the hormone and identify kisspeptin signaling as a potential therapeutic pathway for psychosexual and reproductive disorders.
While the risks of developing depression, anxiety disorders, and psychosis are significantly higher for urban dwellers, researchers report there are some positive impacts on mental health for those who live in big cities.
Men with alcohol use disorder have diminished brain activity in areas associated with emotional processing, memory and social processing, compared to women with AUD. The findings may lead to gender-specific treatments to help relieve addition to alcohol.
For some, insomnia may be caused by failing to neutralize emotional distress. Researchers speculate the sleep disorder could be caused by brain circuits that regulate emotion.
Researchers have uncovered a mechanism in the BNST that senses the negative effects of alcohol and modulates the urge to drink. The study reports that when this mechanism doesn't function correctly, we lose the ability to recognize that we have had enough to drink.