Researchers report bile acids play a key role in providing positive metabolic effects after weight loss surgery. The study also suggest the intestinal microbiome participates in post surgical improvements following gastric bypass. The findings could help develop new treatments for diabetes and obesity, researchers report.
Vanderbilt researchers report elderly people whose hearts pump less blood have reduced blood flow in the temporal lobe. Previous studies report the temporal lobe is a critical brain area for the development of Alzheimer's disease.
According to researchers, Alzheimer's disease may be more prevalent in women, not simply because they live longer on average, but due to the APOE E4 gene. Researchers found the APOE association was greater for women in the Tau pathway than in men. However, there was no difference between APOE expression in the amyloid pathway in women compared to men.
A group of neurons located in the basal ganglia appears to play a vital role in cognitive flexibility.
Hippocampal HCN channels are more highly expressed in people with major depressive disorder. Antidepressants that increase cAMP signaling interfere with TRIP8b's ability to bind to HCN channels, helping to restore cognitive ability in those with MDD.
Researchers report brain stimulation to different parts of a specific brain network can change perceptions of free will.
Object and facial recognition abilities are associated with the same brain area but are characterized by different depths of cortical layers, which form at the age each ability was acquired.
Study reveals evidence of rising feelings of despair in Generation X'ers reaching middle age that cuts across racial, educational and geographical divides.
Ketamine's rapid antidepressant action is due to specific synaptic effects, researchers report.