Researchers have uncovered the neural mechanism underlying rumination. The study reports when rumination occurs, coupling between the core and medial temporal lobe subsystems of the default mode network becomes elevated, while coupling between the core and dorsomedial prefrontal cortex decreases. Read More
Cortical thickness and regional brain connectivity pay an equally important role in linking brain and behavior. Read More
Examining the brains of frequent cannabis users, researchers have identified a pattern of connectivity related to craving the substance. The findings add weight to the idea that brain regions do not work in isolation, but via the connectivity of multiple networks that signal to each other depending on state and need. Brain connectivity during cannabis cravings is not static but has fluctuations in connection patterns between the central executive network and nucleus accumbens. Read More
Patterns of functional connectivity reliably predict when people were more or less focused on a task. Read More
The strength of the brain's global signal fluctuation decreases as the day progresses. Read More
Binaural beats, a form of auditory illusion, caused far apart brain regions to synchronize with each other at a different frequency than the beat. The auditory illusion did not, however, alter mood. Read More
Genetics testing revealed those with a greater susceptibility to stress have at least one copy of a variation in the serotonin transporter gene. Additionally, changes to connections in the middle temporal gyrus related to changes in cognitive performance during stress. Read More
Functional connectivity in the human brain changes in two distinct ways during adolescence. Read More
Two new neuroimaging studies shed light on structural and functional abnormalities in the brains of those with major depressive disorder. Read More
New findings dispute the popular cerebellar deficit hypothesis of dyslexia. Researchers report the cerebellum is not engaged during reading in typical readers and does not differ in children with dyslexia. Read More
Neuroimaging can be used to assess a person's risk of suicidal behavior. Those with mood disorders, a history of suicidal thoughts, and those with a history of suicide attempts have less connectivity in the cognitive control network. They also have reduced connectivity between the cognitive control network and the default mode network. Read More
Experiencing an income drop of 25% or more impacts brain health and cognitive ability during middle age. Read More