Tag

Frontal Cortex

All articles tagged with #frontal cortex

health11 days ago•28 min saved

Chronic cannabis use linked to thinner frontal brain region and reduced motivation, study finds

A study of 46 adults with long-term daily cannabis use (average about a decade; at least five years of daily use) found thinning of the right rostral middle frontal cortex on MRI, a region involved in planning and executive function. Researchers say such changes may be tied to reduced motivation and difficulty with complex tasks, but caution that causation isn’t proven and more research is needed to determine permanence or reversibility after stopping use.

via Daily Mail|

#brain #cannabis #executive-function

science1 month ago•4 min saved

Tiny brain zap nudges people toward generosity, study finds

In a University of Zurich study, 44 volunteers received non-invasive electrical stimulation to the frontal and parietal brain areas while deciding how to split money. When stimulated simultaneously, participants showed a modest but consistent increase in generosity toward an anonymous partner, though effects were short-lived and would require repeated sessions for longer-term change. Researchers say this demonstrates a causal link between these networks and altruistic choices and could inform treatment of social-behavior disorders, with ethical safeguards in place.

via BBC|

#altruism #brain-stimulation #decision-making

neuroscience1 year ago•5 min saved

Mental Fatigue Linked to Increased Aggression and Emotional Control Loss

A study by the IMT School of Advanced Studies Lucca reveals that prolonged mental fatigue can lead to increased aggression and uncooperative behavior due to "local sleep" patterns in the brain's frontal cortex, which is crucial for decision-making. EEG scans showed that fatigued individuals exhibited sleep-like brain activity, supporting the concept of "ego depletion." This suggests that mental exhaustion can negatively impact decision-making, affecting personal interactions and negotiations.

via Neuroscience News|

#aggression #decision-making #ego-depletion

health2 years ago•3 min saved

"Disrupted Brain Connections in ADHD Youth"

A study re-analyzed fMRI images from over 1,600 youths with ADHD and found elevated brain activity connecting the frontal cortex with subcortical regions and the amygdala, which helps process emotions. These differences in brain connectivity were consistent across various demographics and mental health conditions. Understanding these altered brain connections could lead to new approaches for treating ADHD, which is a complex condition with many other changes in brain connectivity playing a role.

via National Institutes of Health (NIH) (.gov)|

#adhd #brain-connectivity #fmri

neuroscience2 years ago•4 min saved

"Unusual Brain Connectivity Patterns Linked to ADHD in Neuroimaging Study"

A large-scale neuroimaging study led by the NIH has revealed distinctive patterns of brain connectivity in youths with ADHD, particularly involving heightened interactions between deep brain structures and frontal areas responsible for attention and behavioral control. The study, analyzing nearly 10,000 brain images, provides new insights into the neurological underpinnings of ADHD and offers potential avenues for future research and treatments. While the findings align with existing models of the disorder, the study also highlights the complexity of ADHD's neurobiological mechanisms and the need for further longitudinal and genetic investigations.

via PsyPost|

#adhd #brain-connectivity #frontal-cortex