Published On: Mon, Mar 28th, 2016

Users of Marijuana respond another way to social exclusion



A new research study has revealed that the brains of juvenile adult marijuana users respond in another way to social exclusion than the non-users, they further stated that juvenile adults who frequently employ marijuana exhibit changed brain activation patterns all through social exclusion.

The brains of juvenile adults who use marijuana in smoking two to four times a week were fewer probable to respond to social exclusion than the brains of non-users. Jodi Gilman, who is a lead author of the study and assistant professor at Harvard Medical School in US, stated that “Peer groups are one of the most important predictors of young adult marijuana use, and yet we know very little about the neural correlates of social rejection in those who use marijuana,”

All through peer denial, juvenile adult marijuana users decreased activation in the insula, a brain area generally energetic through social rejection, which may replicate the damaged procedure of social information in marijuana users. Decreased action in the insula to peer denial could point out that marijuana users are fewer alert of social values, or have decreased ability to replicate or respond to negative social conditions. Gilman further noted that “The unexpected reduction in insula response may indicate that marijuana users are less conscious of social norms or have reduced ability to reflect on negative social situations,”

The results were cited in the journal Biological Psychiatry: Cognitive Neuroscience and Neuroimaging.

The group of researchers held an attractive resonance research study employing a Cyberball task, a computerized instrument that is normally employed to get people’s response to social exclusion, for example, a refusal or ostracism, where contributors played a computerized game of catch whereas undergoing a non-invasive brain scan. They registered 42 juvenile adults aged 18-25, from which 20 accounted employing marijuana two to four times a week and 22 accounted no latest marijuana use.

Unfamiliar to the research study members, the other “players” in the game were computers and were programmed to eliminate them for a part of the game.

They emphasized on three brain areas of members that earlier research studies have connected with the reaction to social exclusion, the anterior insula, the ventral anterior cingulate cortex (vACC) — the area included in decision-making and emotional regulation and controls physiological procedures, for example blood pressure and heart rate and the orbitofrontal cortex (OFC), the area included just in decision-making.

The research team discovered that for the in command group of non-marijuana users, there was activation in the vACC and the insula through the elimination part of the game. In support of the users, the researchers discovered activation in the vACC but none in the insula. The researchers noted no important action in the OFC in both groups.

Further research is important to take the progress trajectory of this changed social procedure and decide whether harm procedure of social elimination is reasoned by, is a consequence of, or increase together with marijuana exercise, the researchers ended.

About the Author

Sidra Muntaha

- Sidra Tul Muntaha is a journalist (MA-Mass Communication and M.Phil in Mass Communication) based in Lahore. She is working as an editor at fashion, style and entertainment in the section of the Kooza. She writes fashion and entertainment articles for The Kooza News.