Psychology

A study has followed thousands of teenagers tracking associations between screen time and depression. The research separated types of screen time, and found TV and social media activity correlated with increased symptoms of depression, but video game and computer use had little negative effect.

A global study into the genetic origins of anorexia suggests the illness is not just a psychiatric condition but also a metabolic disorder. The research revealed metabolic genetic variants unique to those suffering from this chronic eating disorder, and not seen in other psychiatric conditions.

​For decades scientists have been exploring the minds of criminals and a new study is taking this research further than anyone has before, suggesting the brains of individuals that have committed murder are notably different from other criminals, both violent and non-violent​.

​A new study, analyzing real-life incidents caught on CCTV, challenges the long-held proposition that bystanders are generally passive, and will not help others in situations of public assault. It found bystanders do intervene in the vast majority of violent incidents that unfold in public spaces.​

Researchers believe they have homed in on a specific biomarker that can be linked to suicidal thoughts in subjects suffering from post-traumatic stress disorder (PTSD). The new study adds to a growing body of research into novel ways clinicians can identify patients at high risk of suicide.

According to a new study from ​Northwestern University, our preference for sweet or bitter beverages isn't so much about flavor, but about the psychoactive buttons these drinks push​ in our brains.

​Post traumatic stress disorder (PTSD) can be a very serious problem, and it unfortunately often goes undiagnosed. New technology could help, however, as it uses artificial intelligence to determine if someone has PTSD – based on their speech.

A thought-provoking study has presented a comparison between male and female serial killers. The sex differences in behaviors and crimes have been framed through a lens of evolutionary psychology suggesting our hunter-gatherer history has manifested differences between male & female serial killers.

A study examining the association between potent marijuana, frequency of use and psychosis has revealed a link between stronger marijuana and higher incidences of psychotic disorders. The research suggests limiting THC concentrations may reduce mental health issues associated with the drug.

The results of a new study suggest that listening to music can significantly impair your ability to perform creative tasks. Whilst music was found to disrupt creative processes, ambient "library noise" was found to have no significant effect.

​Daydreaming, or just letting your mind wander off from the current moment occupies our thoughts for a large part of every day. However, a study has revealed patients suffering from a kind of early-onset dementia may have lost the ability to do this and seem perpetually “stuck in the moment”.​

A meta-study has examined the correlation between depression in young adulthood and marijuana usage in adolescence. The research concludes a significant association between teen marijuana use and depression in later life, but experts suggest caution in determining if the relationship is causal.