Our weekly roundup of the best psychology coverage from elsewhere on the web
There is a popular belief that eating cheese before bed can trigger strange dreams. But there is no evidence that this is true, writes Jessica Brown at BBC future. The belief may have originated from the fact that cheese is sometimes eaten as the last course of a meal and that eating late can disturb our sleep.
In English, we tend to combine nonsensical words like “bouba” with rounded shapes and words like “kiki” with pointed shapes. But now researchers have found that this phenomenon occurs in many different languages and writing systems. reports Cathleen O’Grady at science. Research suggests that as the spoken language evolved, the sounds of words in some way corresponded to their meaning.
Also at science: a video about the rare sleep disorder idiopathic hypersomnia, where people can sleep late without feeling rested. Joel Goldberg examines the possible causes – and treatments – for the disorder.
We consider self-control as a human quality – but it has also been observed in birds, write researchers John Quinn and Jenny Coomes at The conversation. The couple found that great tits that showed better self-control, for example, were also able to better adapt their foraging behavior to the situation. They also found links between personality and foraging: the birds that showed a tendency to explore new environments also took more risks to get to a better source of food.
Why do so many people believe in ghosts? at BBC Science Focus, Stephen Kelly speaks to Richard Wiseman about the power of human creativity and belief.
Recently, Tourette-like tics have increased in young women, and some researchers believe the phenomenon is related to exposure to influencers on TikTok and other platforms linked to the stress of the pandemic. But that doesn’t mean these tics aren’t real, Sirin Kale credits The guard, and many young people with the disease are struggling to get the psychological support they need.
In 2018 the World Health Organization published the 11th revision of its International Classification of Diseases (ICD-11), which included “gambling disorder” as an addictive behavior. However, psychologists studying video games are frustrated that WHO will not explain the reasons for including gaming disorder in the manual, reports Will Nelson of the NME, and say current research does not support the WHO’s decision.
Compiled by Matthew Warren (@MattBWarren), Editor of BPS Biomedarticles