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Playing Tetris can block food, drug cravings

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Press Trust of India London
Last Updated : Aug 14 2015 | 2:23 PM IST
Playing Tetris on a smartphone for as little as three minutes can weaken cravings for drugs, food and activities such as sex and sleeping by as much as one-fifth, a new research has found.
In the first test of its kind to study people in natural settings outside of a laboratory, participants were monitored for levels of craving and prompted to play the block-shifting puzzle game at random intervals during the day.
Psychologists from Plymouth University, UK, and Queensland University of Technology, Australia, found that playing Tetris interfered with desires not only for food, but also for substances categorised as drugs, including cigarettes, alcohol and coffee, and other activities.
The benefits of playing Tetris were maintained over the seven-day study period.
In a report published in the international journal Addictive Behaviors, the researchers said playing the game could help people to manage their cravings, and they have recommended further research, including testing people dependent on drugs.
"Playing Tetris decreased craving strength for drugs, food, and activities from 70 per cent to 56 per cent," said Professor Jackie Andrade, from the School of Psychology and the Cognition Institute at Plymouth University.

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"This is the first demonstration that cognitive interference can be used outside the lab to reduce cravings for substances and activities other than eating.
"We think the Tetris effect happens because craving involves imagining the experience of consuming a particular substance or indulging in a particular activity.
"Playing a visually interesting game like Tetris occupies the mental processes that support that imagery; it is hard to imagine something vividly and play Tetris at the same time," said Andrade.
During the experiment, 31 undergraduates, aged 18-27, were prompted seven times a day via text message to report on any cravings they were feeling. They were also encouraged to report cravings proactively, independently of the prompts.
Fifteen members of the group were required to play Tetris on an iPod for three minutes, before reporting their craving levels again.
Craving was recorded in 30 per cent of occasions, most commonly for food and non-alcoholic drinks, which were reported on nearly two-thirds of those occasions.
Twenty-one per cent of cravings were for substances categorised as drugs, including coffee, cigarettes, wine and beer, and 16 per cent were for miscellaneous activities such as sleeping, playing videogames, socialising with friends, and sexual intercourse.
Food cravings tended to be slightly weaker than those in the other categories.
"The impact of Tetris on craving was consistent across the week and on all craving types," said Professor Jon May, also of Plymouth University.
"People played the game 40 times on average but the effect did not seem to wear off," May said.

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First Published: Aug 14 2015 | 2:23 PM IST

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