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MONDAY, April 1, 2019 (HealthDay News) -- Need a quick pick-me-up? Just thinking about a cup of joe can give you a mental boost, researchers say.
"Coffee is one of the most popular beverages and a lot is known about its physical effects," said study co-author Sam Maglio, associate professor of management at the University of Toronto. "Much less is known about its psychological meaning -- in other words, how even seeing reminders of it can influence how we think."
But Maglio said just looking at things that call coffee to mind can arouse a java junkie's brain. It's all due to what he called priming, in which exposure to cues about something can affect thoughts and behavior.
"People often encounter coffee-related cues, or think about coffee, without actually ingesting it," Maglio said in a university news release. "We wanted to see if there was an association between coffee and arousal such that if we simply exposed people to coffee-related cues, their physiological arousal would increase, as it would if they had actually drank coffee."
Arousal refers to the way specific brain areas get activated into a state of being alert, awake and attentive, according to the researchers. The trigger can be emotions, neurotransmitters in the brain -- and even the caffeinated beverages we favor.
To check it out, Maglio and fellow University of Toronto researcher Eugene Chan compared coffee- and tea-related cues among participants from Western and Eastern cultures.
Those exposed to coffee-related cues perceived time as shorter and thought in more concrete, precise terms. Subjective and physiological arousal probably explains these effects, according to the study.
But everyone didn't get the same boost. Coffee-related cues did not provoke as much arousal for participants from Eastern cultures, probably because they are not coffee-dominated cultures, Maglio said.
"In North America we have this image of a prototypical executive rushing off to an important meeting with a triple espresso in their hand. There's this connection between drinking caffeine and arousal that may not exist in other cultures," he said.
The study was published in the April issue of the journal Consciousness and Cognition.
Next up: Researchers will examine associations people have for different foods and beverages.
The American Heart Association looks at coffee and your health.
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Updated on May 27, 2022