Wednesday 6 November 2013

#430 How Mindfulness Meditation Practice Improves Executive Function

     "Rimma Teper has always found her meditation sessions relaxing and therapeutic. Now, as a doctoral candidate in psychology at UTSC (University of Toronto, Scarborough College), she’s helping to understand why meditation is also good for boosting self-control.
     Compared to non-meditators, those who meditate show more self-control, Teper has discovered in her research. This is linked to their awareness and acceptance of their emotions. '[Meditators are] attuned to their own emotions,' Teper says.
     'They’re aware of how they’re feeling and they’re also good at regulating their emotions. The results suggest these traits account for the better self-control we see in meditators.'
     Teper was interested in a manifestation of self-control that psychologists call 'executive function' — the ability to pay attention to appropriate stimuli and react appropriately. It’s what keeps us studying when we’d rather watch TV, or forces us to go outside for that morning jog instead of going back to sleep. Earlier studies had shown that meditators exhibited higher levels of executive function than non-meditators, but the reason for this still had to be pinned down.
     Most meditation traditions emphasize two major practices: awareness of the present moment, and acceptance of emotional states. Teper suspected that emotional acceptance was the key to the better self-control.
     To test her premise, Teper gave the meditators and non-meditators in her study a test that required high executive control. She then measured their error-related negativity (ERN), which generates an electrical signal in the brain within 100 milliseconds of an error being committed during a task, well before the conscious mind is aware of the error. 'It’s kind of like an ‘uh-oh’ response, or a cortical alarm bell,' Teper says.
     The meditators did better at the task than the non-meditators and also had stronger ERNs. What’s even more interesting is that the meditators who did best on the test were the ones who tested highest for emotional awareness. Since ERN triggers a negative feeling that motivates people to do better, meditators may be more aware of that feeling and therefore quicker to improve.
     'Meditators are attuned to their emotions. They’re also good at regulating their emotions,' says Teper. '[This] fits well with our results.'

       by Kurt Kleiner - UTSC Commons Fall 2013

       Teper R, Inzlicht M. Meditation, mindfulness and executive control: the importance of emotional acceptance and brain-based performance monitoring. Soc Cogn Affect Neurosci 2013; 8(1): 85-92.

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