Music training sessions may be good stress busting activity, and it is the kind of music but the tempo that affects the cardiovascular changes in the heart.
The findings, published ahead of print in Heart, are based on various aspects of breathing and circulation, in 24 young men and women, taken before and while they listened to short excerpts of music.
AdvertisementHalf of those taking part were trained musicians, who had been playing instruments for at least seven years. The remainder had had no musical training.
Each participant listened to short tracks of different types of music in random order, for 2 minutes, followed by the same selection of tracks for 4 minutes each. A 2 minute pause was randomly inserted into each of these sequences. Participants listened to raga (Indian classical music), Beethoven's ninth symphony (slow classical), rap (the Red Hot Chilli Peppers), Vivaldi (fast classical), techno, and Anton Webern (slow "dodecaphonic music").
Faster music, and more complex rhythms, speeded up breathing and circulation, irrespective of style, with fast classical and techno music having the same impact. But the faster the music, the greater was the degree of physiological arousal. Similarly, slower or more meditative music had the opposite effect, with raga music creating the largest fall in heart rate.
But during the pauses, all the indicators of physiological arousal fell below those registered before the participants started to listen to any of the tracks.
This effect occurred, irrespective of the musical style or preferences of the listener, but was stronger among the musicians, who are trained to synchronize their breathing with musical phrases.
Passive listening to music initially induces varying levels of arousal, proportional to the tempo, say the authors, while calm is induced by slower rhythms or pauses. The researchers suggest that this could therefore be helpful in heart disease and stroke.
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