Brain Associated with the First Name to Recall Dreams

Do you have any idea about how you remember your dreams? 
A new study has linked a propensity to remember dreams to a stronger neurological reaction to hearing the sound of your first name i.e.  both when you're awake and asleep.

Brain Associated with the First Name to Recall Dreams

Researchers of the Lyon Neuroscience Research Centre divided 36 subjects into two groups, firstly, high dream recallers who frequently remembered their mental nighttime escapades, and secondly, low dream recallers who only remembered their dreams once or twice a month. 
For every participant, brain activity that occurred when they heard their first name was recorded both during sleep and while they were awake.

The latest study measured the oscillation activity of brain waves and discovered that high recallers exhibited a deeper processing of complex sounds, which supported the hypothesis of neurophysiological trait differences in high and low dream recallers.

Researchers had anticipated that high dream recallers might well have stronger responses to hearing the names while they were sleeping, but did not expect to discover that they also exhibited stronger reactions during wakefulness.

High recallers are more reactive to the environment than low recallers. The brainwave associated with attention orienting is larger in the high recallers, as if they are much more attracted and attentive to the external environment. Low recallers had a smaller wave, which could be associated with a greater ability to be consumed by a task and to resistant to differences. So it's two different waves, which may have advantages according to the context.

High recallers were also discovered to experience more intra-sleep wakefulness -- about 30 minutes per night -- than low recallers who on average experienced around half this amount. Both of these fall within the normal range for the amount of disturbance people experience during their complex nightly sleep patterns, but it does suggest that high recallers are more likely to respond to stimuli around them at night.

Some people remember more dreams than others, this is because that there is still no way of telling for sure exactly whether people can't recall dreams because of their memories, or because they haven't been dreaming at all.

 "Some subjects do remember much more about their dreams than others, but in addition to this, maybe there is also an issue of production," says Ruby. 
At whole, the results suggest that the functional organisation of the way the brain processes information is different in each group, both during wakefulness and sleep. Greater brain reactiveness during sleep causes high recallers to wake more frequently, "facilitating the encoding of the dream in memory".

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Write by: RC - Wednesday, August 14, 2013

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