Brainwaves are different in people who remember what they dream.
Do you remember the dreams you had or are you the kind of person who can never know what they dreamed at night? A group of crazy scientists recently discovered that people who remember what they dream tend to react more quickly when they hear their names while awake. Apparently these two seemingly different factors may be related.
The fact is that sometimes you remember your dreams, sometimes not. But why does this happen? A survey of 36 people was able to map their brain activities as they listened to music and occasionally their first names. This monitoring occurred both while they were sleeping and when they were awake.
Half to half
Salvador Dali painted dream scenes. Image Source: Playback / Reddit
Among the participants, half stated that they could always remember their dreams while the other half rarely remembered. Both groups of people had similar brain activities while sleeping and listening to their names. The difference in mental activity was noticed when people were awake, and the group that used to remember dreams produced an increase in the so-called alpha brain wave, while the forgetful ones did not.
According to neuroscientist Perrine Ruby, the difference in the production of these waves may reflect the variations in the brains of the "rememberers" and the forgotten, and this difference may be related to the way these people dream as well.
Ruby clings to a theory that holds that a reduction in these alpha waves means that some specific brain region is inhibited from responding to external stimuli. When you hear a sound as soon as you open your eyes, some regions of your brain become more active and alpha waves are reduced.
Image Source: YouTube
Among the people studied, it was noted that reminders have a large decrease in alpha waves when they hear their names as soon as they wake up, which may indicate that their brains are most active at this time. This means that reminders have more brain regions at work while they are sleeping - perhaps this is an indication of why they remember their dreams.
These waves, which vary in frequency and behave differently when a person hears a sudden sound, can be responsible for protecting us from the sounds we hear while sleeping, preventing us from waking up with every little noise. Ruby believes that reminders may be more sensitive to external sound and therefore wake up more easily - someone is more likely to remember what they dreamed if they woke up immediately after having a dream.
There are still no concrete answers that explain why a person remembers or not dreams they have at night, but these research seem to be important little things when it comes to neuroscience, since the brain is the most complex structure of the human body, precisely because its functioning is directly related to external, cultural and emotional factors.