Studies show that silence helps trigger the development of new brain cells, which develop into functional neurons. The hippocampus which is responsible for learning and processing emotions and memory; shows newly developed cells after exposure to silence.
Some people believe that silence relaxes the brain too much, whereby it may become unproductive. However, if you are in a totally silent environment the brain is still busy processing thoughts. It is also busy evaluating information.
You would have experienced this, by silently pondering and reflecting on past events. This is when your brain is not distracted by noise. This is when it can process information smoothly.
Noises stresses the brain and the body. Noise can have a negative impact on the brain. This is a result of the body releasing the stress hormone cortisol. Experts believe that the amygdala , which is situated within the brains temporal lobes; is constantly activated through the chronic production of the stress hormones.
The amygdala is the part of the brain that processes memories and emotions. Therefore, an individual living in a noisy environment is more likely to produced high levels of cortisol. It can cause distress both physically and mentally as a result of constantly induced brain activity.
Silence releases stress from the body. If noise is a problem then silence is a solution. The findings of a study that was published in the heart journal showed that two minutes of silence produced more relaxation benefits than a person listening to two minutes of music.
Noise harms cognitive functioning in the brain. Noise is harmful to a persons productivity and performance. It decreases motivation. It increases the tendency to make mistakes. Noise can have an adverse impact on the brains cognitive functioning and affects the brains ability to process memory, focus and to solve essential problems.
Noise increases risk of illness. Experts have figured out high levels of blood pressure linked to noise. Chronic exposure to noise from airports or highways. It is also linked to higher rates of heart disease, sleep loss and tinnitus.
Cortisol increasing in the body do to high levels of blood pressure and putting more stress on the body, significantly strains your body’s entire system. This results in in a high heart rate and constricting blood vessels. This is a precursor for developing heart disease.
This can also increase the risk of developing anxiety and depression. Also, unwanted behaviors of anger and or aggression.
To better understand the noise on our heart health, a study showed that being exposed to persistent noise greater than 65 decibels , affected the cardiovascular system.
65 decibels is the background noise in a restaurant. 86 decibels is approximately the noise a blender would create.
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