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How unprocessed trauma is stored in the body
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Untreated trauma and its negative effects
All individual who has ever dealt with trauma knows that healing can take a lot of time if it eventually happens. Untreated trauma seems to leave scars on our brain, altering the way we perceive new experiences. Furthermore, having dealt with trauma makes us more prone to serious health conditions.
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Trauma changes our brain
After having experienced trauma, our brain can not function properly anymore, at least for a while.
Among the negative effects that trauma leads to there is the risk of developing physical illnesses or the so-called Post-traumatic stress disorder.
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Post-traumatic stress disorder
When dealing with PTSD, the three parts of our brain, which are responsible for processing stress, suffer changes: the hippocampus, the amygdala function and the prefrontal/ anterior cingulate function.
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Overcoming trauma
Trauma leaves marks on both our body and our brain. However, these scars do not have to last forever.
In order to heal from a traumatic experience, one can try therapy, meditation and physical activity. All of these work wonders and result in an almost full recovery of the individual.
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The human brain vs. the computer
When we contemplate which has more problem-solving power, the brain or the computer, we might think that the modern computer would come out on top. Indeed, computers have been built and programmed ...
Advantages of computers
Comparing the computer and the brain has been instructive to both computer engineers and neuroscientists.
- Computers are faster with basic operations, at a speed of 10 billion operations per second, while the brain can perform at about a thousand basic operations per second.
- The computer has considerable advantages in the precision of basic operations. A 32-bit computer has a precision of 1 in 4,2 billion, while the brain has a precision of 1 in 100 at best.
Serial and parallel processing
The brain is not slow nor imprecise in performing calculations.
For example, a professional tennis player can follow the trajectory of a tennis ball after it is served at speed as high as 160 miles per hour, move to the best spot, position his arm, and swing the racket to return the ball within a few hundred milliseconds. It can accomplish all these tasks with power consumption about tenfold less than a personal computer.
This is all possible because the brain employs serial and parallel processing, while computer tasks are mainly performed in serial steps.
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The different kinds of memories
We hold on to different kinds of memories.
- Short-term memories last seconds to hours and long-term memories last for years.
- We also have a...
Where your brain keeps memories
By studying people with amnesia, it seems that short-term and long-term memories don't form in precisely the same way, nor do declarative and procedural memories.
- Emotional responses such as fear occur in a brain region called the amygdala.
- Memories of learned skills are associated with the region called the striatum.
- The hippocampus is essential for forming, retaining, and recalling declarative memories.
- The temporal lobes play a critical role in forming and recalling memories.
How we experience memories
Memories are held within groups of neurons called cell assemblies. They fire as a group in response to a specific stimulus, such as recognising your friend's face.
The more neurons fire together, the more the interconnection of the cells strengthen. We experience the nerves' collective activity as a memory.
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47/times a day
...is the number we check our phones on a daily basis.
And nearly double that if we’re between the ages of 18 and 24.
2 kinds of memories
- explicit, created through conscious experience;
- implicit, which form when past experiences affect us, sometimes without our knowledge.