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Showing posts with label Brain. Show all posts
Showing posts with label Brain. Show all posts

Tuesday, May 24, 2011

How to Trick The Brain Into Not Feeling Pain


If it hurts a hand, crossing both arms in front of you to confuse the brain and relieve pain.

According to scientists at the University of London (UCL) in this way the brain is fooled about where the pain occurs.

As stated by the study, published in the journal Pain, this is because when you put your hand on the "wrong" interferes with the sensory perception of pain.

For some time several research teams are investigating ways to confuse the brain.

UCL researchers conducted an experiment with 20 people.

They used a laser to generate a twinge of pain with four milliseconds in the hands of the participants, without touching them.

Each person rated the pain intensity felt while measured the electrical responses of the brain using electroencephalography (EEG).

The results of both reports by participants as the EEG showed that pain perception was weaker when the arms were crossed on the "median line" imaginary vertically through the center of our body.

Dr. Giandomenico Iannetti, who led the study, said that the reason for this is conflicting information between two maps of the brain that used for the body and used for the external space.

"In everyday life usually use the left hand to touch things on the left side in external space and the right hand for things right outer space," explains the scientist.

"For example, if we take a glass of water located in our right side we often use the right hand."

"These two maps are used to working together to produce sound pulses in response to stimuli. When we cross our arms, the two maps are mismatched and weakens the processing of sensory information, resulting in less pain," he adds.

According to the scientist, the discovery could lead to new clinical therapies to treat pain that exploit this confusion from the brain to represent the body.

As stated by Dr. Iannetti, "maybe next time we get injured, we should not only touch the wound but also cross our arms."

Researchers are now testing this theory in patients with chronic pain disorders.

A spokesman for the Foundation for Pain Relief in the UK states that are currently being carried out much research to try to find ways to confuse the brain interfering with pain messages.

Sunday, May 22, 2011

How to Trick The Brain Into Not Feeling Pain


If it hurts a hand, crossing both arms in front of you to confuse the brain and relieve pain.

According to scientists at the University of London (UCL) in this way the brain is fooled about where the pain occurs.

As stated by the study, published in the journal Pain, this is because when you put your hand on the "wrong" interferes with the sensory perception of pain.

For some time several research teams are investigating ways to confuse the brain.

UCL researchers conducted an experiment with 20 people.

They used a laser to generate a twinge of pain with four milliseconds in the hands of the participants, without touching them.

Each person rated the pain intensity felt while measured the electrical responses of the brain using electroencephalography (EEG).

The results of both reports by participants as the EEG showed that pain perception was weaker when the arms were crossed on the "median line" imaginary vertically through the center of our body.

Dr. Giandomenico Iannetti, who led the study, said that the reason for this is conflicting information between two maps of the brain that used for the body and used for the external space.

"In everyday life usually use the left hand to touch things on the left side in external space and the right hand for things right outer space," explains the scientist.

"For example, if we take a glass of water located in our right side we often use the right hand."

"These two maps are used to working together to produce sound pulses in response to stimuli. When we cross our arms, the two maps are mismatched and weakens the processing of sensory information, resulting in less pain," he adds.

According to the scientist, the discovery could lead to new clinical therapies to treat pain that exploit this confusion from the brain to represent the body.

As stated by Dr. Iannetti, "maybe next time we get injured, we should not only touch the wound but also cross our arms."

Researchers are now testing this theory in patients with chronic pain disorders.

A spokesman for the Foundation for Pain Relief in the UK states that are currently being carried out much research to try to find ways to confuse the brain interfering with pain messages.

Monday, April 18, 2011

How Does The Emotional Brain?


The rational part of the brain only uses 10% of it, while the emotional part uses the remaining 90%, this makes it essential to education of the emotions.

During the nineties of the last century, neuroscientist Joseph LeDoux showed the domination of the emotional brain, the rational brain in certain situations.

According to the neurologist Antonio Damasio, when the brain makes decisions in order to regulate emotional balance that affects the entire body. It will therefore be crucial to educate the emotional brain to learn to control his instincts and emotions by using their intelligence.

The emotional part of brain

The scientists located the control of emotions in the limbic system, so call this structure "the emotional brain." This system consists of three main elements with specific functions:

- The thalamus, which sends sensory messages to the neocortex brain (the neocortex is considered the thinking part of brain);

- The hippocampus, which is believed to play an important role in memory and the interpretation of what we perceive, and

- The amygdala, which is the emotional control center.

The limbic system as a whole is present in both hemispheres of the brain and regulates emotions and impulses that we experience.
The zero emotional

Eduardo Punset, use this concept to define the point at which they are trained the neural circuits that determine how to handle situations any child from the emotional point of view throughout his life. In this way the circuit is closed, although the expression and emotional control can learn to post, you always have to start from the neural basis is formed until the age of two years.

The key to promoting emotional development in children will be in

inter-relationships that exist between the small and the people with whom it interacts.

Stern, intersubjectivity means, first, as the capacity to recognize another person as a separate center of subjective experience which can share their own subjective states (from two years) and, secondly, as a specific form relationship that develops between the boy and his mother (birth to age two).

Specifically, in sensorimotor period is this a type of specific instersubjetividad, primary intersubjectivity, which refers to the ability to share affective states that emerge within the dyad-infant attachment figure. The emotional brain development depends on the quality of these relationships intersubjetivodad.

The emotional brain power

Authors such as Goleman and Larry Dorsy have discovered that the emotional centers of the brain are connected to the system inmunológco fighting germs and cancer, as well as the cardiovascular system.

All emotions are impulses to act and every emotion prepares the body to act specifically. Here are some examples of the relationship between emotions and physiological responses:

1. Ira: the blood flows mainly into the hands and the heart beats faster, accompanied by a surge of adrenalin in the blood.

2. Fear: the blood is concentrated in the muscles, especially in the legs to facilitate the escape.

3. Happiness: the brain's activity is centered in the middle, it inhibits negative feelings and experiences an increase in energy levels.

4. Love, relaxation occurs in the body and a state of calm.

5. Surprise: enter the retina allows a greater amount of light to more easily detect the changes in the environment.

6. Disgust: there is an inhibition of the evacuation, insomnia and hypertension risk.

7. Sadness is a decrease in the levels of endorphins necessary to strengthen the immune system.

Knowledge is the key

The emotional brain is common to animals and humans, but only the latter are capable of being trained to control their emotions. Thus, the person who has developed emotional intelligence will be located in a top rung of evolution because it will enjoy better health and establish successful relationships with other people.