What is the Brain? And What is the Spinal Cord?
As an adult, the human brain weighs about three along with a half pounds and is protected by the skull.
The brain is designed to interpret sensory input and decipher other incoming info, to create both short- and long-term memory, to originate and coordinate most muscular motion, and to regulate the function of many of our organs.
With all that it does, it's simple to conclude that our mind is densely packed with neurons.
And, with a lot of neuron operations getting location inside the mind, the electrical activity could be measured by placing sensors on the skin of the head.
The recorded output of this measurement is called an electroencephalogram or simply EEG.
No other animal on this planet has such a developed brain relative to its body dimension.
In truth, the human mind is so big that throughout pregnancy the dimension from the baby's head is really a primary factor dictating the timing of birth.
If babies were not born till the 10th or 11th month of pregnancy, it would be extremely hard for the head to fit through the mother's birth canal.
The spinal cord extends in the brain and serves mostly as a relay station connecting the brain to the rest from the body.
For safety, the human spinal cord is encased by bony vertebrae.
The area from the spinal cord closest to the brain connects the brain to regions of the body in that proximity.
This would consist of the chest and arms.
Relocating additional down the spinal cord and away from the brain, you begin to discover the interconnections between the central nervous system and the reduce portions of our body, such as our legs.
Nevertheless, because the nerve links extending from the reduce extremities must move through the upper regions of the spinal cord in order to connect using the brain, harm towards the upper region of the spinal cord will affect the lower as well since the upper places of our entire body.
Therefore, if harm occurs reduce in the spinal cord it might result in temporary or permanent paralysis of only the reduce extremities.
Nevertheless, when the spinal cord is damaged higher up, it can outcome in paralysis of both lower and upper extremities.
Whenever you would like to proceed a specific entire body part, the process (idea)originates within the brain in a area called the motor cortex.
Engine indicates movement! As soon as initiated, the impulse is carried along a linkage of nerve cells towards the skeletal muscle accountable for relocating the limb or entire body part that's to move.
Extremely the whole process only demands a couple neurons linked in series connecting the motor cortex from the mind towards the muscle and occurs in a fraction of a second.
While the engine cortex of our brain is busy sending signals to our skeletal muscle, signaling it to proceed, another region of our brain is evaluating and refining the motion.
This area is known as the cerebellum, that is behind and lower than the more recognizable components from the brain.
It is also this region from the brain that is particularly sensitive to the outcomes of alcohol and explains why motion becomes much less refined when we are intoxicated.
The brain is designed to interpret sensory input and decipher other incoming info, to create both short- and long-term memory, to originate and coordinate most muscular motion, and to regulate the function of many of our organs.
With all that it does, it's simple to conclude that our mind is densely packed with neurons.
And, with a lot of neuron operations getting location inside the mind, the electrical activity could be measured by placing sensors on the skin of the head.
The recorded output of this measurement is called an electroencephalogram or simply EEG.
No other animal on this planet has such a developed brain relative to its body dimension.
In truth, the human mind is so big that throughout pregnancy the dimension from the baby's head is really a primary factor dictating the timing of birth.
If babies were not born till the 10th or 11th month of pregnancy, it would be extremely hard for the head to fit through the mother's birth canal.
The spinal cord extends in the brain and serves mostly as a relay station connecting the brain to the rest from the body.
For safety, the human spinal cord is encased by bony vertebrae.
The area from the spinal cord closest to the brain connects the brain to regions of the body in that proximity.
This would consist of the chest and arms.
Relocating additional down the spinal cord and away from the brain, you begin to discover the interconnections between the central nervous system and the reduce portions of our body, such as our legs.
Nevertheless, because the nerve links extending from the reduce extremities must move through the upper regions of the spinal cord in order to connect using the brain, harm towards the upper region of the spinal cord will affect the lower as well since the upper places of our entire body.
Therefore, if harm occurs reduce in the spinal cord it might result in temporary or permanent paralysis of only the reduce extremities.
Nevertheless, when the spinal cord is damaged higher up, it can outcome in paralysis of both lower and upper extremities.
Whenever you would like to proceed a specific entire body part, the process (idea)originates within the brain in a area called the motor cortex.
Engine indicates movement! As soon as initiated, the impulse is carried along a linkage of nerve cells towards the skeletal muscle accountable for relocating the limb or entire body part that's to move.
Extremely the whole process only demands a couple neurons linked in series connecting the motor cortex from the mind towards the muscle and occurs in a fraction of a second.
While the engine cortex of our brain is busy sending signals to our skeletal muscle, signaling it to proceed, another region of our brain is evaluating and refining the motion.
This area is known as the cerebellum, that is behind and lower than the more recognizable components from the brain.
It is also this region from the brain that is particularly sensitive to the outcomes of alcohol and explains why motion becomes much less refined when we are intoxicated.
