Monday, 16 January 2012

Visa Blogging: Personal Interests: Exercise Your Brain Improve Your Intelligence

Visa Blogging: Personal Interests: Exercise Your Brain Improve Your Intelligence

The brain is the center of the nervous system in all vertebrate and most invertebrate animals—only a few primitive invertebrates such as sponges, jellyfish, sea squirts and starfishes do not have one. It is located in the head, usually close to the primary sensory organs for such senses as vision, hearing, balance, taste, and smell. The brain of a vertebrate is the most complex organ in its body. In a typical human the cerebral cortex (the largest part) is estimated to contain 15–33 billion neurons, each connected by synapses to several thousand other neurons. These neurons communicate with one another by means of long protoplasmic fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells.

From an evolutionary-biological point of view, the function of the brain is to exert centralized control over the other organs of the body. The brain acts on the rest of the body either by generating patterns of muscle activity or by driving secretion of chemicals called hormones. This centralized control allows rapid and coordinated responses to changes in the environment. Some basic types of responsiveness such as reflexes can be mediated by the spinal cord or peripheral ganglia, but sophisticated purposeful control of behavior based on complex sensory input requires the information-integrating capabilities of a centralized brain.

Intelligence has been defined in different ways, including the abilities for abstract thought, understanding, communication, reasoning, learning, retaining, planning, and problem solving.

Intelligence is most widely studied in humans, but has also been observed in animals and plants. Artificial intelligence is the intelligence of machines or the simulation of intelligence in machines.

Numerous definitions of and hypotheses about intelligence have been proposed since before the twentieth century, with no consensus reached by scholars. Within the discipline of psychology, various approaches to human intelligence have been adopted. The psychometric approach is especially familiar to the general public, as well as being the most researched and by far the most widely used in practical settings.

How to improve your intelligence???
==> Let do exercise...Watch out the video below to know how to improve your brain by doing exercise...

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WWE: http://visa-wwe.blogspot.com/
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About Insurance:http://visa-insurance.blogspot.com
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Learning English Online: http://visa-elb.blogspot.com/
Discovery Internet: http://visa-isp.blogspot.com/

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