How your brain works.
Below is a MRR and PLR article in category Reference Education -> subcategory Science.
Understanding How Your Brain Works
An Overview of the Brain
The human brain is the most intricate structure in the known universe. It consists of highly specialized parts, each responsible for functions like memory, vision, and more. Our brain not only enables us to perceive our surroundings and coordinate movements but also fosters attributes like consciousness. Its evolution spans millions of years, with its origins traceable to primitive reptiles and mammals.
The Human Cortex
One of the most remarkable features of the human brain is the cortex?"an intricately folded, hemispherical structure that comprises the majority of the visible brain. Unlike reptiles, humans possess this relatively recent development, approximately 100,000 years old. The cortex is crucial for forming complex representations, logical reasoning, and language use, making it more pronounced in humans than other species. Various regions govern vision, hearing, voluntary movement, touch sensations, and long-term memory.
Neurons and Networks
The central nervous system includes about 100 billion nerve cells, or neurons. Each neuron has a single axon for sending electrical signals to other neurons, while dendrites collect incoming signals in a tree-like formation. Neurons are roughly one micron in diameter, with dendrites being about ten times longer and axons ranging from a millimeter to a meter. Signals travel between neurons through the synaptic gap, at voltages of tens of millivolts and speeds of about 200 miles per hour (100 meters per second). Neurons typically fire once every millisecond, and different firing patterns correspond to various brain functions.
Learning and Connectivity
The brain's resilience and adaptability, known as plasticity, allow it to function even with severed connections or dead neurons. This adaptability arises from the brain's ability to form new connections between neurons at synapses, facilitated by neurotransmitters. These chemicals influence the strength of signals between neurons. During childhood and learning processes, these connections evolve and strengthen.
The Brain's Power
The brain’s computational prowess stems from its complex neural network and simultaneous processing capabilities. Each person possesses this powerful device, which can be programmed to achieve their deepest desires. This "genie" within awaits your instructions, ready to help you envision and steer toward a promising future.
Embrace the potential within your own mind, and set your brain exciting tasks to explore new possibilities.
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