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Essay about human brain research
The function of the brain
The function of the brain
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The brain is the most complex part of the human body. The weight of the human brain weighs three pounds in mass. This three-pound organ controls the seat of intelligence, the interpreter of the senses, initiator of body movement and controller of behavior (reference). The human brain is like a live network of parts that all interact and work together; each part has their own properties. All these parts that work together control the human body. The parts that work together are the Forebrain, midbrain and the hindbrain. It is beyond ones capacity to imagine that an organ in such a small mass can be responsible for all the functions of the human body, hearing, tasting, emotions, love, yawning, blinking vision and many more functions. Scientists had learned more about the human brain, than in the precious years. The human brain had still remained a sensitive field of research for most scientists. However still researches are being conducted on the brain for further invents and technological updates in science. Amputations had triggered a new uprising of thinking in scientist on how to combine between robotics (artificial parts) and the human brain.
Every handshake, footstep or movement of a body part is the outgrowth of the brain exchanging information with an arm or leg. However the main question in this situation is what if that link between the limb and the brain was severed? This is known as an amputation. What is exactly does the term amputation mean? According to the dictionary definition an amputation is a removal of a body part of the main body, whether it’s by a prolonged constriction or a surgery. According to research that had been done by the National Center for Health, that thirty percent of people have amputatio...
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...ent the scar tissue formation problem against the foreign materials. Although they are safe they have poor signal quality .They are extensively used in the artificial limbs movement and organs. EEG, MEG, and MRI are widely technology used under the category of invasive brain interface. EEG is the most studied non-invasive brain interface.
In the imagine above it breaks down the Brain- machine interfaces into the types of BMI that are used by scientists to combine the function of the brain and the robotic parts and limbs.
EEG is measurement of electrical activity produced by brain as recorded from electrodes placed on the scalp. An electroencephalogram (EEG) is a measure of the brain’s voltage fluctuations as detected from scalp electrodes It is an approximation of the cumulative electrical activity of neurons It is the foundation of current BMI research’s.
Strange as that this may sound, when a Wannabee person lose a limb they are actually gaining so much more of who they felt they are. As one Amputee said to his doctor “you have made me the happiest of all men by taking away from me a limb which put an invincible obstacle to my
According to the U.S census, about 80% of people with phantom limb experience extreme excruciating pain coming from the stump. In fact, Ramachandran and Hirstein authors of “The Perception of Phantom Limbs” (1998) report that the pain haunts victims and remains painful even 25 years after loss of limb. Hence, suffering is chronic especially after an immediate amputation of a limb, where patients describe the pain as itching, burning, stabbing, or tingling. In most cases, pain interferes with work and social life and becomes a heavier burden than the paralysis itself. There’s nothing really phantom or imagined about this suffering; however, contrary to what the amputees feel, the pain is generated by the brain not originated in a limb that doesn’t exist. To be more specific, the intensity of the pain could be found in the neurons of the brain. With this in mind, one must be sure that phantom limb syndrome is certainly not a modern discovered occurrence; however, the exact cause of this sensation has puzzled scientists for dec...
We know relatively very little about the complex organ called the brain. Our brain responds to nature's eternal external rhythms like seasons, tides, the sun and the moon. Animal instincts for survival are based on rhythms and drives of the brain. The brain is a collection of tissues that perform and respond to basic functions, desires and needs. The human brain is the most changed, enriched and complex brain through evolutionary terms, however, in its most basic form, it is the same as other brains of the Animal Kingdom. If one eliminates the cerebral cortex, one basically eliminates humanity and the brain becomes identical to that of a cat. If one removes even more, the brain becomes like that of an iguana.
The human brain can react in much the same way. Neurodegenerative diseases are telltale signs of a "glitch" in the neural mechanical processes within the brain. Thus, pathological problems of the brain demonstrate how the brain controls movement and behavior. It is evident in the physical as well as emotional behavior. (5) It also illustrates the interaction between the central nervous system to the peripheral nervous system. There must be connections between neural activity within the brain and the rest of the central and peripheral nervous systems. One can also understand an illustration of the brain as being a "box" composed of interconnected smaller boxes. These integrated boxes in turn demonstrate the concept that, "Brain=Behavior=Being."
In normal sleeping patterns a person usually passes through five phases of sleep, the fifth being REM. The sleeping human passes cyclically through these five phases throughout a night's rest. These phases can be defined in electrical activity of the brain; much like the activity of the heart is often defined. The technique of measuring the electrical activity of the brain is call Electro-encephalogram, or EEG. When the electrical events of a person's brain are graphed on a electrical magnitude versus time axis the graph of a person who is in different stages of being asleep or awake appear to have different levels of electrical activity occurring in the brain. (See (14))
The brain has four major lobes. The frontal lobe, the parietal lobe, the occipital lobe, and temporal lobe are responsible for all of the activities of the body, from seeing, hearing, tasting, to touching, moving, and even memory. After many years of debating, scientist presents what they called the localization issue, Garret explains how Fritsch and Hitzig studied dog with conforming observations, but the cases of Phineas Gage’s accident in 1848 and Paul Broca’s autopsy of a man brain in 1861 really grabbed the attention of an enthusiastic scientific community (Garret 2015 p.6)
Neuroscience refers to “the scientific study of the nervous system” It has been responsible for breakthroughs involving molecular, cellular, developmental, and medical aspects of human behaviors. Various organizations such as the “International society for neurochemistry” and the “European Brain and behavior Society” exist today to further the study of the nervous system and expand human understanding of medical and psychological ailments. The actual study of the nervous system dates all the way back to ancient Egypt where surgeons would drill holes into the human skull in order to alleviate a variety of aliments. The second half of the 20th century furthered the study of neuroscience via advancements in Molecular biology, and electrophysiology. These advancements are currently being used to study potential solutions to diseases such as (ALS) amyotrophic lateral sclerosis, strokes, and brain trauma. This research is funded by credible organizations such as the (NIH) National Institute of Health and the “National S...
The future may well involve the reality of science fiction's cyborg, persons who have developed some intimate and occasionally necessary relationship with a machine. It is likely that implantable computer chips acting as sensors, or actuators, may soon assist not only failing memory, but even bestow fluency in a new language, or enable "recognition" of previously unmet individuals. The progress already made in therapeutic devices, in prosthetics and in computer science indicate that it may well be feasible to develop direct interfaces between the brain and computers.
As previously stated, neuroimaging science and study began in the early 1900s. The “great granddaddy” of functional brain viewing is electroencephalography, or EEG, and was invented by a German researcher by the name of Hans Berger. This exceptional neurologist discovered that the electrical activity of the brain is detectable outside the head. Following Berger’s steps, a group of scientists came up with ...
The brain is the control center of the human body. It sends and receives millions of signals every second, day and night, in the form of hormones, nerve impulses, and chemical messengers. This exchange of information makes us move, eat, sleep, and think.
This paper involves how the brain and neurons works. The target is to display the brain and neurons behavior by sending signals. The nervous system that sends it like a text message. This becomes clear on how we exam in the brain. The techniques show how the brain create in order for the nerves about 100 billion cells. Neurons in the brain may be the only fractions of an inch in length. How powerful the brain could be while controlling everything around in. When it’s sending it signals to different places, and the neurons have three types: afferent neurons, efferent neurons, and the interneurons. In humans we see the old part of emotions which we create memories plus our brain controls heart beating, and breathing. The cortex helps us do outside of the brain touch, feel, smell, and see. It’s also our human thinking cap which we plan our day or when we have to do something that particular day. Our neurons are like pin head. It’s important that we know how our brain and neurons play a big part in our body. There the one’s that control our motions, the way we see things. Each neuron has a job to communicate with other neurons by the brain working network among each cell. Neurons are almost like a forest where they sending chemical signals. Neurons link up but they don’t actually touch each other. The synapses separates there branches. They released 50 different neurons.
In philosophy, the critical analysis on the relationship between the brain and mind is known the mind body problem. The following schools of thought have tried to solve the mind body problem. Dualism, this school of thought subscribes to the belief that the mind and brain exist independently of each other. Other dualists deny the fact that the mind is a part of the brain. This is because the mind and brain don’t share same
The human body is divided into many different parts called organs. All of the parts are controlled by an organ called the brain, which is located in the head. The brain weighs about 2. 75 pounds, and has a whitish-pink appearance. The brain is made up of many cells, and is the control centre of the body. The brain flashes messages out to all the other parts of the body.
Throughout the course of history many people in time had no idea that many creatures of life had brains. With remarkable breakthroughs in technology and through human ability to take pictures of the human brain through head scans, scientists have discovered and mapped out the human brain. As neuroscientists understand how the brain works, discovery of brain-based learning has been a growing field ever since. Education is extremely important for human beings because the more educated we are as a society the better we contribute to society. Knowledge is extremely powerful and as a future educator, understanding how the brain works and developing lesson plans surrounding the inner workings of the brain will allow learning to manifest in the classroom.
These engineers are a unit of dedicated people who analyze and style solutions to issues in biology and medication under the engineering field. Their duties as a biomedical engineer principally are to style systems such as artificial organs or devices to support life or body components as people come to grow very ill over time. Biomedical engineers conjointly install, adjust, maintain, repair and manufacture support for the medical specialty instrumentation which incorporates operating with safety, with efficiency, and effectiveness. These medical specialty engineers train clinicians and teaches them a way to use the instruments properly. Their main duty is to figure out problems with alternative scientists, chemists and medical scientists to analysis the engineering aspects of biological systems of humans and animals.