Human Brain: Facts, Anatomy & Mapping Project…

The human brain is the command center for the human nervous system. It receives input from the sensory organs and sends output to the muscles. The human brain has the same basic structure as other mammal brains, but is larger in relation to body size than any other brains.

Facts about the human brain

• The human brain is the largest brain of all vertebrates relative to body size
• It weighs about 3.3 pounds (1.5 kilograms)
• The brain makes up about 2 percent of a human’s body weight
• The cerebrum makes up 85 percent of the brain’s weight
• It contains about 86 billion nerve cells (neurons), the “gray matter”
• It contains billions of nerve fibers (axons and dendrites), the “white matter”
• These neurons are connected by trillions of connections, or synapses

Anatomy of the human brain

The largest part of the human brain is the cerebrum, which is divided into two hemispheres. Underneath lies the brainstem, and behind that sits the cerebellum. The outermost layer of the cerebrum is the cerebral cortex, which consists of four lobes: the frontal lobe, the parietal lobe, the temporal lobe and the occipital lobe. [Related: Nervous System: Facts, Functions & Diseases]

Like all vertebrate brains, the human brain develops from three sections known as the forebrain, midbrain and hindbrain. Each of these contains fluid-filled cavities called ventricles. The forebrain develops into the cerebrum and underlying structures; the midbrain becomes part of the brainstem; and the hindbrain gives rise to regions of the brainstem and the cerebellum.

The cerebral cortex is greatly enlarged in human brains, and is considered the seat of complex thought. Visual processing takes place in the occipital lobe, near the back of the skull. The temporal lobe processes sound and language, and includes the hippocampus and amygdala, which play roles in memory and emotion, respectively. The parietal lobe integrates input from different senses and is important for spatial orientation and navigation.

The brainstem connects to the spinal cord and consists of the medulla oblongata, pons and midbrain. The primary functions of the brainstem include: relaying information between the brain and the body; supplying some of the cranial nerves to the face and head; and performing critical functions in controlling the heart, breathing and consciousness.

Between the cerebrum and brainstem lie the thalamus andhypothalamus. The thalamus relays sensory and motor signals to the cortex and is involved in regulating consciousness, sleep and alertness. The hypothalamus connects the nervous system to the endocrine system — where hormones are produced — via the pituitary gland.

The cerebellum lies beneath the cerebrum and has important functions in motor control. It plays a role in coordination and balance, and may also have some cognitive functions.

Humans vs. other animals

The main differences between human and animals brains is their size, said Eric Holland, a neurosurgeon and cancer biologist at the Fred Hutchinson Cancer Research Center and the University of Washington, in Seattle. Humans also have more neurons per unit volume than other animals, and the only way to do that with the brain’s layered structure is to make folds in the outer layer, or cortex, Holland told Live Science.

“The more complicated a brain gets, the more gyri and sulci, or wiggly hills and valleys, it has,” Holland said. Other intelligent animals, such as monkeys and dolphins, also have these folds in their cortex, whereas mice have smooth brains, he said.

Humans also have the largest frontal lobes of any animal, Holland said. The frontal lobes are associated with higher-level functions such as self-control, planning, logic and abstract thought — basically, “the things that make us particularly human,” he said.

Left brain vs. right brain

The human brain is divided into two hemispheres, the left and right, connected by a bundle of nerve fibers called the corpus callosum. The hemispheres are strongly, though not entirely, symmetrical. The left brain controls all the muscles on the right-hand side of the body; and the right brain controls the left side. One hemisphere may be slightly dominant, as with left- or right-handedness.

The popular notions about “left brain” and “right brain” qualities are generalizations that are not well supported by evidence. Still, there are some important differences between these areas. The left brain contains regions involved in speech and language (Broca’s area and Wernicke’s area), and is also associated with mathematical calculation and fact retrieval, Holland said. The right brain plays a role in visual and auditory processing, spatial skills and artistic ability — more instinctive or creative things, Holland said — though these functions involve both hemispheres. “Everyone uses both halves all the time,” he said.

BRAIN Initiative

In April 2013, President Barack Obama announced a scientific grand challenge known as the BRAIN Initiative, short for Brain Research through Advancing Innovative Neurotechnologies. The $100-million-plus effort aims to develop new technologies that will produce a dynamic picture of the human brain, from the level of individual cells to complex circuits.

Like other major science efforts such as the Human Genome Project, although it’s expensive, it’s usually worth the investment, Holland said. Scientists hope the increased understanding will lead to new ways to treat, cure and prevent brain disorders.

The project contains members from several government agencies, including the National Institutes of Health (NIH), National Science Foundation (NSF), and Defense Advanced Research Projects Agency (DARPA), as well as private research organizations, including the Allen Institute for Brain Science in Seattle, Washington, and the Howard Hughes Medical Institute in Chevy Chase, Maryland.

In March 2013, the project’s backers outlined their goals in the journal Science. In September 2014, the NIH announced $46 million in BRAIN Initiative grants. Members of industry pledged another $30 million to support the effort, and major foundations and universities also agreed to apply more than $240 million of their own research toward BRAIN Initiative goals.

When the project was announced, President Obama convened a commision to evaluate the ethical issues involved in research on the brain. In May 2014, the commission released the first half of its report, calling for ethics to be integrated early and explicitly in neuroscience research. In March 2015, the commission released the second half of the report, which focused on issues of cognitive enhancement, informed consent and neuroscience and the legal system.

Some researchers question what the initiative will achieve. Supporters of the project argue that it will provide the missing piece in how the brain operates at a level between that of single neurons and the whole brain, while opponents claim the project lacks clear goals and may siphon away funding from other research.

My Dreams…..

There are dreams of every human being living in the world. I can not imagine a non-fictional people.

For example, I live to realize my dreams. Some people do not dream. Because they believe dont be true. I think Everone’s should be dreams and goals. and then held If you dreams real on the draw a line. Write VICTORY in uppercase letter. Each line will make you more happy you drew. I read books on personal development of this proposal. I apply it in my dreams. I’ll share with you my dreams.

MY DREAMS

Firstly I want to explore every part of England. I want to go to places that I go. I want to use the car in Britain. I want to live in England. I want to be manager in my company. I want to live in a 2 double-decker home ladder from the inside. I want to have a car. Especially BMW X5 J.I want to go in Paris for the  see Eiffel Tower.I want to go on holiday abroad. I want to shop in NEW YORK. Especially Fift Avenue. I want to go in Egypt for the see Egyptian pyramid.I want to go in Italy for the see Venetian. I want to  go to Rome.I want to go to China for the see wall of China. I want to buy sports car before heading to Tokyo. Afterwards I want to go to Tokyo and I want to drift.I want to go USA. I want to see Miami and Los Angeles. I want to live my life the way I want to own. I want to have a money. Not so much. I want to be succes in my life. Etc….

These are and others all my dreams.I know. One day all of them will be real.I believe.

I’ll do everything  for my dreams come true.

William Shakespeare….

Synopsis

William Shakespeare was baptized on April 26, 1564, in Stratford-upon-Avon, England. From roughly 1594 onward he was an important member of the Lord Chamberlain’s Men company of theatrical players. Written records give little indication of the way in which Shakespeare’s professional life molded his artistry. All that can be deduced is that over the course of 20 years, Shakespeare wrote plays that capture the complete range of human emotion and conflict.

Mysterious Origins

Known throughout the world, the works of William Shakespeare have been performed in countless hamlets, villages, cities and metropolises for more than 400 years. And yet, the personal history of William Shakespeare is somewhat a mystery. There are two primary sources that provide historians with a basic outline of his life. One source is his work—the plays, poems and sonnets—and the other is official documentation such as church and court records. However, these only provide brief sketches of specific events in his life and provide little on the person who experienced those events.

Early Life

Though no birth records exist, church records indicate that a William Shakespeare was baptized at Holy Trinity Church in Stratford-upon-Avon on April 26, 1564. From this, it is believed he was born on or near April 23, 1564, and this is the date scholars acknowledge as William Shakespeare’s birthday.

Located 103 miles west of London, during Shakespeare’s time Stratford-upon-Avon was a market town bisected with a country road and the River Avon. William was the third child of John Shakespeare, a leather merchant, and Mary Arden, a local landed heiress. William had two older sisters, Joan and Judith, and three younger brothers, Gilbert, Richard and Edmund. Before William’s birth, his father became a successful merchant and held official positions as alderman and bailiff, an office resembling a mayor. However, records indicate John’s fortunes declined sometime in the late 1570s.

Scant records exist of William’s childhood, and virtually none regarding his education. Scholars have surmised that he most likely attended the King’s New School, in Stratford, which taught reading, writing and the classics. Being a public official’s child, William would have undoubtedly qualified for free tuition. But this uncertainty regarding his education has led some to raise questions about the authorship of his work and even about whether or not William Shakespeare ever existed.

Theatrical Beginnings

By 1592, there is evidence William Shakespeare earned a living as an actor and a playwright in London and possibly had several plays produced. The September 20, 1592 edition of the Stationers’ Register (a guild publication) includes an article by London playwright Robert Greene that takes a few jabs at William Shakespeare: “…There is an upstart Crow, beautified with our feathers, that with his Tiger’s heart wrapped in a Player’s hide, supposes he is as well able to bombast out a blank verse as the best of you: and being an absolute Johannes factotum, is in his own conceit the only Shake-scene in a country,” Greene wrote of Shakespeare.

Scholars differ on the interpretation of this criticism, but most agree that it was Greene’s way of saying Shakespeare was reaching above his rank, trying to match better known and educated playwrights like Christopher Marlowe, Thomas Nashe or Greene himself.

By the early 1590s, documents show William Shakespeare was a managing partner in the Lord Chamberlain’s Men, an acting company in London. After the crowning of King James I, in 1603, the company changed its name to the King’s Men. From all accounts, the King’s Men company was very popular, and records show that Shakespeare had works published and sold as popular literature. The theater culture in 16th century England was not highly admired by people of high rank. However, many of the nobility were good patrons of the performing arts and friends of the actors. Early in his career, Shakespeare was able to attract the attention of Henry Wriothesley, the Earl of Southampton, to whom he dedicated his first- and second-published poems: “Venus and Adonis” (1593) and “The Rape of Lucrece” (1594).

Establishing Himself

By 1597, 15 of the 37 plays written by William Shakespeare were published. Civil records show that at this time he purchased the second largest house in Stratford, called New House, for his family. It was a four-day ride by horse from Stratford to London, so it is believed that Shakespeare spent most of his time in the city writing and acting and came home once a year during the 40-day Lenten period, when the theaters were closed.

By 1599, William Shakespeare and his business partners built their own theater on the south bank of the Thames River, which they called the Globe. In 1605, Shakespeare purchased leases of real estate near Stratford for 440 pounds, which doubled in value and earned him 60 pounds a year. This made him an entrepreneur as well as an artist, and scholars believe these investments gave him the time to write his plays uninterrupted.

Writing Style

William Shakespeare’s early plays were written in the conventional style of the day, with elaborate metaphors and rhetorical phrases that didn’t always align naturally with the story’s plot or characters. However, Shakespeare was very innovative, adapting the traditional style to his own purposes and creating a freer flow of words. With only small degrees of variation, Shakespeare primarily used a metrical pattern consisting of lines of unrhymed iambic pentameter, or blank verse, to compose his plays. At the same time, there are passages in all the plays that deviate from this and use forms of poetry or simple prose.

Early Works: Histories and Comedies

With the exception of Romeo and Juliet, William Shakespeare’s first plays were mostly histories written in the early 1590s. Richard II, Henry VI (parts 1, 2 and 3) and Henry V dramatize the destructive results of weak or corrupt rulers, and have been interpreted by drama historians as Shakespeare’s way of justifying the origins of the Tudor Dynasty.

Shakespeare also wrote several comedies during his early period: the witty romance A Midsummer Night’s Dream, the romantic Merchant of Venice, the wit and wordplay of Much Ado About Nothing, the charming As You Like Itand Twelfth Night. Other plays, possibly written before 1600, include Titus Andronicus, The Comedy of Errors, The Taming of the Shrew and The Two Gentlemen of Verona.