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Brain

The center of our nervous system and daily thoughts, the brain is a complex, magnificent organ. Ask questions about parts of the brain and their functions here.

2,537 Questions

Do egyptians use a metal rod to take a brain out of a dead person?

ya the push and pull it until it bursts and spews out of the nose

What is main memory?

Main memory:

Main memory is the computer's internal memory. It is an extension of the Central Processing Unit (CPU).

Its function is controlled by the Control Unit (CU) that sends READ or WRITE signal for the appropriate memory location. Main memory accepts data and instructions from the input unit, exchanges them with other parts of the CPU for processing. It stores those instructions and data, which are currently being used by the CPU or awaiting for immediate execution.

Semiconductor memories are the widely used forms of main storage. The capacity of a storage device is normally expressed in bytes, characters or bits. Computer's main memory is further divided into random access memory (RAM) and read only memory (ROM)

By Professor MUHAMMAD SHOAIB BILAL

Email: Shoaibbilal64@yahoo.com

Thanks!

How do memories form?

You could form memory by earasing some stuff you don't want?

How does the brain become mature?

The brain becomes more mature as we age. We learn to speak, walk and do other motor functions first as these are "wired" first. Later the outer surface of the brain called the neocortex develops and we begin to think abstractly. Many parts of the brain are not fully myelinated (a type of insulation) at first. We later use more and more of our prefrontal cortex as we and our brain ages. Our brains' ability to make proper and critical decisions do not come about until we are at least 25 years old. The changes that happen between 18 and 25 are a continuation of the process that starts around puberty, and 18 year olds are about halfway through that process. Their prefrontal cortex is not yet fully developed. That's the part of the brain that helps you to inhibit impulses and to plan and organize your behavior to reach a goal. This one reason why we do dumb things and get into car wrecks, etc. One person alone will not do some risky things unless there are two or more people watching. Girls brains will mature sooner than boys by nearly 2 years.

How does the midsagittal plane divide the brain?

The midsagittal plane divides the brain into equal right and left portions.

Why does decussation takes place in brain?

There is considerable variation in the extent to which decussation takes place in the medulla oblongata; about two-thirds or three-fourths of the fibers usually decussate in the medulla oblongata and the remainder in the medulla spinalis.

Do the vertebrates have brains?

That would depend on the animal. Practially all vertebrates have brains, with mammals' and perhaps birds' being the most complex of all. For invertebrates, it depends on the species. Arthropods and cephalopods tend to have brains. Sponges have no neurons whatsoever.

What animal has 6 brains?

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i dont know but A worm has 9 hearts???????????????????????????????

How do you know the things you know?

Information is stored in your brain in the form of electrical signals. When you learn something, a specific pathway of signals is set up, which can be activated whenever you need that information again. Scientists are still not exactly sure how this works, but it does!

What is different between mind and brain?

Many theories have been put forward to explain the relationship between what we call your mind (defined as the conscious thinking 'you' which experiences your thoughts) and your brain. In fact, it's fair to say that this is one of the fields of philosophy which is most up in the air (although, of course, all of philosophy is up in the air to some greater or lesser extent).

However, it is also a field for which the advancing discipline of neuroscience holds out some hope of a solution. In the last half of the 20th century we have learnt how to actually 'see' thoughts play out in the brain on magnetic imaging devices which show activity in different areas of the brain. We have learnt which parts of the brain perform which functions, although it would be wrong to depict this as a vindication of the idea behind phrenology: it is not as if discreet chunks of the brain perform discreet functions.

Are antidepressants dangerous to brain memory?

Some studies have shown that some antidepressants can affect short term memory for some people, yes. Be sure to consult your doctor to see if this is something that might be happening to you, and don't stop taking an antidepressant without talking to your doctor. Some of them have negative effects if you just stop taking them cold.

What does the cerebral cortex deal with?

[easy answer]

It's most of your brain and deals with consciousness and self-awareness and pretty much all the stuff that makes us think like humans and not like dogs and cats.

[scientific answer] The cerebral cortex makes up about 75% of the human brain. It is made up of several layers of cells and is about 1/8th of an inch thick. This thin collection of cell layers, however, is very tightly folded, somewhat like a crumpled sheet of paper, so that a large amount of it takes up only a small amount of space. Activity in the cerebral cortex is essential for many of the qualities, skills, and abilities that make humans different from all other animals. In fact, if you lost your cerebral cortex, you would lose your self-awareness, your ability to respond with foresight and deliberation to the environment, your ability to relate your past and future to the present, your ability to speak and understand language, and many other higher functions.

Does Brain from the TV show Pinky And Brain ever really take over the world?

Yes:In season 2, Episode - It's Only A Paper World

Brain creates "Chia Earth", a full sized replica of earth made out of paper mache and convinces the entire population of Earth to relocate to his "Chia Earth" with the promise of FREE T-SHIRTS! His plan succeeds and Brain crowns himself the new ruler of the world (although he and Pinky make up the entire population). However, Brain's rule is soon ended when a meteor collides with the real earth and he and Pinky are forced to flee to the newly populated "Chia Earth".

Why is brain is in above?

we may stamp anybodys brain

What is a barangay?

A barangay is the smallest administrative division in the Philippines - a village, district, or ward.

Where does the effect of TMS stimulation cease in the brain?

The effect of TMS depends on the coil design and other factors (Hair, thickness of the bone, location of the coil etc.) as the Link provided shows, the magnetic field distribution of the figure 8 coil penetrated the cortex approximately 1.5 centimeters. If you however ask WHEN the effect subsides it depends again but lets say 15 minutes of 1Hz stimulation to the fronto temporal lobe will have no significant effect on the Stroop task any more after approximately 15 minutes after stimulation has ceased... that is at least what I found in my experiments. Other protocols however can elicit changes in the brain with a longer duration.

Does psychosis cause brain damage?

Some doctors say that it can eat away at the white matter of the brain and also enlarge ventricles implying brain damage. Most top psychiatrists I've talked to say "the jury is still out" on the matter.

So as of now, no one really knows. But even if it did cause brain damage, as long as you take your meds, you may never have a psychotic break again. Just work hard at brain exercises and reading and writing, (that's what I do,) and new neurons will regenerate and help you get back to or close to normal. However the disease of schizophrenia itself can cause neuropsychological damage throught depletion or too much neurotransmitters. So if you have schizophrenia, most studies say you will stay about the same for life.

However, some of the best doctors in the country at The Freedom Trail Clinic told me that many people do improve significantly, despite these studies. So I guess it would depend on the person.