Saturday, 12 May 2012

Basics Of Neuroscience

Hello Friends!!!!!!!
Today, in this article, I would be writing about the basis of Neuroscience.

First of all, I would like to tell you what is Neuroscience?

Neuroscience is a branch or part of science that  mostly deals with how our brain works. And this is one of the part of science that can tell you that your brain is not just a simple brain but it is really more complex than even a super computer. It's complexity is really hard to solve and study. So, in this article, I will only write about some of the basics of Neuroscience and also I recommend you to read my article which deals with the Neuromatrix of pain, i.e., how is pain caused and it tells about the parts of our brain involved in discovering pain.

So, let me first start with the basis of brain anatomy. Scientists have divided the brain into three parts in common. They are:

  1. Cerebellum
  2. Cerebrum
  3. And Medulla
First I would like to talk about Cerebrum. The Cerebrum is the part of our brain that almost processes all the data that comes in our brain through the spinal cord or all the information that comes into our brain. The image below shows the Cerebrum and it's four parts:
Human Brain

The cerebrum is again divided into four parts:
  1. Frontal Lobe
  2. Parietal Lobe
  3. Occipital Lobe
  4. And Temporal Lobe
First let me talk about the Frontal Lobe, this part of our(Human) brain is basically involved in planning and reasoning and all the other types of higher level functions that only human's can perform. More specifically, The Prefrontal Cortex is the part of our brain that is involved in higher order functions. And this part part, i.e., The Prefrontal Cortex, is only found in the human brain, that means that it is the special part that allowed us to perform the functions that animals cannot do.
Prefrontal Cortex
The image above shows the Prefrontal Cortex in green color. 

Now moving towards the other part of our brain, Parietal Lobe.

This part of our brain is mostly involved in the processing of movements. This part of our brain also helps us to keep an record of where our body parts are located in space, for example, close your eyes for some time and after you close your eyes, you still know where your body parts are or where you leg is right now, where you fingers are right now, so this is the part that makes that thing possible, or in other words, it contains a type of blueprint of all your body parts. 

This part also works in coordination with your occipital lobe which is involved in processing visual signals so that you are able to pick up a pencil when you see it.(discussed later)

As I have already said, that the Occipital Lobe is involved in processing visual signals. But for the people whoa re blind from birth may also use this part of their brain to process the auditory signals, it is usually found that the people that are blind from birth, have a greater sense of audio then any other normal person, the reason behind this is that this people usually train their Occipital Lobe to process audio.

Next comes our Temporal Lobe, the Temporal Lobe is a part in our brain which is involved in processing audio signals. It also contains the part of our brain, known as Hippocampus(HI-PO-KAM-PUS), that is involved in processing the memory portion, that is, the thing that we need to remember are processed here and are then sent to long term memory. It is like the gateway of the memory to be remembered. But one thing should be noticed that it only makes us remember the things but it does not store them, it sends that "thing" to the respective Lobe or Cortex it belongs to. For Example, the memory of audio will be sent to the Temporal Lobe, the memory of vision will be sent to the Occipital Lobe etc. Afterwards, this all the memories can be combined to form a image of what happened in the past or the thing we need to remember.

The Occipital Lobe also sends the signals to the Temporal Lobe and Parietal Lobe, for recognizing and picking up an object. The Temporal Lobe recognizes the object and the Parietal Lobe plans our actions to pick up the object.

Now we come to the part of Cerebellum, the Cerebellum is usually involved in coordinating motor functions, i.e., the functions of movement. The movement signal after getting processed in the Parietal Lobe, it reaches the Cerebellum. The Cerebellum also controls reflex functions. For Example, if you try to hit a trained person in self defense techniques, such as Bear Grylls, you will find that they have taken the decision to attack you in the correct manner in less than a second, the reason behind that is that the signal did not go to the Cerebrum, instead the Cerebellum used the neural connections in it to perform that action. And also you can modify the neural connections in the Cerebellum by practicing regularly.

Last comes our Spinal Cord, it is a part that takes signals from our brain to the body and also from the body to our brain.

I cannot write more than that right now as I am tired, sorry for any mistakes in this article.

Thanks for reading!!!!!!!!!

Friday, 11 May 2012


Hello Friends!!!!!

Today's topic is somewhat different because it says that we don't have any type of weight. This concept was thought by me and I think that we don't have any type of weight.

You might ask how can I say that? The answer is that you all know that we have a force called Gravity on Earth and this thing (Gravity) is also located in the moon. But as you all know that when a person on Earth goes to Moon, that person experiences some weight loss. But what is the reason behind this weight loss? The answer is that it is because there is less amount of gravity on moon then on earth. This leads to the conclusion that the Gravity has an effect on the weight of an object,this surely clears out that an if an object is sent in zero Gravity,then that object would experience zero weight. And also if any object is sent from a lower Gravity area to a Higher Gravity area, then that object's mass would increase.

This makes clear that we actually don't have any type of weight with us, it is just a part of Gravity, nothing other than that.

And I think that we don't have weight in zero gravity, then many formulae based on the weight need to be changed in Physics. For Example, The formula of Force is Force=Acceleration*Weight. And this formula cannot be applied in Zero Gravity because according to me, we don't have weight in Zero Gravity, so the formula may be changed to Force=Acceleration. Not only this formula, there are many other formulae that need to be changed in order to be applicable in Zero Gravity.

This also makes clear that the rules of Physics are not same everywhere, they cannot be same on Earth and a place with zero Gravity.

And that thing makes this research a noble one.

Thanks for reading.
Comments are appreciated.

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Thursday, 10 May 2012

Dentist recommend Ice Cream????????????

Hello Friends!!!!!!

Have you ever wondered that why the dentists recommend Ice Cream after removing a tooth????????

I wondered on this question and did some research on my is that so and I got the answer and I really think that it should be published on my blog so the other people also know that because curiosity is the best quality for any child or scientist.

Dentists recommend ice cream after taking out a tooth to just stop bleeding in the mouth and it really works but they don't say that we should always eat that because it might also cause cavities in our mouth, so we should eat it only one time after the dentist had taken out the tooth or till the bleeding does not stop.

We can also rake other cold things such as Cold Water.

Have a knowledge full day ahead!!!!!!

And thanks for reading this short article!!!!!!!!!!!  

Saturday, 5 May 2012


Hello again guys and today I am happy to say that my vacations are going to start on 3 or 4 days and in the vacations I will not be able to post much articles but try my best to give atleast 30 minutes every day to write an article on this blog.

Thanks for your support.

Thursday, 3 May 2012

Basic Anatomy of a Cell

Today I will be writing about the basic anatomy of the cell. The word anatomy here means the basic structure of the cell.
A cell.
Anatomy of a Cell.
The above image shows all the parts of a typical cell but I will not go in depth in this article about the structure of a Cell and will only write about some of it's part.

For the ease of study, the cell is divided into 3 parts:

  1. The innermost part:Nucleus.
  2. The part between plasma membrane and nucleus is Cytoplasm which contains mostly the organells(discussed later) and liquid.
  3. The outermost part is a protective layer of the membrane known as the Plasma Membrane.
First,I would like to discuss about the Plasma Membrane. The Plasma Membrane is the membrane the protects the inner parts of the cells and also regulates the particles that comes inside and goes outside the cell. Or in other words, compare this membrane to the hole in a balloon, the air can come inside and go outside only through that hole and the Plasma Membrane works the same way, they regulate the particles coming in and going out.

The Cytoplasm is the part that comes between the Plasma Membrane and the Nucleus. The Cytoplasm is divided into two parts:
  1. The Cytosol.
  2. The Organelles.
The Cytosol is the liquid which contains the organelles and organelles are the functioning unit of the cell.

Now moving towards the Nucleus. The nucleus is the part of our cell that is located at the innermost part of the cell and it contains most of the DNA and Chromosomes (the part which contain the DNA) in it.

This is all I wanted to include in this article and I will soon past a new article with a detailed description of the anatomy of a cell.

Thanks for reading!!!!!!!!!!
Please comment and share is you like this article.