Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Make your likes visible on Facebook?

Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.

No, thanks

Neurons!

No description
by

Armaan Singh

on 18 December 2013

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Neurons!

Cite
Freudenrich, Ph.D., Craig, and Robynne Boyd. "How Your Brain Works" 06 June 2001. HowStuffWorks.com. <http://science.howstuffworks.com/life/inside-the-mind/human-brain/brain.htm> 09 September 2013.
Gregory, Michael J., Ph.D. "The Nervous System: Neurons." Neurons. N.p., n.d. Web. 09 Sept. 2013.
Stufflebeam, Robert. "Neurons, Synapses, Action Potentials, and Neurotransmission." The Mind Project. N.p., 2008. Web. 09 Sept. 2013.
Wade, Nicholas. "BRAIN MAY GROW NEW CELLS DAILY." The New York Times. The New York Times, 15 Oct. 1999. Web. 09 Sept. 2013
"How Fast Is the Brain?" How Fast Is the Brain? N.p., n.d. Web. 09 Sept. 2013.
Rennie, John. "The Speed of Neurons: A Study In Contrasts." The Speed of Neurons a Study in Contrasts Comments.
N.p., n.d. Web. 09 Sept. 2013.
TOVEE, MARTIN J. "How Fast Is the Speed of Thought?" Bio 300/301. N.p., 1994. Web. 09 Sept. 2013.
"How Do Neurons Work?" Neurotransmitters and Receptors. N.p., 27 Sept. 2011. Web. 10 Sept. 2013. <http://www.bris.ac.uk/synaptic/basics/basics-2.html>.
Dubuc, Bruno. "THE BRAIN FROM TOP TO BOTTOM." THE BRAIN FROM TOP TO BOTTOM. N.p., n.d. Web. 11 Sept. 2013. <http://thebrain.mcgill.ca/flash/a/a_01/a_01_cl/a_01_cl_ana/a_01_cl_ana.html>.
Amthor, Frank. "The Types and Function of Neurons." The Types and Function of Neurons - For Dummies. N.p., n.d. Web. 09 Sept. 2013.
A S Kopin, M B Wheeler, A B Leiter Proc Natl Acad Sci U S A. 1990 March
Brought To You By:
Yugi
Chrispaul
Armani
How fast signal travels?
Structure of a neuron
Dendrites - The receiving end of a neuron.
The soma, or cell body, of the neuron is where electrical signals are passed on through
The axon hillock is at the end of the soma.
The axon is an extended fiber connects the soma and the axon terminals
Neurons
Axon Hillock
The axon hillock is located at the end of the soma. Its main function is to control the propelling of a neuron.
If the energy of the signal overcomes the limitation of the axon hillock, it fires a signal through the axon.
Fun Facts 1
Dendrites
They are the receiving end of a neuron. The dendrites contain synapses and they transmit information to the cell body.
Soma
The soma is where the electrical signals pass through in order to get to the axon terminals.

The soma do not take part of the transmitting process but they are responsible for keeping the neurons alive. They possess a mitochondria, which the cell uses to maintain itself.
Saltatory Conduction
It is a type of a nerve impulse conduction. The saltatory conduction (French, "saltare", means "to leap") allows action potentials to travel quicker and efficiently.
Amount
Human have an average amount of
100 Billion
neurons
Length
Can range from
1 centimeter
to
1 meter
Axon & Myelin Sheath
The larger the diameter the faster it travels.
Diameter range from 1~20 micrometer
120 meter per second
Axon Terminals
They are located at one end of a neuron
They carry out the role of transmitting messages to other neurons
The use of neurotransmitters allow signals to jump across the synapse and into the dendrites of another neuron
Also known as the "terminal buttons".
The Sodium-potassium pump will pump 3 sodium ions out with 2 potassium ions being pumping into the neuron
Electrical Property
This way neuron will
have unbalanced charges
result in a electric pulse
Neurotransmitter are fired when Axon terminal is excited.
The neurotransmitter is sent through a gap to receptor.
Chemical Property
Through the use of the saltatory conduction, electrical signals can jump from one neuron fiber to another neuron fiber without going through the whole length of the axon.
s
Important Function
The most important function of a neuron is to communicate with each other and it occurs in the Central Nervous System.
There are billions of neurons firing in our brain and this is how neurons communicate. The CNS is composed of the neuron and glia. Neuron’s basic function is to receive input information and transfer them to another neuron. There are 50 times more glia than neurons in our CNS, glia provides support to the neurons. It’s like a wall that allows neurons to stay connected.

Types of Motor Neuron Diseases
Amyotrophic lateral sclerosis
Progressive bulbar palsy
Post-polio Syndrome
Few types of Neurons
It is a very serious neurological disease that mainly causes muscle weakness and can cause disabilities, eventually leading to death.
Amyotrophic lateral sclerosis
1 in 3 people are affected.
Progressive Bulbar Palsy
Sensory neurons tells the brain about the internal and and external environment, sends receptors to the central nervous system (CNS)
Motor neurons contracts our muscles by the CNS sending impulses to the muscles.
Communication neurons sends a signal from one place to the other in the brain.
Computation neurons are the largest group of neurons. This processes the information that comes in from our senses.
Interneurons sends impulses between sensory and motor neurons.


Affects 1 in 5 people
Affects the brain stem and affects the muscles around the throat and jaw.
Speaking, chewing, or swallowing will be significantly harder as they are weakened.
Post-polio syndrome
Affects only people who have had poliomyelitis
The disease starts destroying the motor neurons. People with this disease face muscle weakness, fasciculation, and pain in muscles and joints.
8 Type of Neurotransmitters
Dopamine
Serotonin
GABA
Norepinephrine
Acetylcline
Glutamate
Secretin
Histamine

Secretin help adjusting the body pH in order to keep body from being too acidic or basic
GABA
- Gamma-Amino Butyric Acid
- It have direct relation to contraction of musle
- Help maintain a posture
- Influences Movement, learning, attention and emotion.
- Too much linked to schizophrenia
Dopamine
Mirror neurons
http://www.apa.org/monitor/oct05/mirror.aspx
http://blogs.scientificamerican.com/guest-blog/2012/11/06/whats-so-special-about-mirror-neurons/
http://www.psychologytoday.com/blog/brain-myths/201212/mirror-neurons-the-most-hyped-concept-in-neuroscience
Glutamate
- Plays a major role in excitatory neurotransmitter
- Involved in memory
- Oversupply may cause migraine and seizure
Histamine
- Trigger response to body damages
- Major role in inflammatory responses
Adoped from <"http://writing.wisc.edu/blog/wp-content/uploads/mirror-neuron1.jpeg">
Incomplete
- Mirror Neurons
- Axon & Myelin Sheath
Norepinephrine
- Enable muscle Action
- Learning
- Memory
Secretin
Acetylcholine
Serotonin
- Affects mood , hunger, sleep, and arousal
- Not enough serotonin will cause depression
- Help control alertness and arousal
- Too less will result in depress mood
Full transcript