Essays Tagged: "Neuron"

Life-span development chap 5 notes

tIII. The Brain (see additional handout)IV. Brain's development - 3 processes in the development of neurons* cell production - 10-26 weeks after conception, 250,000 neurons per minute* cell migration ... 6 weeks after conception, 250,000 neurons per minute* cell migration (proximodistal growth pattern) Neuron movement from neat the center of the brain* cell elaboration - axon and dendrites grow from c ...

(3 pages) 108 0 4.3 Sep/2002

Subjects: Social Science Essays > Psychology

Human Brain and Learning

d chemistry of their brains. To make connections, dendrites--threadlike fibers that extend from the neuron--reach out and grow together. If information can be processed in many different ways, the con ...

(2 pages) 135 0 4.5 Oct/2002

Subjects: Social Science Essays > Education

The nervous system and its bodily functions.

ed lower death rates from heart disease, stroke, accidents, etc. The nervous system is a network of neurons (nerve cells) that that sends information to the brain to be analyzed. Neurons live both in ... to be analyzed. Neurons live both in and outside the central nervous system. Understanding how the neurons work is vital to understanding the nervous system. Neurons The neuron has two important stru ...

(8 pages) 207 0 4.7 Mar/2003

Subjects: Science Essays > Biology > Human Biology

Description of the genetic disease William's Syndrome.

omatids apart during mitosis and is required for cell locomotion. (www.wehi.edu.au/research/devneur/neuron_miswiring.html). The clinical molecular diagnosis for Williams Syndrome is confirmed by FISH ...

(2 pages) 58 0 3.0 Apr/2003

Subjects: Science Essays > Genetics & Genome Projects

How neurones communicate with each other.

Describe how neurones communicate with each other. How do psychiatric drugs exploit this system?The neurone ...The neurone is the operative element of the nervous system, and enables communication with other neurones which in turn detail different messages throughout the nervous system and indeed other neur ... ent messages throughout the nervous system and indeed other neurones#. There are many varieties of neurone, and their are specific function determines their exact size and shape.# As demonstrated in ...

(10 pages) 148 1 4.0 May/2003

Subjects: Humanities Essays > Health & Medicine

Understanding Neurons and Ion Channels within the Brain.

Neuron transmission throughout the body is essential in ensuring the stability of a human being. Whe ... flowing properly there is an increased risk of disease and instability within the body. Ions within neurons also tend to move against membrane potentials, the difference between inside and outside ele ... cally changed as well as the effect these ions have on the charge of inside and outside of the cell.Neurons are depolarized when Na+ ion channels open because of the change in charges across the ionic ...

(2 pages) 32 0 3.0 Dec/2003

Subjects: Social Science Essays > Psychology

A basic essay discussing how the brain sends messages throughout the body, how chemicals affect the brain, and explains the left and right brain.

How it works-The human brain has 1,000,000,000,000 nerve cells (neurons) that process information. Neurons receive information from other cells through networks cal ... formation. Neurons receive information from other cells through networks called dendrites. Then the neurons send the information in electrical impulses to other nerves. Then the message is passed on t ... cross to another neutron which the neurotransmitter attached itself to and starts a receptor on the neuron and makes another action potential; repeating the cycle. Each neuron has about 1000 synapses ...

(7 pages) 123 0 3.7 Jun/2004

Subjects: Science Essays > Biology > Human Biology

Informative Paper on Neurons

erve CellThe human body has over 220 cell types. One type lies in the brain and nervous system, the neuron. Nerve cells help with cognitive functions and help control automated functions in the body, ... are located down the spine, in the brain, muscles, and glands. There are things that can hurt these neurons and over time cause irreparable damage.There are three main types of neurons: sensory, inter ...

(2 pages) 64 1 3.0 Oct/2004

Subjects: Science Essays > Biology > Human Biology

NERVOUS SYSTEM

s other cells which maintain and support the nerve cells. The scientific name for a nerve cell is a neuron. Neurons function electrically to create thought and action in our bodies. Without nerve cell ... t nerve cells, human life would not, and could not be. Most of the cells which maintain and support neurons are glial cells. The word "glial" means glue. Glial cells not only maintain and support neur ...

(8 pages) 221 3 5.0 Feb/2005

Subjects: Science Essays > Biology > Human Biology

The Building Blocks of Biology

ake molecules over long distances. Cells can overcome this problem, but only to a certain degree. A neuron, you may know, has a long extension known as an axon. Neurons have developed two different me ...

(5 pages) 32 0 4.0 Apr/2005

Subjects: Science Essays > Biology

Overview of Brain - Psychology Notes

What is the brain ?Vast collection of interconnected cells called neurons.1012 neurons with 1015 synapses (connections)cortical neurons connect to roughly 3% of surro ... .1012 neurons with 1015 synapses (connections)cortical neurons connect to roughly 3% of surrounding neuronscortical neuron may receive connections from up to 10000 other neurons"Supported" by an even ... Supported" by an even greater number of cells called glia (not nerve cells!)Many different types of neurons in terms of size, shape and molecular properties (12 general types in the neocortex). Each n ...

(4 pages) 83 0 3.0 Jul/2005

Subjects: Social Science Essays > Psychology

Report on the physiological effects of alcohol.

he ethyl alcohol and that blood travels to the brain and spinal cord.Ethyl alcohol seems to bind to neurons' receptors for gamma-aminobutyric acid (GABA). GABA is an inhibitory neurotransmitter that c ... eceptors for gamma-aminobutyric acid (GABA). GABA is an inhibitory neurotransmitter that causes the neuron to stop firing, an important function in the reduction of anxiety. The alcohol appears to inc ...

(2 pages) 20 0 0.0 Apr/2006

Subjects: Social Science Essays > Psychology

Brain&Nervous System

t information from stimulus and relay messages to the brain where it can be interpreted and used. A neuron receives a message, if it is important enough, the stimulus will fire. The neuron will not fi ... me strength. these messages go to nerve fibers where they turn to electric signals and hit the next neuron via synapses'. Receptors receive these messages, which are sent to the brain, interpreted the ...

(2 pages) 35 0 3.0 Nov/2001

Subjects: Social Science Essays > Psychology

The Aetiology of Autism

e main control center of the body is the instrument of emotion, behavior, consciousness and memory. Neurons generate and conduct electrical information in the CNS in a transmission in which a neurotra ... oss the synapse to receptors whose activation can increase or decrease the electrical charge of the neuron. Neurotransmitters are an important piece of the brain and Autism puzzle because they too are ...

(15 pages) 119 0 5.0 Jan/2008

Subjects: Science Essays > Mental Health

Schizophrenia

en the main theory regarding to cause of schizophrenia. The brain is made up of nerve cells, called neurons, and chemicals, called neurotransmitters. Neurotransmitters come in many different varieties ... ies. Some are designed to enhance the likelihood that electrical impulses are generated in the next neuron, and some are designed to inhibit the generation of electrical impulses. Dopamine in certain ...

(2 pages) 29 0 0.0 Feb/2008

Subjects: Science Essays > Mental Health

Stem Cells In The Brain

age in ?New Nerve Cells for the Adult Brain,? research has uncovered that stem cells do function in neuron replacement.A long-time belief was that neurons were not replaced if the cell died. It was al ... A long-time belief was that neurons were not replaced if the cell died. It was also believed that a neuron could not repair itself if damaged. Kempermann and Gage?s article is centered on the long his ...

(5 pages) 41 0 5.0 Feb/2008

Subjects: Science Essays > Biology > Human Biology

BSE disease and the prion PrP that causes it.

ormal form of this prion actually plays a role in a process called neurogenesis, or creation of new neurons (cells that are responsible for the cognition function) by the brain.While the normal form o ... f PrP were present, and,3) Control mice (normal)They found that when they placed precursor cells of neuron cells from each of these, under appropriate culture conditions:1) The precurosr cells from th ...

(1 pages) 492 0 5.0 Jul/2008

Subjects: Science Essays > Biology > Human Biology

Understanding Neurons

Neurons are the messengers' of our body, by using electrical and chemical messages to move informati ... electrical and chemical messages to move information throughout our entire system (National, 2005). Neurons are so important, everything that we think, feel and do would be impossible without the work ... , everything that we think, feel and do would be impossible without the work of a neuron.Within the Neuron there are several parts; the axon and the dendrite. The axon transmits messages from the cell ...

(2 pages) 29 0 3.7 Feb/2009

Subjects: Social Science Essays > Psychology

Psychology and Biological Bases of Behavior

en the nervous system goes into action.The nervous system’s foundation is made up of countless neurons. Neurons consist of a cell body, dendrites, which carry information towards the cell, and ax ... towards the cell, and axons, which carry information away from the cell. According to Baron, “Neurons are one-way channels of communication” (44). When a person burns their finger, it is th ...

(3 pages) 434 0 0.0 Mar/2010

Subjects: Social Science Essays > Psychology

Nervous System

DiscussionThe main basic functions of Nervous system are following* value="1"Neurons.Neurons are the cells that construct the nervous system. The "language" of the nervou ... onstruct the nervous system. The "language" of the nervous system is move through these long, tough neurons, they are ideal for moving the electrical messages. Neurons exist equally inside and outside ...

(2 pages) 4 0 0.0 Dec/2010

Subjects: Science Essays > Biology > Human Biology