Essays Tagged: "neurons"

Alzheimer's, a progressive and irreversible brain disease

of nerve cells from the Cerebral Cortex in the Alzheimer's victim. Approximately ten percent of the neurons in this region were lost. But a ten percent loss is relatively minor, and cannot account for ...

(19 pages) 256 1 3.8 Dec/1995

Subjects: Humanities Essays > Health & Medicine > Diseases

Brain Transplant?

ld also be very difficult to attach a person's brain in a different body because of the millions of neurons that send and receive messages to and from all over the body. It would be almost impossible ...

(2 pages) 31 0 3.3 Oct/1993

Subjects: Science Essays > Biology > Human Biology

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 ...

(3 pages) 108 0 4.3 Sep/2002

Subjects: Social Science Essays > Psychology

Huntington's Disease

t, thought, perception, andmemory) and cortex by using energy incorrectly. The brain will starve theneurons (brain cells), and sometimes make them work harder than usual,causing extreme mental stress. ...

(4 pages) 88 1 2.6 Jul/1996

Subjects: Humanities Essays > Health & Medicine > Diseases

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

Facts about Marijuana

at gets you ?high? is THC or Tetrahydocannibol or as said before THC. This substance suppresses the neurons in the information-processing system of the hippocampus or the part of the brain that is cru ...

(3 pages) 48 1 3.6 Mar/2003

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

Marijuana effects of marijuana an dwhat they could do

at gets you "high" is THC or Tetrahydocannibol or as said before THC. This substance suppresses the neurons in the information-processing system of the hippocampus or the part of the brain that is cru ...

(3 pages) 126 1 4.6 Apr/2003

Subjects: Social Science Essays > Controversial Issues > Drugs & Alchohol

Biology Report on Smoking and its health effects on the circulatory system includes reference list.

duced. Because of this many smokers experience withdrawal symptoms. Nicotine also activates certain neurons in apart of the brain called the Mesolimbic System, this is the same pathway that creates in ... tes intense cravings to indulge in certain foods or activities. When this system is stimulated, the neurons secrete dopamine, which provides the brain with a chemical reward that literally arouses it. ...

(4 pages) 107 3 4.0 Jul/2003

Subjects: Science Essays > Biology > Human Biology

What role do Glia cells play in the neural functioning?

onsible to control glandules and involuntary activities in the body such as rhythm cardiac). So the neurons are special cells that are capable to receive stimuli messages and transferring those stimul ... e peripheral nerves to the effectors that respond accordingly [Carlson R.1995]. For that reason the neurons is the functional unit of the nervous system they have four structures. Soma or cell body co ...

(5 pages) 71 1 4.7 Nov/2003

Subjects: Science Essays > Biology > Human Biology

The Mind, the Final Frontier is a critical thinking paper,The brain is like an extensive intricate sponge through nuclei within its path, absorbing every crumb within its path.

ough nuclei within its path, absorbing every crumb within its path, to be used at some latter-date, neurons hold information of one's own free- will, and embrace that which is precious and dear to the ...

(2 pages) 47 0 5.0 Dec/2003

Subjects: Humanities Essays > Philosophy

Understanding Neurons and Ion Channels within the Brain.

uron transmission throughout the body is essential in ensuring the stability of a human being. When neurons are not flowing properly there is an increased risk of disease and instability within the bo ... 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 ...

(2 pages) 32 0 3.0 Dec/2003

Subjects: Social Science Essays > Psychology

Stem Cell Research: Moral or Immoral.

that 2% of the population over 65 years of age. PD is caused by the loss of the dopamine producing neurons which leads to tremors, rigidity, and hypokinesia. It is thought that PD may be the first di ... methods to induce embryonic stem cells to differentiate into cells with many of the functions of DA neurons.Several recent studies underline stem cell research as a basis for critically needed therapi ...

(2 pages) 116 0 3.7 Dec/2003

Subjects: Science Essays

Neurons, Hormones, and the Brain. 49 Definitions!

ion of the nervous system consisting of the brain and spinal cord.Spinal cord - A collection of neurons and supportve tissue running from the base of the brain down the center of the back, protect ... of the nervous system; also called a nerve cell.Glial cells - Nervous system cells that aid the neurons by providing them with nutrients, insulating them, and removing cellular debris when they di ...

(4 pages) 78 0 3.5 Apr/2004

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 ... sing Norepinephrine. Also prayer and meditation also increase serotonin levels.Synapse is where two neurons connect in a neural pathway. The impulse traveling through the first neuron starts an impuls ...

(7 pages) 123 0 3.7 Jun/2004

Subjects: Science Essays > Biology > Human Biology

The Neural Basis for Classical Conditioning in Aplysia, the sea hare (With refrences!!)

imple nervous system, which is composed of just around a few thousand large and easily identifiable neurons. But regardless of the aplysia californica's very simple nervous system, this animal has th ... ted in the strengthening of the polysynaptic pathway between afferent fibers and pattern initiating neurons of the buccal central pattern generator.The last study to be discussed tackling the aply ...

(12 pages) 45 0 4.3 Jan/2005

Subjects: Science Essays > Biology

How Teens Get That Way

one to track it medically for 17 years. The researchers found that parts of the brain's 100 billion neurons matured at different times.This makes intuitive sense to parents, who've watched their babie ... hat babies arrived with vastly more gray matter than necessary. As a result, billions of baby brain neurons die and fade away during early years; use it or lose it. What scientists just discovered was ...

(2 pages) 27 0 3.0 Jan/2005

Subjects: Social Science Essays > Current Issues

NERVOUS SYSTEM

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 cells, human ... 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

oblem, but only to a certain degree. A neuron, you may know, has a long extension known as an axon. Neurons have developed two different means of active transportation in order to bring molecules from ...

(5 pages) 32 0 4.0 Apr/2005

Subjects: Science Essays > Biology

Peer Review vs. Popular Press Article: Synapses in the Brain Includes references

es that play a key role in the formation of synapses, the connection that links brain cells, called neurons, to each other. The molecules initiate the development of these connections, forming the cir ... ormation between a neuron and its target. Synapses which are specialized sites, communicate between neurons and their targets. The communication involves the processing of information of behavior and ...

(5 pages) 70 0 1.0 Aug/2005

Subjects: Science Essays > Biology

Nervous System.

te, to analyze this information, and to initiate appropriate responses to satisfy certain needs.Neurons.The cells that make up the nervous system arecalled neurons. Long, stringy neurons are ... ter of your entire body. The brain is the body's main information center. It is made of billions of neurons. The brain helps the body respond to the information it receives from the senses. The brain ...

(3 pages) 95 0 5.0 Aug/2005

Subjects: Science Essays > Biology > Human Biology