Course Work - Essay Example

Only on StudentShare

Extract of sample
Course Work

While the differences are that while hormones are produced by the endocrine system in our body neurotransmitters are created at nerve terminals and they need to be triggered by an electrical impulse sent by the brain. Hormones have to be secreted directly into the bloodstream since they can only travel short distances where the neurotransmitters are secreted at the nerve synapse. The hormones can be synthesized artificially outside the body and neurotransmitters have to make inside the body.
Dopamine is the neurotransmitter that controls the brain’s pleasure centers which also helps to regulate emotions and movement. It functions to help us see pleasurable things and also attracts us towards them. Drugs like cocaine affect the dopamine in the brain and make it work better and faster so people get addicted to the sensation of being drugged.
The association cortex is the cerebral cortex located outside the primary areas of the brain and it is needed to perform essential mental tasks that are more complicated than the detection of dimensions of sensory stimulation. In the animal kingdom, the cerebral cortex is more developed in the humans than any other species since it is absolutely necessary for perceptual activities like recognizing and understanding the differences in objects rather than edges or color. Repeated drug abuse causes damage in the association cortex which tends to signal the brain to produce a ‘happy sensation’ with drug abuse. Most of the time, the people may not be technically addicted to the drug itself however the emotional response that it produces brings pleasure to the body and mind. Since the cortex is damaged by substance abuse, the ‘happy’ sensation is not produced until the drug is taken so it makes the user vulnerable. These responses can be produced by narcotics, heroin and cocaine and alcohol.
"We now know that many ...Show more

Summary

Neurotransmitters are the chemicals that our body releases to allow the transmission of electrical nerve signals from one neuron onto another by moving across synapses and they are found in the axon endings of the motor neurons where their job is to stimulate the muscle fibers…
Author : maximillian78
Save Your Time for More Important Things
Let us write a custom essay on your topic
"Course Work"
with a personal 20% discount.
Find out more

Related Essays

gcse maths course work
ar grids whose columns exceed the rows by only one unit in the grid, however we will investigate the relationship that exist in the rectangles whose rows exceed the columns by one unit, therefore we will consider a 3X2, 4X3 and 5X4. From the above calculations we can conclude
12 pages (3000 words) Essay
course work
With the introduction of computers to the society, the easier way of living and completing everyday tasks has become a trend for many
8 pages (2000 words) Essay
course work
zation who intended to find out the performance gap (the difference between the actual and expected performance) for every employee and assess them accordingly (Barksdale and Lund, 2001, p.169). Logically speaking, such an evaluation system where the employees need to please
12 pages (3000 words) Essay
course work
One reason is that the sender may be able to get a direct feedback from the receiver on many things. The message or opinions may also be changed in the course of the discussion. Most
5 pages (1250 words) Assignment
course work
Q2. There is some evidence that in the years immediately following Baldridge or ISO certification/accreditation, performance standards and attention to quality actually decline to levels below the build up to accreditation review. What might
14 pages (3500 words) Essay
Katrina Course work
After the construction of the levees, city flooding can now be prevented but the result is that, the land is being robbed of the sediment and sinks. Yes, New Orleans should be rebuilt since the process of change
2 pages (500 words) Coursework
course work
Ethical relativism is a belief that right and wrong is determined by the morality of a societal or cultural norm and is based on a time period, a
3 pages (750 words) Coursework
Find out how much would it cost
to get a custom paper written by a pro under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT