Ib Psychology Bla

Discuss the use of technology in investigating one cognitive process-Alzheimer’s disease and memory loss Alzheimer’s disease is a degenerative brain disorder that results in memory loss, impaired thinking and personality change. No blood test, brain scan, physical exam can definitely diagnose Alzheimer’s disease. PET scan detect radioactively tagged glucose that are injected into a patient’s body before the imaging.
Glucose enters through blood stream and brain. The most active brain areas need sugar, while damaged and less active areas need much less. By detecting the weak radiation signal from the sugar molecules are they travel throughout the brain, PET scanners can map out the brain. Using PET scans, researchers can show that early stages of Alzheimer’s disease has a reduction in brain metabolism in hippocampus.
Masconi(2005) have developed brain-scan-based computer and found out that in the early stages of Alzheimer’s disease there is a reduction in brain metabolism in the hippocampus. He also found out that early signs of reduced metabolism in hippocampus was associated with later development of Alzheimer disease. Therefore, PET scan is useful in finding out the early development of Alzheimer’s disease. MRI scan uses magnetic and radio waves to provide very clear and detailed static 3D images of brain structure.

MRI scan can show images of shrinkage in the hippocampus; this shrinkage reflects death of substantial numbers of brain cells. The phenomenon can be detected even before symptoms interfere with daily functions, helping patients to prepare for Alzheimer’s disease. Goshe et al (2000) looked at MRI result for 119 patients with varying degrees of cognitive impairment. He was 100% accurate when determining which patients had been diagnosed with Alzheimer’s disease and which had no symptoms.
The study reported a 93% accuracy rate when researchers were asked to distinguish between patients with no symptoms and those with mild cognitive impairment, but not yet diagnosed with Alzheimer’s disease. This shows that MRI scan is very accurate in determining whether the patient has Alzheimer symptoms. According to above examples, PET scan finds out early development of Alzheimer’s disease, while MRI scan determine whether the patient shows symptoms. It is clear that Alzheimer’s disease can be investigated through PET scan and MRI scan.

The post Ib Psychology Bla appeared first on EssayBishops.

Order a unique copy of this paper
(550 words)

Approximate price: $22

Basic Guarantees
  • Free title page and bibliography
  • Free unlimited revisions
  • Plagiarism-free papers
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Progressive delivery
  • Plagiarism report
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double or single line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Writing quality papers is a TOP priority. One expert takes one order at a time.
The service package includes topic brainstorm, research, drafting, proofreading, plagiarism check, citation formatting, and revisions.

Money-back guarantee

We appreciate how valuable your time is. Hence, we make sure all custom papers are 100% original and delivered within the agreed time frame

Read more

Zero-plagiarism guarantee

Each paper is written from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

We see it as our duty to follow all instruction the client provides. If you feel the completed paper does not meet your exact requirements, we will revise the paper if you let us know about the problem within 14 business days from the date of delivery.

Read more

Privacy policy

Your email is safe, we use your personal data for legal purposes only and in accordance with personal data protection law. Your payment details are also secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

You can easily contact us with any question or issues you need to be addressed. Also, you have the opportunity to communicate directly with assigned writer, e-mail us, submit revision requests, chat with us online, or call our toll-free on our site. We are always available to our customers.

Read more

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages