Exponential changes Flashcards
1
Q
What are exponential change concerned with?
A
Quantities that change with time or distance
2
Q
What is exponential change?
A
one that accelerates/decelerates with time or distance
3
Q
Where are exponential changes observed?
A
- Physical system
- Imaging system
- Biological system
4
Q
What are the knowledge of exponential function allow us to do?
A
- Predict constrast behaviour of imaging method
- Determine physical properties of tissues from appropriate images
Determine decay rate for certain types of processes in certain type of tissue, useful for research
5
Q
When does exponential change occur?
A
When the rate at which something changes is proportional to the size of that something at a given time
6
Q
What are examples of exponential decay?
A
T2 decay in MRI
Radioactive decay
X-ray absorption
MRI diffusion - weighting
