Chapter 5 - Sensation and Perception Flashcards
1
Q
Transduction
A
The conversion from sensory stimulus energy to action potential is known as transduction.
2
Q
Absolute threshold
A
refers to the minimum amount of stimulus energy that must be present for the stimulus to be detected 50% of the time.
3
Q
Bottom-up processing
A
refers to the fact that perceptions are built from sensory input.
4
Q
Top-down processing.
A
how we interpret those sensations is influenced by our available knowledge, our experiences, and our thoughts. This is called top-down processing.
5
Q
Inattentional blindness.
A
Failure to notice something that is completely visible because of a lack of attention.
6
Q
Signal detection theory
A
The ability to identify a stimulus when it is embedded in a distracting background
7
Q
A
