Human perception Flashcards
1
Q
sensory threshold
A
the lowest intensity of a stimuli that can be detected
2
Q
sensory differential threshold
A
the smallest difference between two stimuli that can be detected
3
Q
method of limits
A
descending sequence: strong and easily detectable stimuli that are decreased stepwise
ascending sequence: weak and semi-detectable stimuli that are increased stepwise
4
Q
decibel
A
a unit used to express the intensity of a sound wave
5
Q
diopter
A
a unit of measurement of the optical power of a lense or curved mirror
6
Q
perimeter
A
a device used to determine the field of vision
