Stimulus Detection and Sensory Threshold(Unit 3)

Question 1

Absolute Threshold

Answer 1

• lowest limit of stimulus energy that can be physically detected
• softest sound, furthest distance
• with 50% accuracy

Question 2

Difference Threshold

Answer 2

• measurment of a stimulises lowest amount of detectable change in intensity
• example - when you realize a sound is louder than before
• mathmatical difference

Question 3

weberś law

Answer 3

• hearing a sound in a loud room and not a quiet room
• proportinate to the enviorment and nit based on amount changed

Question 4

Signal Detection

Answer 4

• concously adjusting thresholds to become sensative to specific signals
• will help accelerte respnse time