Unit 5: Sensation and Perception

What is Sensation?

• refers to the process of sensing our environment through touch, taste, sight, sound, and smell.

• refers to how the mind process information

• refers to how we store information

Perception can be defined as

• how we perceive different things

• how we interpret the information from the external world

• how we sense things from the external world

Absolute threshold refers to

• The maximum stimulation required to say anything

• minimum usage of sense organs

• The minimum stimulation necessary to detect a particular stimulus

What is Signal Detection theory?

• Ability to detect various sounds and colors

• Ability to focus on one stimulus and ignore others

• Ability to see traffic signals

1. How many senses do we have as humans?

• 1
• 3
• 5

4. Your cells in your nose that can pick up smell are known as

• Taste buds

• Nose buds

• Olfactory cells

• Plutonic cells

The cells in your tongue that process taste are called...

• Olfactory bulbs
• Gustatory cells
• Nerves
• Papillae

Which of the following is a perception?

• noting a change in temperature

• hearing an increase in volume

• recognizing an object as a car

• viewing a decrease in brightness

Being able to see a candle flame 30 miles away on a clear night is the

• absolute threshold for human vision

• difference threshold for human vision

• ratio threshold for human vision

• bionic threshold for human vision

A woman without sensory adaptation would

• not see different colors

• be continuously bothered by street noises outside her house

• find it impossible to distinguish light and sound waves

• not be able to distinguish between hot and cold sensations