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

When information is converted to neural messages they are called:

• Transduction

• Transportation

• Translucent

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

The sense of movement and body position

• Hearing
• Sight
• Kinesthesis
• Olfaction
• Touch

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

If a dog hears a whistle that a person cannot hear, this suggests that dogs and humans have different

• kinesthesis systems.

• Gestalt ratios.

• absolute thresholds

• vestibular systems.

Sensation

• opening in the iris that regulates the amount of light entering the eye

• the tendency to perceive certain objects the same way despite changing conditions

• what occurs when a stimulus activates a receptor

• contains light-sensitive receptor cells

A principle that states, for any change in a stimulus to be detected, a constant proportion of that stimulus must be added or subtracted.  

• Gate-Control Theory
• Weber's Law
• Difference Threshold
• Multiple constant 

Alice is eating a piece of fruit. After a while, she notices that the fruit tastes less sweet and tangy than it did when she first bit into it. Alice is experiencing ____.

• habituation
• accommodation
• sensory adaptation
• subliminal perception