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

Tags

NGSS.MS-LS1-8

Perception ca 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

Tags

NGSS.MS-LS1-8

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

Top down processing refers to

• refers to the information coming from a height like top of a table

• refers to the use of contextual information in pattern recognition.

• refers to the information coming down from a height

Do you think culture impacts the way we perceive things?

• Agree

• Disagree

• Neutral

Tags

NGSS.HS-ETS1-3

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

Tags

NGSS.MS-LS1-8

The smallest difference between two stimuli that can be detected 50% of the time is called

• absolute threshold
• difference threshold
• sensory adaptation
• subliminal perception

A researcher presents two lights of varying brightness to a subject who is asked to respond "same" or "different" by comparing their intensities. The researcher is seeking the

• just noticeable difference.
• absolute threshold.
• subliminal threshold.
• minimal threshold.

The point at which a change in sensory stimulation is detected is called the

• absolute threshold
• psychological equation
• just noticeable difference 
• Weber effect