Perception and Sensation

Question 1

Give an example of receptor cells involved in sensation

Answer 1

-RODS AND CONES

CONES DETECT COLOUR

Question 2

Define sensation and perception

Answer 2

• sensation- process that allows our brains to take in info using five senses
• perception-process of recognising and interpreting sensory stimuli.

Question 3

What is a sensory cortex ?

Answer 3

-(part of cerebral cortex) responsible for processing sensory info and is essential for perception

Question 4

The brain is able to make allowances for…

Answer 4

Changes in colour and shape when we perceive an object under different conditions

Question 5

What is perceptual constancy ?

Answer 5

Ability of brain’s perceptual system to make allowances for changes in environment.

Question 6

What is light constancy?

Answer 6

Perceptual constancy where objects are perceived as same regardless of lighting conditions

Question 7

What is colour constancy ?

Answer 7

Perceptual constancy where brain makes allowances for appearance of colours under different conditions.

Question 8

What is shape constancy ?

Answer 8

Perceptual constancy where brain makes allowances for changes in object’s shape as it is viewed from different angles

Question 9

What is size constancy ?

Answer 9

Perceptual constancy where brain allows for changes in objects shape as it is viewed from different distances

Question 10

Stages in visual perception ?

Answer 10

Light-retina-neurons in optic nerve-brain-perception