what is this…?. hey presto! perception “awareness of things through our 5 senses”
TRANSCRIPT
What is this…?
Hey presto!
Perception
“awareness of things through our 5 senses”
Let’s use our senses!• Sight, touch, hearing,
taste, smell.• For each “station”, write
down what it is you think you are seeing, touching, hearing, tasting and smelling and rate your confidence from 0 (I have no idea) to 5 (I am certain).
Let’s use our senses!• In groups discuss your
answers and confidence levels
• Are you more certain about some senses than others?
• Which are your dominant senses?
Answers!
• Sight• Touch• Hearing• Taste• Smell
Choose a sense to lose!
Choose a sense to lose!
• Which sense did you choose? Why?• Which sense is most identified with
knowledge? Why?
Who am I?Who am I?
I am Helen Keller. I was born deaf and
blind in 1880. Despite this I
became a famous author and
political activist. I was the first
deafblind person to earn a
bachelor’s degree
I am Helen Keller. I was born deaf and
blind in 1880. Despite this I
became a famous author and
political activist. I was the first
deafblind person to earn a
bachelor’s degree
How would you learn without some senses?
• Lauren• http://vimeo.com/4218099• http://vimeo.com/4218099
Extension of the senses
Electromagnetic spectrum
λ ≈ 700 - 420 nm
λ ≈ 10-7 - 10-8 m
λ ≈ 10-9 - 10-11 m
λ ≈ 10-12 - 10-14 m
λ ≈ 10-4 - 10-6 m
λ ≈ 10-2 - 10-3 m
λ ≈ 10-1 - 103 m
Ultrasound
What is really out there?
What is really out there?
• Does the “sweetness” exist in the coke or only in your brain?
What is really out there?
Where is the green in the grass? In the grass or in your brain?
If we had evolved differently, sensitive to electromagnetic radiation of different frequencies we would not see grass as green at all…….in conclusion the world really has no colour at all!
What really is out there?
If a tree falls in a forest, and nobody is there to hear it, does it make a sound?
Two types of sound?
• Physical – vibrations in the air• Experienced – the sound we hear/experience
in our brains
No experienced sound before life on earth?