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Please read the packet at your table!

Please read the packet at your table!. Brain Functions: PERCEPTION

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Page 1: Please read the packet at your table!. Brain Functions: PERCEPTION

Please read the packet at your table!

Page 2: Please read the packet at your table!. Brain Functions: PERCEPTION

Brain Functions:

PERCEPTION

Page 3: Please read the packet at your table!. Brain Functions: PERCEPTION

1. Perception is the process of attaining awareness or understanding of the environment by turning the raw input of the senses into meaningful experience.

Page 4: Please read the packet at your table!. Brain Functions: PERCEPTION

2. Sensory processing is "hardwired" into the brain, with the different senses processed in different brain regions.

Smell ------>

^ll

Hearing

<-----Sight

<------Touch

Page 6: Please read the packet at your table!. Brain Functions: PERCEPTION

What is this?

Page 7: Please read the packet at your table!. Brain Functions: PERCEPTION
Page 8: Please read the packet at your table!. Brain Functions: PERCEPTION

In the Stone Age, assuming ambiguous stimuli had meaning and intent resulted in increased survival &

reproduction

Page 9: Please read the packet at your table!. Brain Functions: PERCEPTION

4. Humans' brains evolved very strong pattern-seeking tendencies, especially for faces and animal shapes.  (Why these in particular?)

       

Page 10: Please read the packet at your table!. Brain Functions: PERCEPTION

Pareidolia:(pa-ree-DOE-lia)a type of illusion or misperception involving a ambiguous stimulus being perceived as something clear and distinct.

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Some pareidolia is sort of famous, like these of devils in the smoke of the burning World Trade

Center on 9/11

Page 18: Please read the packet at your table!. Brain Functions: PERCEPTION

The "Face on Mars" got everyone stirred up in the 70's and sold a lot of books relating the "facts" of Martian civilization.

These pictures show that your brain finds more meaningful images when it has less information to go on. The picture on the left was taken with a low resolution camera in 1976, while the one on the right was taken with a higher resolution camera in 2006. Blur your vision and look at the 2006 photo. Look familiar?

1976 2006

Page 19: Please read the packet at your table!. Brain Functions: PERCEPTION

This grilled cheese sandwich sold for $28,000 on Ebay because it supposedly contains the face of the Virgin Mary.

1930's German-American movie star Marlene Dietrich.

toast Virgin

Page 20: Please read the packet at your table!. Brain Functions: PERCEPTION

Some pareidolia is just plain cool.

Page 22: Please read the packet at your table!. Brain Functions: PERCEPTION

Misperception can also occur from your brain combining information

from two or more senses. 

This is called "The McGurk Effect"