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The case of the Colorblind Painter

A case study by Oliver Sacks

Tahira Savage

on 29 October 2014

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Transcript of The case of the Colorblind Painter

A case study by Oliver Sacks
The Case of the
Jonathan I. in ...
from his book "An Anthropologist on Mars"
"The Case of the Colorblind Painter"
Color Blindness Video
Jonathan I was given a pair of green tinted glasses to improve vision
He was able to see best with green light
Jonathan I changed his behavior to cope with his condition
He painted in only black and white
He became a "night owl"— because he gained great night vision

Colour blindness affects approximately 1 in 12 men and 1 in 200 women in the world.

The visual cortex
Located in the occipital lobe in the back of the brain
Constructs from the perceptual qualities required for an image
Discriminates and categorizes the physical aspects of a stimulus
Processes visual information
Transient amnesia set in.
Loss of artistic identity.
He could see only in a gray scale.
Everyday stress.
He became depressed.
Loss of synesthesia.
Right after the accident, he was unable to distinguish letters or colors.
Everything looked dirty to him.
Neurological and Psychological symptoms
Lifestyle advantages and disadvantages:
an artist without a
color palette
life in a grayscale
In the darkness he explained, he could see a license plate almost 4 blocks away while if he was not colorblind he would only be able to read it a block away. He was also seeing things the way “normal” people were seeing it. “Everything in diners is different at night, at least if it has windows. The darkness comes into place, and no amount of light can change it. They are transformed into night places.”
Nick & Shawn
What kind of dog would you buy Jonathan ?
Loss of Intimacy.
Full transcript