Chapter
Canine Colorblindness
08:15 - 21:56 (13:41)
This episode discusses how dogs see the world in terms of color, specifically how they are colorblind and can only see shades of blue and yellow due to the missing cone cells in their eyes.
Clips
Our experience of color is decoded by the nervous system from the different wavelengths of light that are absorbed by the electromagnetic sensitive cells in the retina, which then sends signals to the brain resulting in a visual experience.
08:15 - 11:31 (03:16)
Summary
Our experience of color is decoded by the nervous system from the different wavelengths of light that are absorbed by the electromagnetic sensitive cells in the retina, which then sends signals to the brain resulting in a visual experience.
ChapterCanine Colorblindness
EpisodeDr. David Berson: Understanding Your Brain's Logic & Function
PodcastHuberman Lab
Although the biological mechanisms for seeing color are similar, an individual's perception or understanding of color may differ.
11:31 - 13:46 (02:14)
Summary
Although the biological mechanisms for seeing color are similar, an individual's perception or understanding of color may differ. The nervous system keeps track of signals, compares and contrasts them to extract some understanding of the wavelength composition of light, but it's difficult to determine an animal's experience or perception of color.
ChapterCanine Colorblindness
EpisodeDr. David Berson: Understanding Your Brain's Logic & Function
PodcastHuberman Lab
Mammals, like dogs and cats, have only two cone types to compare and contrast light, which limits their vision in the wavelength or color domain.
13:47 - 17:08 (03:21)
Summary
Mammals, like dogs and cats, have only two cone types to compare and contrast light, which limits their vision in the wavelength or color domain. Intrinsically photosensitive cells in dogs, discovered recently, helps explain why they might act the way they do in the dark or in different light settings.
ChapterCanine Colorblindness
EpisodeDr. David Berson: Understanding Your Brain's Logic & Function
PodcastHuberman Lab
The photopigment in our eyes is a sensitive element that detects the brightness in our environment.
17:08 - 21:56 (04:48)
Summary
The photopigment in our eyes is a sensitive element that detects the brightness in our environment. However, this pigment can also be found in some of our output neurons, similar to insects like the fly, which have a different mechanism for converting light into neural signals.