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Can dogs respond to colors?

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by

Cheng Mun Loke

on 21 January 2015

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Transcript of Can dogs respond to colors?

The structure of a dog's eye
Dogs are considered as nocturnal animals
-they have more rods than cones in their eyes

-many mammals are nocturnal, and having a high proportion of rods in the retina is an adaptation that gives these animals keen night vision
Can dogs respond to colors?
Group members:
Loke Cheng Mun
Melvin Kong
Tan Choon Pong
Chai Rong Sheng

Are dogs colorblind?
Yes and No
~only capable of seeing shades of black, white, and grey

~only capable of determining objects by its brightness.

Dark blue,

light blue,

dark yellow,

light yellow.
what kind of colors can they see?
Dogs can only
see certain colors
dichromatic vision
- having only 2 types of cones in the eyes
Introduction
Bobo's results
Experiment 1#Red-1 Blue-0 Green-4 Orange-3
Experiment 2#Red-2 Blue-0 Green-3 Orange-3
Ling Ling's result
Experiment 1#Red-1 Blue-0 Green-3 Orange-1
The term colorblind has two definitions
1) Can perceive certain colors
2) Can perceive no colors at all

Yes, because dogs can see only a few colors
No, because dogs are not completely blind to colors
Step 1
4 bowls were wrapped in plastic bags of
blue
,
green
,
red
and
orange
Step 2
Dog bowls were placed on the floor, where the bowls are visible to the dog
Step 3
THE DOG EATS
Procedure
Experiment 1#


Dog food was added in all 4 colored bowls
Experiment 2#Red-1 Blue-0 Green-3 Orange-1
Materials and apparatus
4 dog bowls
4 different colored plastic bags
Dog food
Oreo
Lucky
Ling Ling
Test Subjects
Oreo's result
Experiment 1#Red-2 Blue-1 Green-1 Orange-2
Experiment 2#Red-1 Blue-0 Green-1 Orange-2

A group of Russian scientist carried experiments on several dogs and proved that dogs can identify colors, but only to a certain degree.
Dogs are stereotyped as...
To examine how a dog responds to colors that appear similar to them and those that do not
The Purpose of our experiment
Step 4
Rearrange colored bowl in a different order
Step 1
The 4 colored bowls were filled with dog food
Step 2
The bowls were placed on the ground, where visible to the dog.
Step 3
THE DOGS EATS
Step 4
The colored bowl that the dog chose was removed
Procedure
Experiment 2#


Bobo
Results
Problems faced during experiment
-Inconsistency
-Full
-Disobedient
-Distance between bowls
Experiment 2

Experiment 1
Experiment 1
Experiment 2

A dog's binocular vision is about less
than half the human's vision

Experiment 2
Experiment 1
Experiment 1
Experiment 1
Experiment 2
Experiment 2
Discussion
1. Dogs cannot differentiate colors between the green, red and orange spectrum
2. Dogs tend to choose colors that are similar to food color(yellow).

Side Effects
Operant
Conditioning
Reference

Can dogs respond to color? [image] Retrieved from http://www.bringfido.com/event/10832/

In my client defence ... [image] Retrieved from http://www.funnyordie.com/slideshows/6fa3cef57e/the-funniest-examples-of-the-lawyer-dog-meme

Roses are grey, violet are grey... [image] Retrieved from http://weheartit.com/entry/52703245

Dog can only see certain color. [image] retrieved from http://animalzfun.blogspot.com/2013/01/Animals-With-Glasses.html

Material and apparatus (dog bowl ). [image] retrieved from http://artifactory.magichat.net/products/dog-bowl

Material and apparatus (dog food ). [Image] Retrieved from http://tworldy.com/dog-food-coupons-cheap-on-your-pocket/

Material and apparatus (plastic bag) [Image] Retrieved from http://www.greenbiz.com/blog/2011/12/22/defense-plastic-bag

Experiment 1 step 3. [Image] retrieved from http://www.dogcentral.info/dog-food-which-is-most-suitable-for-your-pet/

Problem faced during experiment. [Image] Retrieved from http://omgcutethings.com/2012/08/27/really-fat-animals/

Dog’s vision. [Image] Retrieved from http://veterinaryvision.com/resources/what-do-dogs-and-cats-

Discussion. [Image] Retrieved from http://favim.com/image/101550/

What color can they see? [Image] Retrieved from http://drsophiayin.com/blog/entry/can-dogs-see-color-and-how-do-we-know

What color can they see? [image2] Retrieved from http://www.color-blindness.com/2007/04/17/deuteranopia-red-green-color-blindness/

Eye ball. [Image] Retrieved from http://www.peteducation.com/article.cfm?c=2+2083&aid=1596

Rods and cones. [image] Retrieved from http://www.chm.bris.ac.uk/motm/retinal/retinalh.htm

Structure of rods and cones. [Image] Retrieved from http://www.internal.schools.net.au/edu/lesson_ideas/optics/optics_wksht2_p1.html

Color-blind dog. [image] Retrieved from http://www.lolbrary.com/post/5966/roses-are-grey-violets-
are-grey/
Conclusion
Dogs are able to respond to colors that non-similar to them (blue and yellow) but not colors that are similar to them (green and red)
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