I have seen my cat find a mouse in a camouflaged garden even when the mouse was not moving. Either this study is wrong or my cat is special.
What Do Cats See?
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Re: What Do Cats See?
#12that's a blog just to get seo for a "deals" website. to flag or not to flag?
Re: What Do Cats See?
#13I think there is one fundamental flaw with simulating color seen by non humans or dichromat humans. I've seen this in all computer based simulators. They simply change the weight of some colors relatively to others.
But a dichromat with say, missing L cones will not simply mix green and red, he will experience "green" totally differently than a trichromat. What a trichromat call green is the result of the stimulation of both M and L cones. We cannot see the pure spectral green. We cannot subtract the L cones contributions to what we experience, and its is quite important. The dichromat won't have any L cones contribution, the physiological stimuli won't be the same. He sees the actual spectral green. A color we have never seen and that we cannot imagine.
Now there is an experiment to do : put a full page of bright red and stare at it for minutes. It will start to become orange-ish. This is your L cones getting tired. Now swiftly switch to a bright green full page (prepare it so you can switch with a key press). You will experience a purer green that you ever experienced, because this green will have less red component to it as your L cones are tired (the effect will last mere seconds and quickly fade into normal green). If you were able to completely remove your L cones, you would see what the dichromat sees.
Re: What Do Cats See?
#14I think this misses one of the keys aspects of cat vision, movement perception. You'd need video for that. I imagine they see something like a glowing trail around moving stuff. Depeding on light conditions my cat might ignore food/toy until it moves.
It also misses another key aspect of cat perception - the keener senses of smell and hearing. They are less visually-centric than humans.
You could say the same about dogs and many other animals.
Re: What Do Cats See?
#15that's a blog just to get seo for a "deals" website. to flag or not to flag?
Prefer the Mail? http://www.dailymail.co.uk/sciencetech/article-2462559/Nicko...
Re: What Do Cats See?
#16I have seen my cat find a mouse in a camouflaged garden even when the mouse was not moving. Either this study is wrong or my cat is special.
Those pointy ears are there for a reason - cats use more than sight to locate prey.
Re: What Do Cats See?
#17I have seen my cat find a mouse in a camouflaged garden even when the mouse was not moving. Either this study is wrong or my cat is special.
I think you're missing a few possible scenarios.
First and foremost, cats have exceptional olfactory senses.
Second of all, the mouse was likely moving around before it noticed your cat approaching, at which point it froze. (By that time, it was of course too late.) Mice don't typically just sit in a garden, never moving.
Re: What Do Cats See?
#18I think this misses one of the keys aspects of cat vision, movement perception. You'd need video for that. I imagine they see something like a glowing trail around moving stuff. Depeding on light conditions my cat might ignore food/toy until it moves.
I often have to shake my cat's biscuits before she'll eat them, even if she has just been eating them.
Hasn't anyone invented a "jiggling cat food bowl" yet?
Re: What Do Cats See?
#19I think this misses one of the keys aspects of cat vision, movement perception. You'd need video for that. I imagine they see something like a glowing trail around moving stuff. Depeding on light conditions my cat might ignore food/toy until it moves.
The photos miss that, but it is mentioned in the text: The increase in rods also enhances their “refresh rate”, so that they can pick up movements much faster (very helpful when dealing with small animals that change direction very quickly during a chase) Also: Interestingly, this also means that humans have the ability to see very slowly moving objects at speeds 10 times slower than cats (that is to say that we can…
You're not moving slowly enough, and cats can hear really well.
Re: What Do Cats See?
#20I'm routinely impressed that my cat uses a litter box with no problem that is almost completely dark at night. Not sure how she can see what she's doing, but it's cool!