Are there more than 5 senses




















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Change my password Send Reset Link. Let's make sure you're eligible and we'll show you plans It's that simple, we won't try to sell you anything. Answer the questions above to see plans Show Me Plans. Yet a proper answer to this question is even more complex and interesting. Also, some of your receptors are used for more than one sense. Even senses that seem fundamental, such as vision, are intimately entwined with other senses that seem separate.

In the moments when your heart contracts and pushes blood out to your arteries, your brain takes in less visual information from the world. They send signals when stimulated by light of various wavelengths and intensities. The skin is brimming over with sensory receptors optimized not only for touch, but for other things as well, such as hot and cold.

There are at least six different kinds of temperature receptors, each optimized for a different temperature range. If we have six different kinds of temperature receptors, does that mean that our ability to sense hot and cold is really six different senses, and not just one? I suppose you could argue that, but what would be the point? Consider human vision. Human eyes contain four different kinds of sensory receptors: three types of cones optimized for long, medium, and short wavelength light and rods optimized for low light conditions.

Human vision entails the ability to distinguish light from dark. For some primitive creatures, this is as far as their vision takes them. We humans can tell light from dark, we can distinguish images, we can see in color as a result of having three types of cones , and, having two eyes, we possess stereovision. So just how many senses do our eyes afford us?



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