Chapter 6

In this chapter I learned about our senses and absolute threshold. They were very interesting to me because it told me how our senses work.

The absolute threshold is our awareness of things. It turns out we are right a minimum of 50% of the time. Every time we detect light, sound, pressure, taste, or order we are normally right over 50%, but for some it is at 50%. As we get older it is harder for our senses to detect these thresholds. The sensitivity to high pitched sounds declines, and makes it harder to hear.

The sense of touch is really interesting. It is a combination of other senses such as pleasure, warm, cold, and pain. Kinesthesis is also in our bodies, it is in our systems and it allows us to control our body parts such as how far we can move our arms or how far we can move our legs. If we didn't have kinesthesis in our bodies then we would hurt ourselves by hyper-extending everything in our body.

Another thing that intersted me was how or actually what we are hearing. I ncever thought that we heard different air waves, I thought our ear drums just bounced off sound into our brains. What it actually is is air waves. Air waves are bands of compressed and expanded air. When they are at different frequencies they make different sounds, letting us to be able to hear things that are happening around us.