Module 3 Written Assignment
This research is being submitted on April 23, 2015, Dr. Kavita Kostek’s G148/PSY1012 Section 04 General Psychology class.
Our senses our used in many ways throughout the day, whether we think of it or not. They are not as simple as one may think though, but more of an intricate system. Let’s take a look at some of the functions of each sense and their everyday uses.
Human’s sense of smell is one of the hardest areas in our body to research, and the reason is because odors are a subjective response. The fact that they point down so objects do not fall into them is significant though, since odors tend to rise from warmer surfaces. When it comes to breathing the odorous molecules go through the nose to the olfactory organs, which connect to the brain by neural pathways. We use our noses all day every day to smell the things around us such as food, gases, trash, and many other things.
Taste is something we are all familiar with, and probably would not eat without. It is a subjective reaction of certain substances once entered the mouth. It has some relation to odor, touch, temperature, and pain, for instance when hot food hits the tongue. Taste buds contain cells that are sensitive to tastes, and are able to detect five different tastes which are salt, sweet, sour, bitter, and umami. The cells have a regeneration rate as much as every seven days, but tend to fade as a person gets older. Everything we stick in our mouths has a taste, and it is these taste buds that tell us whether it is a good or bad flavor.
Our bodies are reactive to heat, cold, pain, and pressure, and all this is possible with the sensation of touch. There are some body parts more sensitive than others such as tongue, lips, and any part covered with hair or nails. Hair because a follicles base is filled with neural receptors can feel the slightest touch or brush. Habituation...
References: Lefrancois, G. (2011), Psychology: The human puzzle
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