1. How does our sensitivity to smell differ from person to person?
Our exposure to …show more content…
Why does tickling someone affect them so much?
Our sensory system is made to sense change, especially when is unanticipated. This is true because your movements are not as noticeable to you as when someone touches you. When these foreign movements occur, you react very fast. It is almost like you are in defensive mode. When you get tickled the nerves are acted upon is an unforeseen and irregular way. This causes an unexpected turn events causing you to burst into laughter!
4. Briefly describe the two theories of our color perception.
The Trichromatic theory suggests we can use three sensors to view light. The three wavelengths are: yellow-red, green, blue-purple. When the colors mix they form cones. These cones allow us to view light. The opponent process theory agrees with the three different wavelengths. However it suggests some colors “block” one another. In other words, some colors don’t mix, but create a new color. This is because the firing of certain colors in the thalamus prevents the firing of other colors. For example blue and yellow make