Because sensory perception is an important dimension of our understanding of the world, its function and scope should be examined and critically evaluated. The following questions may help students become aware of the nature and power of sense perception, and how it relates to knowledge acquisition, knowledge claims, and their justification. Nature of Sense Perception In what ways does the biological constitution of a living organism determine, influence or limit its sense perception? If humans are sensitive only to certain ranges of stimuli, what consequences or limitations might this have for the acquisition of knowledge?
The picture to the left shows us how our brain our can be tricked.
The picture has two aspects to it, but if you are not told that there is two possible ways of perceiving the image, then you will most likely only see one of the aspects.
It is only when you are told what the other picture is, then you will no longer be able to ignore it, and it may even become the dominant image.
TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes.
Beau Lotto's color games puzzle your vision, but they also spotlight what you can't normally see: This fun, first-hand look at your own versatile sense of sight reveals how evolution tints your perception of what's really out there.
Our brain perceives sounds as specific words, as it is trying to make sense of the sound. People will hear different things depending on previous experiences and what may be on their mind at the time they hear the sound.
The second illusion in the audio clip, are tones separated by octaves, which creates an effect of a descending tone, that really goes nowhere but stays at the same level. The examples illustrate how our brain works and how it can be triggered; as it is constantly trying to find a way of perceiving things that is not suppose to be there.
The sense of taste along with the sense of smell determines the flavour of foods or other substances. There are five basic terms we use in order to determine a taste: Taste buds are able to detect taste by interacting with the molecules and ions and the connection we make with past experiences and qualia.
Our tongue is split into sections where the different taste-buds can taste different flavours. Inside out taste-buds are receptors that react with the chemicals from the food we eat and the drinks we drinks. Damage to these nerves can alter our sense perception.
Our sense of smell is substantially more sensitive than any of our other senses, and its ability to recognise scents is immediate.
The mind relies on this recognition ability of our olfactory sense in order to recall memories. When dealing with a familiar scent, the brain immediately associates the scent with a past experience.
There are a lot of people who report problems with their sense of smell, about one to two percent of North Americans. This is more common in men than women, and more problems occur with the sense of smell as age increases, and in one study, nearly one-quarter of men ages 60—69 had a smell disorder, while about 11 percent of women in that age range reported a problem.
The Pacinian corpuscle senses physical pressure to the skin in areas that are hairless. The Free nerve ending is simply a nerve fibre in the skin, it is sensitive to any kind of distortion such as pressure or tissue damage.
Pressure and temperature are the basic ingredients of the cutaneous sense . Our cutaneous sense have to do with our reflexes and the way we respond to factors such as temperatures. Many people suffer from taste and smell disorders, which has a huge affect on the people. This can be explored more in the link to the right.Real life situations for sense perception Although the ‘heart’ of TOK is the concept of the knowledge question, you explore these questions – in both the essay and the presentation – via real life situations.
The evolution of knowledge is mostly because of sense perception. The most primitive versions of ourselves, for example the cavemen, heavily survived off of sense perception alone.
They knew by their senses that certain plants, animals, weather, etc. separated life and death.
The least limiting sense perception is through your past experiences. this is because experiences can always be re-experienced. for example, if you have a car accident, it will be in your nature to be very careful while driving, but you can always gain new knowledge by going into the car again.
With sense perception as a way of knowing, it is human being that must be understood first. “Knowing” is one of the ways that human beings “are”. This basic state of our Being-in-the-world must be understood/interpreted first.
Empiricism is a theory that states that knowledge comes only or primarily from sensory experience. It is one of several views of epistemology, the study of human knowledge, along with . Compare faith in this regard with emotion, memory and sense perception.
Faith is a new way of knowing in Theory of Knowledge. It does not rely on proof and often clashes with knowledge provided.