VISUAL PERCEPTION Essay Example

  • Category:
    Architecture
  • Document type:
    Assignment
  • Level:
    Undergraduate
  • Page:
    2
  • Words:
    1183

Name of the student

Table of Contents

3Introduction 1.0

3Categorical perception (CP) 2.0

5Ouchi effect 3.0

5Blinking effects 4.0

7Conclusion 4.0

8Reference

1.0 Introduction

Fairchild (2013) defines visual perception as a means using hallucination to get information concerning our surroundings and circumstances. They further state that it is a process of using hallucinating to acquire not any other information but vital information which is relevant to our daily lives. Perceptions depend on the interaction between our brains and eye to diagnose and interpret it turning it into reality. Human beings perceive the world in four significant ways and these four ways are:

  • Movements

  • Shape and

  • Brightness

There are different types of perception, and the first one is categorical perception

2.0 Categorical perception (CP)

Kaiser (2007) describes categorical perception as characteristics of possessed by various observers influence their perception concerning their perception. In practical terms, categorical perception is realized in circumstances where the ability of the observer to make perceptual discrimination between things is enhanced when those things belong to distinct categories and not the same categories, controlling for physical difference among objects. Firestone & Scholl (2015) argues that categorical perception is a crucial phenomenon to support categorizations that an organism requires making. Sensory signals that a being requires making. Sensory signals that are capable of being linearly related to physical qualities that are wrapped in a nonlinear manner, giving a transformational analog input into quasi-digital quasi-symbolic encodings.

Take for instance rainbow; there are seven distinct colour bands. However, from physics lessons, we learn that the dominant wavelength of light is capable of meeting changes in one’s eye as it translates smoothly from the top to bottom of the rainbow (Firestone & Scholl, 2015). It should be noted that rainbow present itself with an incessant and complete range of visible wavelengths of light, people tend to see it regarding different colors which include red, blue, yellow and violet which gives a clear example of categorical perception.

Categorical perception theorists argue that people perceive the world regarding categories that are formed in their minds. Individual’s perception are covered in such a way that is distinct from objects that fall into the same category are deemphasized (Kaiser & Boynton, 2006).

Categorical perception theory is an important phenomenon in cognitive science due to the fact that it composed of the interplay between human beings with higher level of conceptual system and lower level of conceptual system (Fairchild, 2013) Normally, information flow diagrams in cognitive science simply draw a clear division between perceptual and conceptual systems with the present information running from perception to the intangible system with the regularity effects of CP showing permeability and bidirectional impact among the system.

3.0 Ouchi effect

Critiacal analysis of colour application

It was named after the inventor known as the Hajime Ouchi from Japan who discovered the illusion which was being brought by vertical patterns when they are combined. They cause jitters effect on the eye which is being translated to the brain which further perceive them as a moving object which in reality does not exist. Another categorical perception is the blinking effect (Fairchild, 2013). This is explained in details as shown below;

4.0 Blinking effects

Critiacal analysis of colour application 1

From the above figure, if one tries to count the dots which exist in the above diagram, the blinking effect will be felt. Thought the image is static, the eyes will make it dynamic and tries to fill on the yellow circles in the background which is blue. When colored lines cross to the neutral background, appear to be colored. Furthermore, if the grids are distorted the false impression is reduced and sometimes might vanish completely.

Scholars like Wagemans et al., (2012 argues that there are two main theories as to how human visual system processes colour. The most common theory based on the concept of illustration system is maximally receptive to three separate colours and that the colours vision is as a consequence of a mixture of differential responses of the three components. As evidence in this theory, the proponents of the theory suggests that the fact that all colours that are capable of being perceived can be created by combining the three primary colours which have different wavelengths.

An individual simply needs to differentiate the intensity of the three lights so long as they are of different wavelength and one can get the three colours mixed to display almost any colors.

Another contradicting theory is the process theory which is normally based on the idea that visual system is responsive to three pairs of colour which include green blue and yellow and to further extent black white. This ensures colors Austin is well combined to different responses of the three distinct components (Wagemans et al., 2012). The evidence which supporters of the theory quote is the image effects. For example, when most people stare at a bright green color for a long time then turn to look for a white field, they will automatically see red colour which is recorded in their brain and the opposite is true when looking for the red color for a long time. Similar experienced will be felt when an individual stared at blue and yellow color respectively.

Wagemans et al., (2012) argued that the two theories are accurate and true to the extent at which they are being applied and at a different level of the nervous system. Somewhere along the same line. It is true that people have rods and cons in their eyes. Cons and rods are particular types of neurons known as receptors which help in converting the physical signals to neutral signals. In the visual system, receptors are known as a photoreceptor. The color vision in human beings is aided by ones. There are three particular types of cons in human beings and are maximally responsive to three different types of wavelengths. The wavelengths are represented in the color red, black and white for most people (Kaiser, 2007).

4.0 Conclusion

Visual perception is a process of using hallucinating to acquire not any other information but is very relevant to our daily lives. Perceptions depend on the interaction between our brains and eye to diagnose and interpret it turning it into reality. As evidence in this theory, the proponents of the theory suggests that the fact that all colours that are capable of being perceived can be created by combining the three primary colours which have different wavelengths. When colored lines cross to the neutral background, appear to be colored. Furthermore, if the grids are distorted the false impression is reduced and sometimes might vanish completely.

Reference

Fairchild, M. D (2013). Color appearance models. John Wiley & son

Firestone, C., & Scholl, B. J. (2015). Enhanced visual awareness for morality and pajamas? Perception vs. memory in ‘top-down’effects. Cognition, 136, 409-416.

Kaiser, P.K. & Boynton, R.M (2006) human color

Kaiser, P.K. 2007. The joy pf visual perception:A Web Book.http://www.ca/eye/noframes.htm.

Wagemans, J., Elder, J. H., Kubovy, M., Palmer, S. E., Peterson, M. A., Singh, M., & von der Heydt, R. (2012). A century of Gestalt psychology in visual perception: I. Perceptual grouping and figure–ground organization. Psychological bulletin, 138(6), 1172.