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Lesson33Perception&PersonPerception - Lesson-33...

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Lesson:-33 Perception and Person perception Learning Objectives Dear students after going through this chapter, you are expected to be able to understand and interpret the following: 9 The Nature and Importance of Perception 9 Perceptual process 9 Factors affecting Perception 9 Social perception 9 Attribution theory Perception refers to the way we try to understand the world around us. We gather information through our five sense organs, but perception adds meaning to these sensory inputs. The process of perception is essentially subjective in nature, as it is never an exact recording of the event or the situation. Perception is the process by which we organize and interpret our sensory impressions in order to give meaning to the environment. As pointed out, a situation may be the same but the interpretation of that situation by two individuals may be immensely different. Definition: Perception is the set of processes by which an individual becomes aware of and interprets information about the environment. The perceptual process can be depicted simplistically in the following way : Figure 11.1 The Perceptual Process Sense organ s Registration Attention Action Consequences Feedback Interpretation Interest
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The model of perception helps one to understand the basic processes involved in human perception in a rather simplistic way. At a point of time, we are flooded with a myriad of stimuli impinging on our sense organs, like now as you are reading this particular page in front of you, light rays from the page are reaching your eyes. But these are, by no means, all. Light rays from every possible direction are also impinging on your retina as well. At the same time you are also receiving a host of auditory stimuli --- the humming of the air conditioner, some body talking out aloud outside, the rustling of the papers on your table, etc. Similarly, every sense organs of your body are bombarded with a number of different stimuli simultaneously. But our brain and the nervous system are not capable of processing so many pieces of information all together. As it is now happening with you, you are, in all probability, hardly aware of all these sensory inputs reaching you. Thus what happens is that we only selectively choose from among a host of stimuli and process only those. If we examine the model above we will find that only those stimuli are given entry to the process of ‘registration’ which have got adequate attention or have aroused our interest. Factors affecting perception Internal Factors 9 Sensory Limits and Thresholds : Our sensory organs have specialized nerves which respond differently to the various forms of energy they receive. For instance, our eyes receive and convert light waves into electrical energy which are transmitted to the visual cortex of the brain to create the sensation of vision and subsequently leading to perception. But each sense receptor requires a minimum level of energy to excite it before perception can take place. The minimum level is called the absolute threshold – a point below which we do not perceive energy. The
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Lesson33Perception&PersonPerception - Lesson-33...

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