Kyia Williams Ms. Robbins-Price December 11‚ 2014 Eng 1101 Sensation and Perception As It Relates to Human Processing Although well related‚ sensation and perception play two complimentary but vastly different roles in how we interpret our world as humans. Sensation refers to the process of sensing our environment through touch‚ taste‚ sight‚ sound‚ and smell‚ also known as the five senses. This information is then sent to our brains in raw form where perception comes into play. Perception is
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Introduction 3 2. Perception 3 3. The positioning map 4 4. Sensory systems 5 5.1. Vision 5 5.2. Sound 7 5.3. Touch 8 5.4. Smell 9 5.5. Taste 10 5. Sensory Thresholds 11 6.6. Absolute Thresholds 11 6.7. Differential Thresholds 12 6. Subliminal Perception 12 7. Perception Selection 13 8.8. Exposure 13 8.9. Attention 13 8. Interpretation 14 9.10. Figure-ground 15 9. Symbols 15 10. Conclusion
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THE UNIVERSITY OF ZAMBIA IN ASSOCIATION WITH TECHNICAL AND VOCATIONAL TEACHERS’COLLEGE‚ LUANSHYA DECEMBER‚ 2010 FINAL DIPLOMA EXAMINATIONS SUBJECT: Educational Psychology COURSE: Education DURATION: Three hours (3) TOTAL MARKS: 100 INSTRUCTIONS TO CANDIDATES I. There are four(4) sections in this examination paper (A‚B‚C and D) Section A has twenty (20) multiple choice questions. Attempt all by writing down the question number and letter you think is a correct response. Your responses should be written
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Chapter 2: Perception Difference between perception and sensation our own “spin” on things is the perception that we get from it. Sensation is the immediate response of our sensory reactions to things Perception is the process by which these sensations are selected‚ organized‚ and interpreted. Perception is what we take away from our raw sensations Example is the cola and the pepsi‚ using only senses‚ we cannot tell the difference between them but if we are to add in perception of the beand
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be you "smelling" the bacon. 3. Difference Threshold is the minimum change in sensation necessary for a person to detect it. So the absolute threshold is that it focuses on changes in sensations not the minimum sensation needed for detection. So for example a change in volume in certain frequencies would be crossing the absolute threshold‚ how much that change would need to be for someone to detect it would be dealing with the difference threshold. 4. Motivation can be defined as the driving
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ACTIVITY 1: THE RESTING MEMBRANE POTENTIAL 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out the neuron through the K+ leak channels? When the diffusion is greater on one side‚ the other side will slow down. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value. How well did the results compare with your predictions? There are two potassium’s for every sodium so the increase of potassium will make it more
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Neurophysiology of Nerve Impulses ACTIVITY 1 The Resting Membrane Potential 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels. If the extracellular K+ increases then the concentration of intracellular K+ will decrease causing a decrease in the steepness of the concentration gradient and fewer K+ ions would be drawn out. 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative
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PERCEPTION; Subliminal Perception and Supraliminal Perception Kimberlene A. Catalan BSA 1-8 INTRODUCTION Imagine you are watching a group of Hawaiian women dancing to soft and filling ukulele music. Your Hawaiian friend‚ watching with you‚ exclaimed‚ “What a beautiful story!” You keep staring but neither see nor hear any story. You merely hear a pleasant melody and see some women waving their arms and wiggling. As your friend explains the meaning of each dance movements you begin to recognize
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Activity 1: The Resting Membrane Potential Pre-lab Quiz Results 1. What is the approximate concentration of K+ inside a typical cell (intracellular concentration)? a. 150 mM 2. What is the approximate concentration of K+ outside a cell (extracellular concentration)? b. 5 mM 3. What is the approximate concentration of Na+ inside a cell (intracellular concentration)? b. 5 mM 4. What is the approximate concentration of Na+ outside a cell (extracellular concentration)? a. 150 mM Experiment
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that was on the outside of the membrane to go into the cell. Sodium has a positive charge‚ which makes the neuron become more positive and depolarized. As depolarization reaches threshold of -55mV‚ the action potential is triggered and sodium ions (Na+) rush into the cell. If the neuron does not reach this critical threshold‚ then no action potential will fire. It takes longer for potassium channels to open. When they do open‚ potassium (K+) rushes out of the cell‚ reversing the depolarization. Also
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