Sensation Tutorial

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This tutorial corresponds with Module B Lesson 2 and should be used by students in my online Psyc 300 class at American River College.

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Sensation Tutorial

  1. 1. Sensation A Module B Lesson 2 Tutorial Created by: Professor Hokerson American River College Last Updated: Fall 2015
  2. 2. Using this Tutorial  Use the navigation buttons to advance through the slides.  Complete each slide as instructed.  Click on hyperlinks when prompted.  Have fun and learn!
  3. 3. Table of Contents (TOC)  Objectives  Module B Objectives # 17, 18, 21, and 23  Action Items  Sensation and Perception  Detecting sensory information  Sensory Organs and Functions  Summary of Sensory Processes  Conclusions
  4. 4. Module B Objectives After completing this tutorial you will be able to… # 17– Differentiate between sensation and perception. #18 – Identify the functions and structures that produce vision. #21– Identify the functions and structures that produce hearing. #23– Explain how “chemical senses” produce smell and taste.
  5. 5. Action items
  6. 6. Objective 17 Differentiate between sensation and perception
  7. 7. What do you see?  Do you see an old woman?  Do you see a young woman?  Chances are that by now you see both! That’s because your eyes are picking up sensory information and sending it to your brain to interpret!
  8. 8. What’s the difference? SENSATION PERCEPTION  Sensory information  Sound waves (ears)  Light wavelength (eyes)  Pressure (skin)  Chemicals (nose and tongue)  olfaction and gustation  Sensory organs encodes environmental stimuli into “brain language” as it is relayed to the brain!  Information relayed from sensory organs is interpreted in the brain  This process is an active (and subjective) interpretation of neural impulses  Integrated  Organized  Interpreted
  9. 9. Example Red appleLight waves in eyes Apple Crunchsound waves in ears dissolvable chemicals in nose Apple Aroma Apple TasteDissolvable chemicals in mouth Smooth apple skinPressure in hand
  10. 10. Detecting Sensory Information The minimum amount of environmental stimulus necessary (half the time) to detect the presence of these apples. The minimum amount of environmental stimulus necessary (half the time) to detect the colors of these apples.
  11. 11. Fact or Fiction  Question: With all of the sensory information that our bodies pick up at a time, is it possible to pay attention to all of it?  Watch! Click here to watch a short video that tests your perception.  Watch! Not convinced? Click here to try another perception test!  Just think of all of the important details that we miss!
  12. 12. Objective 18 Identify the functions and structures that produce vision
  13. 13. How We See (Vision)  Review: Chapter 3 (pages 90 – 94)
  14. 14. Objective 21 Identify the functions and structures that produce hearing
  15. 15. How We Hear (Audition)  Review: Chapter 3 (pages 98– 102)
  16. 16. More About Audition  Watch! Click here to go to this interactive tutorial which takes you through the process of audition. This website requires Adobe Shockwave and make sure your volume is turned on!  Question: Why do people suffer from hearing loss? Click here to find out what are its causes.
  17. 17. Objective 23 Explain how the “chemical senses” produce smell and taste.
  18. 18. How We Smell (Olfaction)  Watch: Here is a fun TedDEd video lesson about our olfactory sense!  Did you know? Have you ever wondered why pee smells after you eat asparagus? Or maybe you’ve never noticed? Here is an interesting article that helps to explain why or why not this happens!
  19. 19. Olfactory Pathways in the Brain  Review: Chapter 3 (pages 103 – 105)
  20. 20. How We Taste (Gustation)  Review: Chapter 3 (pages 105 – 106)  Watch! Click here to go to this interactive tutorial which takes you through the process of audition. This website requires Adobe Shockwave and make sure your volume is turned on!  Fun facts! Here are some more fun facts about the chemical senses!
  21. 21. Summary of Sensory Processes
  22. 22. Conclusions  Sensation and perception are dual processes.  Our sensory organs react to the environment.  Our brain interprets sensory information.  Perception is dependent upon sensation.  Both are essential for us to successfully navigate through our daily experiences.
  23. 23. Module B Objectives After completing this tutorial you should be able to… # 17– Differentiate between sensation and perception. #18 – Identify the functions and structures that produce vision. #21– Identify the functions and structures that produce hearing. #23– Explain how “chemical senses” produce smell and taste.

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