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Chapter 6 (E): Other Senses

Chapter 6 (E): Other Senses. Do-Now (Discussion). What are some vital characteristics of the following senses : Touch Kinesthesis Vestibular Taste Smell. Touch. Touch: Includes four distinct skin senses: Pressure Warmth Cold Pain. Homunculus. Touch. Kinesthesis :

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Chapter 6 (E): Other Senses

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  1. Chapter 6 (E):Other Senses

  2. Do-Now(Discussion) • What are some vital characteristics of the following senses: • Touch • Kinesthesis • Vestibular • Taste • Smell

  3. Touch • Touch: • Includes four distinct skin senses: • Pressure • Warmth • Cold • Pain

  4. Homunculus

  5. Touch • Kinesthesis: • The system for sensing the position and movement of individual body parts Whirling Dervishes

  6. Touch Wire Walk • Vestibular Sense: • The sense of body movement and position, including the sense of balance • Located in the inner ear

  7. Touch What do you think are some effects of an overactivevestibular sense? An underactivevestibular sense?

  8. Touch: Understanding Pain • Gate-Control Theory: • The theory that the spinal cord contains a neurological “gate” that blocks pain signals or allows them to pass on to the brain • The “gate” is opened by the activity of pain signals traveling up small nerve fibers and is closed by activity in larger fibers or by information coming from the brain • E.g. Rubbing the area around a stubbed toe will create competing stimulation that will block some pain messages

  9. Touch: Understanding Pain In addition to physiological factors, what else influences our perception ofpain?

  10. Biopsychosocial Influences of Pain

  11. Touch: Understanding Pain • Methods of Pain Control: • Drugs • Surgery • Acupuncture • Exercise • Hypnosis • Thought Distraction

  12. Taste Salty Sweet Sour Bitter Umami (Fresh Chicken)

  13. Taste From an evolutionary perspective, why do you think we are sensitive to each of the five types of taste?

  14. Taste • Survival Functions of Taste: • Sweet:Energy source • Salty:Sodium essential to physiological processes • Sour:Potentially toxic acid • Bitter:Potential poisons • Umami:Proteins to grow and repair tissue

  15. Smell Like taste, smell is a chemical sense. Odorants enter the nasal cavity to stimulate 5 million receptors to sense smell. Unlike taste, there are many different forms of smell.

  16. Smell

  17. Smell: Associations with Memory Can you think of a smell that elicits a particular memory? Why do you think this occurs?

  18. Smell: Associations with Memory

  19. Sensory Interaction • Sensory Interaction: • The principle that one sense may influence another • E.g. the taste of strawberry interacts with its smell and its texture on the tongue to produce flavor

  20. Review How does the Gate-Control Theory explain our perception of pain? What are the survival functions of each of the five types of taste? Why do smells often triggermemories? Provide an example of sensory interaction.

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