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Lab 3 Sensory Physiology

Lab 3 Sensory Physiology






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    Lab 3 Sensory Physiology Lab 3 Sensory Physiology Presentation Transcript

    • Lab 3 Sensory Physiology
      • Today’s lab...
      • Practical
      • Quiz Bank & blog
      • Lecture
      • Eye dissection
      • Sensory activities
      • turn in worksheet pg 61-62
      • Finding references lecture
      • Next week:
      • Quiz 1
      • Library worksheet due pgs 63-65
      • Photosynthesis lab
    • Questions from last week
      • Why do fetal pigs have teeth? How does pig dental development (and number/type of teeth) differ from humans? (also – what about those hollow un-erupted teeth in the fetal pig? Is this what human teeth look like before they break through the gum?)
      • Do fetal pigs have an “appendix”? Why or why not?
      • What is the purpose of the soft tissue on the hooves of the fetal pig? What happens to this tissue when the pigs are born?
      • What is the stomach of the fetal pig? How does the fetal pig get food? What does the liver do in the fetal pig?
      • Pigs don’t have clavicles. Did they lose them in evolution, or did clavicles develop in other lineages of mammals? Explain the development / loss of the clavicle through evolutionary lineages.
      • Can you live without your pancreas?
      • Why are there so many large taste buds on the sides of the fetal pigs tongue?
      • How does the “morning after” pill work? Is it the same as the ‘progestin minipill’?
      • Why can some women have an orgasm and others can not? Does this have to do with the development or protrusion of the citreous? Is it true that some women can not have an orgasm at all?
      • Is there a genetic basis for homosexuality? Can homosexuality be derived from social experience?
      • Does whether or not a woman has an orgasm during intercourse affect her chances of getting pregnant?
      • How long can sperm survive inside a human body?
    • Sensory Physiology
      • This lab covers human anatomy of sensory structures, sensations, and reflexes .
      Today’s focus is on sight, sound, plus stretch reflexes.
    • Vision...
      • Blind spot
      • Color vision
      Anatomy of the eye Accommodation Superimposition Pupillary reflex
    • The Human Eye
    •   Sheep Eye Dissection http://jbworld.jbs.st-louis.mo.us/science/resources/skeleton/eye/eyedissection.html
    • Near vs far sightedness Accommodation exercise
    • Rods and cones
    • What colors do animals see? Dogs don't have a fovea. chromatophores
    • People vs cats tapetum lucidum
    • Some animals can see uv light
    • Some animals can see uv light
    • Many of the genes involved in color vision are on the X chromosome
    • “ Seeing” happens in your BRAIN
    • Synesthesia
      • http:// www.youtube.com/watch?v =hLhuRIeHj6Q&feature=related
    • Ear Anatomy of the ear Localization of sounds Bone conduction of sounds
    • 150 Firecracker 120 Ambulance siren 110 Chain saw, Rock concert 105 Personal stereo system at maximum level 100 Wood shop, Snowmobile 95 Motorcycle 90 Power mower 85 Heavy city traffic 60 Normal conversation 40 Refrigerator humming 30 Whispered voice How loud is too loud?
    • The Human Ear
    • Spine and brain = Central Nervous System Peripheral nervous system Motor neurons Sympathetic Parasympathetic
    • Spinal Cord Injury Head Injury
    • A basic pathway of the neurosystem
    • Knee jerk reflex
      • Reflex arc
      Stimulus Receptor Neuron Sensory Neuron Spinal Cord Motor Neuron Muscle Response
    • Illustration of the Knee-jerk reaction
    • Infant Reflexes
    • Howard Hughs Medical Institute –
      • Seeing, hearing and smelling the world: http:// www.hhmi.org /senses/
      • You are responsible for the terms in the "What's happening" sections as well as the cornea and the fovea of the eye.
      Today’s Lab NEXT WEEK LIBRARY WORKSHEET DUE Sensory physiology datasheet (DS2, pp. 61-62 - 5 pts.) - Due at end of lab.
    • Finding articles Photosynthesis lab: Effect of wavelength of light and intensity of light on photosynthesis Anacharis
    • Gatorlink VPN Client
      • http://net- services.ufl.edu/~ns/provided_services/vpn /
      • Download software from this site to log into university computers from anywhere in the world
    • Find database to find articles http:// www.uflib.ufl.edu/databases.html
      • By subject
        • Ex. Botany
      • Project Starters
        • Academic Search Primer
      • Databases A-Z
        • Web of Science
      • Subject guides and specialists
    • Get the article online Export your references http:// www.liu.edu/cwis/cwp/library/workshop/citapa.htm References in proper format