kelsey inman elissa stiles cameron ponder joey trejo
TRANSCRIPT
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Kelsey Inman
Elissa Stiles
Cameron Ponder
Joey Trejo
SmellThe Adaption to similar odors---Occurring when sufficient concentration of odorant is present
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- Experiences of smell is Olfaction
-Olfactory Receptor Cells: Alert the brain through their axon fibers. Identify odors individually
-Odor Molecules: Come in different shapes and sizes making it more difficult fir receptors ti identify them.
*Odors bind with the receptors
Olfaction
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• 2 Flowers To each table
• What does it smell like?
• How do you know it’s a flower? Just by its smell?
• Does it bring back memories?
Activity#1
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- When the odor binds with the Receptors, smell is enhanced.
- Receptor protein that recognizes the particular odor particles are embedded on the surface of your nasal cavity neurons
- (like a key and a lock)
- Some odors trigger receptor combinations, which causes different receptor arrays
- The receptors then send messages to the Olfactory Bulb
- From there it goes to the temporal Lobes smell cortex
- Then leading to the limbic system that is involved with memory and emotion
Process of Smelling
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Three Major Parts: olfactory epithelium, olfactory bulb, olfactory tract
-Odor Molecules go into nasal cavity
-Olfactory epithelium-nasal membranes containing receptor cells sensitive to odors and is located at the top of the Olfactory Bulb
-the receptor cells- receive and separate the odors
-Olfactory Bulb –smell center in the brain
-Olfactory Nerve - each of the first pair of cranial nerves, transmitting impulses to the brain from the smell receptors in the mucous membrane of the nose.
-Olfactory tract-the pathway from the olfactory bulb to the temporal lobe which results in the awareness of smell
Olfactory Anatomy
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Worksheet Answers
Odorant Receptors
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-a hotline runs between the brain area that gets information from the nose and the brain’s limbic system that associate with memory and emotion.
- A certain smell can trigger a happy or a unhappy memory.
- Such as a flower- that may equal a happy memory.
Emotions
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• Again we will need a few people to demonstrate this activity
• There are boxes and none of you know what is inside
• Your sense of smell can help with knowing what is good to eat and what is not
• If you guess right that you are in fact able to eat it or not, you will receive a treat.
• Enjoy your snack ;)
Activity #2
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-Answer the following questions:
1. Smell?
a. Triggers an immediate reaction in another animal
b. 3 key functions of Olfaction
c. Inability to detect odors
d. Occurs when sufficient concentration of odorant is present
2. True or False
e. Olfactory Bulb = A term for a sense of smell
f. Odors can rekindle pleasant or unpleasant memories
3.The Olfactory Epithelium is located in the roof of the ________ _________
4. How is smell related to memory?
5. What are the 3 major parts of Olfaction?
Practice Quiz
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1.D
2. a. False b. True
3.Olfactory Bulb
4.They both go to the limbic system that deals with emotion and memory
5.olfactory epithelium, olfactory bulb, olfactory tract
answers
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Hot foods tastes better because the heat causes more of the pleasant smells to rise into the nose. These abundant smells contribute to the total taste of food.(http://www.modernghana.com/lifestyle/463/16/how-do-we-taste-things.html)
Fun Facts