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AIM: To understand the importance and relevance of mirror neurons HW: Complete the questions that go along with the concept map on motor neurons. Unit test on the Nervous and Endocrine System is MONDAY! Make 10 or more index cards for 2 extra points!! Castle Learning is due TONIGHT at 11:59! Do Now: 1/26/17 1) Take out last night’s homework. 2) Label the neuron diagram on your activity packet. Label the Neuron 1. 5. 3. 2. 4. 1) The “cold” sensation comes from menthol, a component of peppermint oil 3) 46 to 82 degrees 4) Whipped air lowers the melting rate 2) The “heat” sensation depends on channels in nerve cells. They are called ion channels which allow electrically charged sodium and calcium atoms to enter the nerve cell. Signals then travel to different neurons, which the brain and spinal cord decode as “heat” Let’s Review… 1) What is the function of a neuron? To send messages to the brain or muscle/gland. They sense a stimulus, send messages to the brain and spinal cord, and then to a muscle or gland to trigger a response. 2) Where are neurons found? Neurons are found all over the body. We are made up of approximately 100 billion nerve cells! 3) What is the synapse? What happens there? The synapse is the gap between the axon terminal and the dendrites. At the synapse, transmitting molecules (neurotransmitters) are sent across the synapse to move from one nerve cell to another. Mirror Neuron Activity Directions: Face your partner and watch the video clip you are assigned to. Your partner is to record any observations they see as you watch the video in their packet next to the assigned video clip. After partner #1 has watched the first video clip, switch seats and you are now the observer. Observe your partner as partner #2 watches a video clip. Repeat this until both partners have seen two video clips each. **YOU ARE NOT ALLOWED TO TURN AROUND AND WATCH YOUR PARTNERS VIDEO CLIPS!** Name of Partner #1 __________________ Name of Partner #2 __________________ Video Clip #1 Video Clip #2 Video Clip #3 Video Clip #4 Video Clips Video Clip #1https://www.youtube.com/watch?v=ErMWX--UJZ4 Video Clip #2https://www.youtube.com/watch?v=kHz8-1UFaKQ Video Clip #3https://www.youtube.com/watch?v=Uj9CysSSsps&NR=1 Video Clip #4https://www.youtube.com/watch?v=dpf2hsZGsJM&featur e=related Conclusion Questions • Work with your lab groups, (groups of 4) and answer the conclusion questions together. Conclusion Questions - Review 1) Identify the emotions on the people below: Happy Shocked/Surprised Confused 2) Why do you think you were able to identify the emotions above? You were able to read their facial expressiosns. In this activity, we saw that our partner reacted and showed facial expressiosn that allowed you to come to the conclusion that they were expressing a certain emotion. Ex) When you see a person that is sad, you also feel sad. 3) Create your own definition of a “mirror neuron.” (Break down the two words to come up with a definition). A neuron that shows an emotion you are seeing. It reflects an emotion that you are seeing by sending a message to the brain, telling you to feel a specific emotion. 4) How is a mirror neuron similar to a reflex? (Hint: One example of a reflex is the movement or “kick” of your leg when a doctor taps your knee/patella tendon) A reflex is an automatic response; you do not have to think about it. With mirror neurons, you also do not have to think about the emotion being expressed. They both are automatic and produce a response without thinking about it. Ukulele Boy Basketball Clip Rhino Beetle Thailand Commercial Concept Map Exit Slip 1) Give an example from a time in your life where you may have experience the results of a mirror neuron working. 2) Name another reflex that you know of in your body (other than the one in your knee), and describe how it happens.