Brain Cells

Delve into the fascinating world of brain cells and neurons to understand their structure, function, and communication process. Explore the microscopic level composition of the brain, the significance of neuron shapes, and the intricate workings of synapses in transmitting signals between neurons. Unravel the journey of a signal through a neuron and discover how neurotransmitters play a pivotal role in neuron communication. Reflect on your learning, ponder about areas of confusion, and stoke your curiosity to delve deeper into the mysteries of the brain.

• Brain Cells
• Neurons
• Synapses
• Neurotransmission
• Brain Function

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Uploaded on May 16, 2024 | 1 Views

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Presentation Transcript

1. Brain Cells

2. What is the brain made up of at the smallest level? Why do brain cells have their shape?

3. What is the brain made up of at the smallest level?

4. Brain cell = Neuron Cells in the brain that carry signals to other parts of the brain

5. Structure of Basic Cell vs. Neuron

6. How does the brain work? Synapses! Connections between neurons Dendrites = Take in information Axon = Send out information

7. NEURON ACTIVITY 1. Label the parts of the neuron. Synapse Axon terminal Dendrite Cell body Nucleus Axon Myelin Sheath 2. Describe how a signal travels through a neuron to the next neuron. __________________________________________________________________________ __________________________________________________________________________

8. Reflection Time Think about what you did and learned today. What does that make you think? Where do you feel confused? What are you still curious to learn more about?

9. Lets go deeper What s happening at a synapse? Chemical release from one neuron to another Packages of chemicals (vesicles of neurotransmitters) are released from one neuron Another neuron receives the chemicals (receptors) Neurotransmission

10. How do neurons communicate?

11. Neurotransmission RECEPTORS NEUROTRANSMITTERS Chemicals in vesicles that get released Examples: dopamine, serotonin Receivers for specific chemicals Examples: dopamine receptor, serotonin receptor

12. Normal Neurotransmission Example: Dopamine (DA) signals reward Transporter Messenger Receptor Action Potential DA DA DA DA Pre-synaptic neuron Post-synaptic neuron

13. Neurotransmission Game! Acting it Out: Roles: Electrical signal Vesicles (containing neurotransmitters) Receptor Messenger Transporter Electrical Signal > Vesicle > Receptor > Messenger Messenger > Receptor > Neurotransmitter > Transporter

14. Reflection Time Think about what you did and learned today. What does that make you think? Where do you feel confused? What are you still curious to learn more about?