Help
Options
Question
What are the past theories to explain functions of the mind?
click to flip
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't know
Question
Who was Camillo Golgi?
Remaining cards (32)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Neurons
| Question | Answer |
|---|---|
| What are the past theories to explain functions of the mind? | Humors, Hydraulic, and Spiritual Theories |
| Who was Camillo Golgi? | A scientist who worked on "silver staining" |
| What did Ramon y Cajal do? | Came up with theories and improvements to staining methods |
| What are Neurons? | Specialized cells that receive/transmit information throughout the body and brain |
| How many neurons do we have in our body by adulthood? | 80-100 billion |
| Where are neurons located? | Throughout the body with the highest concentration in the brain regions |
| What makes up a neuron? | The cell body, dendrites, axon, terminal branches, myelin sheath, and neural impulse |
| Cell Body | The cell's life support center |
| Dendrites | Receives messages from other cells |
| Axon | Passes messages away from the cell body to other neurons, muscles, or glands |
| Neural Impules | Electrical signal traveling down the axon |
| Terminal branches of axon | Form junctions with other cells |
| Myelin Sheath | Covers the axon of some neurons and helps speed neural impulses |
| What is the Synapse? | A very small space that separates the terminal buttons of one neutron from the dendrites of another |
| What are Neurotransmitters? | Chemicals that are released by pores in the terminal buttons of neurons |
| What are neurotransmitters do? | They can either excite or inhibit |
| Excite | Increase the chances of to cause the second neuron to release its neurotransmitters |
| Inhibit | Reduce the likelihood that the second neuron releases its neurotransmitters |
| How do neurons know when to release neurotransmitters? | When the dendrites of a neuron are excited they start the action potential at the axon |
| What is the Action Potential? | An all-or-none signal that is propagated along the axon of the neuron and involves a flow of positive and negative charged ions along the length of the axon |
| What happens in the Synapse? | Activation (excitation/inhibition), Reuptake, and Diffusion/Metabolized |
| Activation | Neurotransmitters temporarily "cling" to the dendrites of another neuron, and influence the neuron based on the type of neurotransmitter that was released |
| Reuptake | The axon terminal eventually "suck back" the neurotransmitters that were released almost like recycling |
| Diffusion/Metabolized | The neurotransmitter can be broken down, washed away, or used up by other cells and enzymes that are located in the synapse |
| Glia(l) Cells | Cells that support neurons by removing waste, synchronizing activity, and insulating neurons such as protection and mylenation |
| What are three examples of neurotransmitters? | Acetylcholine (Ach), Dopamine (DA), and Serotonin (5-HT) |
| Acetylcholine | Released at every motor neuron at the skeletal muscle synapses. |
| How is botulin related to ACh? | Poison blocks ACh release from sending neurons, causing paralysis |
| How is Black Widow Venom related to ACh? | Poison causes flood of Ach causing violent convulsion |
| Dopamine | Implicated in "reward" or positive emotional sensation and motivation |
| What is associated with high levels of Dopamine? | Schizophrenia and hallucinations |
| What is associated with low levels of Dopamine? | Parkinson's Disease |
| Serotonin | Implicated in psychological wellness/mood and is linked to areas that control hunger, sleep cycles, and arousal |
Created by:
100001362536770
Popular Psychology sets