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Myers 14th Ed. Ch. 2
Myers 14th Ed. Ch. 2.1-2.5
| Term | Definition |
|---|---|
| use advanced techniques to study the links between biological (genetic, neural, hormonal) processes and psychologies processes. | biological psychologists |
| the brains ability to change during childhood by reorganizing after damage or by building new pathways based on experience | neuroplasticity |
| neurons | nerve cells |
| dentrites | receive message from other cells |
| axon | passes messages away from the cell body to other neurons, muscles or glands |
| neural impules | action potential, electrical signal traveling down the axon |
| myelin sheath | covers the axon of some neurons and helps spread neural impulses |
| cell body | the cell life support center |
| terminal branches | form junction with other cells |
| glial cells (glia) | cells in the nervous system that support, nourish, and protects neurons: they can also play a role in learning, thinking and memory |
| action potenial | a neural impulse: a brief electrical charge that travels down an axon |
| refractory period | a resting pause |
| synapse | the meeting point between neurons |
| synaptic gap | the axon terminal one of the neurons is separated from the receiving neuron by a tiny (gap) called |
| neurontransmitters | chemical messengers |
| threshold | the level of stimulation required to trigger a neural impulse |
| all-or-none response | a neurons reaction of either firing or not firing |
| reuptake | a neurotransmitters reabsorption by the sending neuron |
| agonist | a molecule that increases a neurotransmitters action |
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