Study cards for Chapter 2 of Psychology by David G Myers
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| 7375116313 | Neuron | A nerve cell; the basic building block of all functions of humans |  | 0 |
| 7375116314 | Dendrite | Receives messages from other cells |  | 1 |
| 7375116315 | Axon | Passes messages away from the cell body to other neurons, muscles, or glands |  | 2 |
| 7375116316 | Myelin Sheath | Covers the axon of some neurons and speeds impulses |  | 3 |
| 7375116317 | Action Potential | A neural impulse that travels down the axon |  | 4 |
| 7375116318 | Threshold | Stimulation required to trigger an impulse | 5 | |
| 7375116319 | Synapse | Space between the axon tip and the dendrite |  | 6 |
| 7375116320 | Neurotransmitters | Chemical messengers that travel between synaptic gaps |  | 7 |
| 7375116321 | Acetylcholine | Muscle action, learning, and memory | 8 | |
| 7375116322 | Dopamine | Movement, learning, attention, and emotion | 9 | |
| 7375116323 | Serotonin | Mood, hunger, sleep, and arousal | 10 | |
| 7375116324 | Norepinephrine | Alertness and arousal |  | 11 |
| 7375116325 | Endorphins | Opiatelike neurotransmitters linked to pain control and pleasure |  | 12 |
| 7375116326 | Central Nervous System | Brain and spinal cord |  | 13 |
| 7375116327 | Peripheral Nervous System | Sensory and motor neurons that connect the CNS to the rest of the body |  | 14 |
| 7375116328 | Sensory Neurons | Carry incoming information from the sense receptors to the CNS |  | 15 |
| 7375116329 | Interneurons | CNS neurons that communicate between sensory and motor neurons | 16 | |
| 7375116330 | Motor Neurons | Carry outgoing information from the CNS to the muscles and glands | | 17 |
| 7375116331 | Somatic Nervous System | Controls the body's skeletal muscles |  | 18 |
| 7375116332 | Autonomic Nervous System | Controls the glands and muscles of the internal organs | 19 | |
| 7375116333 | Sympathetic Nervous System | Arouses the body in stressful situations |  | 20 |
| 7375116334 | Parasympathetic Nervous System | Calms the body to conserve energy |  | 21 |
| 7375116335 | Reflex | Simple inborn response to a sensory stimulus |  | 22 |
| 7375116336 | Neural Networks | Interconnected neural cells |  | 23 |
| 7375116337 | Lesion | Tissue destruction |  | 24 |
| 7375116351 | Glial Cells | Support, nourish, and protect neurons |  | 25 |
| 7376319129 | Parkinson's Disease | Not enough dopamine | 26 | |
| 7376331038 | Alzheimer's Disease | Not enough acetylcholine | 27 | |
| 7376345641 | Schizophrenia | Associated with excess dopamine | 28 | |
| 7376351542 | Opiate addiction | Artificial increase in endorphin production due to antagonist drugs | 29 |
