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Psyc vh 3 vocab
The brain
Term | Definition |
---|---|
Neurotransmitters | chemicals such as acetylcholine and dopamine |
Cerecal cortex | Outer layer of brain, from the latin word for "bark" |
Synapse | Junction between the axon terminals of the sending neuron and the dendrites of the receiving room |
Limbic System | forms a border around the brain stem and is involved in survival behaviors |
hypothalamus | tiny,vital to regulation of the body temp. storage of nutrients and various aspects of motivation and emotion |
myelin | white,fatty substance that insulates and protects the axon |
Medulla | Part of the hindbrain involved in heart rate, blood pressure, and breathing |
pons | involved in regulating the body movements attention sleep and alertness. |
somatic nervous system | transmits sensory messages to the central nervous system |
Dendrites | carry information to the cell body |
Thalamus | Relay station for sensory stimulation,including sight and hearing. |
Corpus Callosum | structure that connects the two hemispheres of the brain |
cell body | Produces energy to fuel call activity |
Spinal Cord | Carries messages from the brain to specific muscles |
Axon | Transmits messages away from the cell body |
Peripheral nervous system | transmits messages between the central nervous system and all parts of the body |
Neurons | nerve cells |
Cerebrum | makes possible learning of complex information and abstract thinking |
Autonomic nervous system | Governs involuntary muscles and internal organs |
Cerebellum | "Little brain" in latin involved in balance and coordination. |