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PSY 150 Ch 2
Vocabulary
| Question | Answer |
|---|---|
| biological psychology | specialized branch of psychology |
| Reuptake | The process by which neurotrasmitter molecules detach from a postsynaptic neuron and are reabsorbed by a presynaptic neuron so they can be recycled and used again. |
| synapse | The point of communication between two neurons' ont actually a connection, but a microscopic gap or cleft. |
| corticalization | The increased size and wrinkling of the human cerebral cortex |
| Hindbrain | Mr. MCCoy referred to this part of the brain as the reptillian |
| Parietal lobe | Where both the primary motor cortex and the somatosensory cortex ae located |
| Thalamus | Greek for "inner chamber" this limbic structure relays incoming sensory information (with exception of smell) to the cerebral cortex |
| Action potential | Brief electrical impulse by which information is transmitted along the axon of a neuron; the firing of a neuron |
| All-or-none principle | The law states that neurons are either stimulated enough to fire an action potential or not. |
| Lobes of the brain | 4: Frontal, occipital, Temporal and parietal |
| Resting Potential | Before a neuron fires it has a harge of about -70mvs |
| Motor | These neurons 9also known as efferent neurons) communicate information to the mscles and glands of the body |
| Inhibitory message | decresases teh likelihood that the postsynaptic neuron will activate and generate an action potential (fire a message) |
| Neurotransmitters | The molecules found inside the terminal buttons of brain cells. |
| Autonomic | This parat of the peripheral ervous sysstem is "self govening" or automatiac; it regulates involuntary functions such as heartbeat and blood pressure |
| EEG | This brain scanning device measures the overall cortical activity of the brain and gives a rough printout of squiggly lines |
| Cerrebellum | We share this brain area, lcated in the hindbrain and sometimes referred o as the little brain or old brain with fish, frogs, and even birds |
| Hippocapus Hippocampus | Damage to this limbic system sturcture might affect the creation of new long term memories |
| Left Hemisphere | RogerSperry's split brain research poinmted out that for most people speech resides alm almost exclusively. |
| topdown | Sum Total of a person's experiences and the effect they have on that persons perception in any situation |
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