BIOL 115 Study Guide - Final Guide: Multisensory Integration, Basal Ganglia, Sensory Neuron

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11 Dec 2017
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Stimulus: anything coming in from the external environment. Causes an action potential if it brings the membrane potential above the threshold. Processing: what your brain does with this information. Behavior: the output that results from our brain processing that stimulus. If there is a bear in front of you (stimulus), your brain sees this bear (processing) and you run away (behavior) Synapse: conducting unit from one neuron to the next. Concentration gradient: molecules in high concentration will move to areas of low concentration (diffusion) Electrical gradient: ions of opposite charge will be attracted to one another. Diffusion: molecules moving from areas of high concentration to areas of low concentration. Action potential: an electrochemical wave driven by the movement of ions along their electrical and concentration gradients. Voltage, current (very simple definitions for these, i. e. current is the flow of charge, voltage is when you separate charges)

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