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Declarative
fact memory including faces, words, dates, and names
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Non declarative
skills motor memory emotional memory acquired through experience and repetition
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Alpha waves
a clam relaxed awake brain
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Beta waves
Mentally alert or concentrated brain
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Theta Waves
Common in children and in some adults while concentrating
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Delta waves
Sleep & anestatized brain or an indication of brain damage in a waken adult
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Types of sleep
- Non- rapid eye movement (NREM)- 1st 90 min of sleep cycle, Depressed functioning
- Rapid eye movement (REM)- occurs after 90 min into sleep cycle dream stage Increased functioning in a stage of temporary paralysis
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Current
Is the flow of electrons or ions from one point to another for the purpose of doing work
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Potential difference
is the difference in charges separated by some device semipermeable membrane
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The greater the potential difference the higher the ......
Voltage
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Voltage
Is the energy generated by a separation of charges
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Resistance
Is the opposition to flow of electrons or ions from one point to another that decreases the current and is determined by the material for which current passes through
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A conductor
is a good electrical conductor, metal, water open ion channels
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Insulator
is a poor electrical conductor, rubber, plastic, plasma membrane
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Potential energy
energy that is stored that has the potential to do work
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Electrical potential
for cells the charge difference across the cell membrane
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Hyperpolarization
is an increase in membraine potential (increasing the difference in charges across the membraine which makes it less likely for an nerve impulse to be generated)
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Deploarization
is a reduction in membraine potential ( lessening of the difference in charges across the membrane which increases the probability of a nerve impulse to be generated)
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Action potentials
are usually outgoing signals, strong in operates over long distances
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Graded Potentials
are usually incoming signals week in strength which operates over short distances
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