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10 cards from this deck
Nerve impulses as complete responses, not variable
Minimum stimulus intensity to trigger action potential
No action potential; no nerve impulse travels
All identical in size and strength (same magnitude)
Stronger stimuli generate more action potentials per time
Stronger stimuli activate more neurones with higher thresholds
Recovery phase when neurone is unresponsive after action potential
Voltage-gated sodium channels closed; no new action potential possible
Region behind impulse unresponsive, prevents backward travel
Sets upper limit on action potential generation rate
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