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Results for: 'Summation'

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Summation - defined, spatial, temporal & AP generation or not

By: HWC, Views: 7644

If several presynaptic end bulbs release their neurotransmitter at about the same time, the combined effect may generate a nerve impulse due to summation Summation may be spatial or temporal • A typical neuron may have thousands of synapses. A corresponding number of postsynaptic membrane ...

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Frequency of stimulation and force (Recruitment of motor units and force)

By: HWC, Views: 8040

• Muscle tension depends on the frequency of stimulation. • Muscle twitch: First stimulus. • Wave summation: When a second stimulus excites a partially relaxed muscle, producing a stronger contraction. • Unfused tetanus: Successive stimulations at the same frequency, producing a se...