GRE (Graduate Record Examinations) Psychology Behavioral Neuroscience-Neurons Study Material (Page 4 of 5)

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Transmission of a Nerve Impulse: Resting and Action Potential

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Membrane potentials are described by various ionic concentration configurations outside and inside the membrane of a cell. These potentials are resting membrane potential, action potential, post-synaptic potentials. Beginning with the transduction process at the receptor, physical energy results in a pattern of nerve impul…

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Transmission of a Nerve Impulse: Important Points and Refractory Period

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Important Points

Action Potential
  • The rate of neural transmission is independent of the level of stimulation. That is, if the neural threshold is not reached, the neuron will not fire. If the threshold is reached or exceeded, the amplitude of the action potential is the same regardless of the level of stimulation.
  • All of None Principle: The relationship between the level of stimulation and the production of a neural impulse is called t…

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