In 1955, J

question 1

Multiple Choice

In 1955, J.C. Eccles and colleagues made which fundamental experimental observation regarding cell excitability and action potential generation?

• A) Dendritic depolarization initiates action potentials near the soma, not in the dendrites.
• B) Dendrites are generally unexcitable and only transmit signals passively towards the soma.
• C) Action potentials travel along dendrites with a conduction velocity of 3 m/s.
• D) Cerebellar Purkinje neurons produce dendritic action potentials.
• E) Action potentials are initiated in the axon initial segment, and then propagate along the axon and back into the soma and dendrites.

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