I keep getting “Nerve impulse” questions wrong in Neural Control & Coordination. What's the trap?
thinking the impulse jumps the synapse as electricity.
The usual trap: thinking the impulse jumps the synapse as electricity. How to avoid it: within a neuron = electrical; across a synapse = chemical (neurotransmitter). Go back to the definition — an electrical signal (action potential) travels within a neuron; a chemical signal crosses the synapse.
Key point
Nerve impulse
Common mistake
thinking the impulse jumps the synapse as electricity.
Memory tip
within a neuron = electrical; across a synapse = chemical (neurotransmitter).
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