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Why is transmission between neurons unidirectional?

Answer 1

Because of the chemical nature of these transmissions and the structure of the neuron

I invite you to look at SCooke's answer to this question for some detail.

Basically, neurons are shaped with a cell body as the control centre, up to thousands of dendrites recieving information, one axon transmitting information, and one axon terminal which allows for said information to be transmitted. Because action potentials can only travel from dendrites through to the axon, the transmission must be unidirectional. https://tutor.hix.ai

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I hope I helped!

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Answer 2

Kai Andersen

Neurons have a synaptic cleft that allows signals to travel in one direction only. Neurotransmitters released into the synaptic cleft can only bind to receptors on the postsynaptic membrane, ensuring unidirectional transmission.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.