A new medication is designed to prevent the release of chemical messengers from the end of an axon into the gap between two nerve cells. What is the most direct and immediate consequence of this medication on the signaling process?

When a signal reaches the synapse at end of an axon it releases a chemical. The neurotransmitter makes it possible for signals to travel across the gap (synapse). 

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University of Michigan - Ann Arbor

A small gap between the end of a neuron's axon and the dendrites (or cell body) of another neuron.

Synapse

Goldstein, E. B. (2014). Cognitive psychology: Connecting mind, research and everyday experience. Nelson Education.


Cognitive psychology: Connecting mind, research and everyday experience

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Spanish physiologist who came up with the neuron doctrine and identified the neurons as individual units. Discovered synapses, neural circuits and receptors

Ramon Y Cajal

Neurotransmitter

A signal travels down the long projection of a nerve cell and reaches the end. To communicate with the next nerve cell, the signal must cross a small gap. What is the most significant functional implication of this gap?

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