Question

What happens to serotonin and catecholamine molecules after they stimulate a postsynaptic receptor?

   What happens to serotonin and catecholamine molecules after they stimulate a postsynaptic receptor?

Biological Psychology

Biological Psychology

James W. Kalat 12th Edition

Chapter 2, Problem 15

Instant Answer

Solved by Expert Joanna Quigley

10/07/2020

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After serotonin and catecholamine molecules stimulate a postsynaptic receptor, several things can happen: Show more…

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What happens to serotonin and catecholamine molecules after they stimulate a postsynaptic receptor?

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Key Concepts

Synaptic Transmission

This is the process by which neurons communicate with each other. It involves the release of neurotransmitters, such as serotonin and catecholamines, from the presynaptic neuron into the synaptic cleft, where they travel and bind to receptors on the postsynaptic neuron. This binding initiates a response in the postsynaptic cell, transmitting the signal across the synapse.

Neurotransmitter Inactivation

After neurotransmitters bind to postsynaptic receptors, it is crucial for the signal to be terminated to maintain proper neural communication. The inactivation of neurotransmitters is achieved through processes such as reuptake into the presynaptic neuron and enzymatic degradation. This ensures that neurotransmitters do not continue to stimulate receptors indefinitely, which helps in resetting the synapse for the next signal.

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