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GABA is commonly introduced as the most prominent inhibitory neurotransmitter in our brains. However, scientists have discovered that GABA does not always lead to the inhibition of a postsynaptic neuron. Explain how this is possible for neurotransmitters more generally. In other words, describe how it is possible for the same neurotransmitter to cause either a depolarizing or hyperpolarizing effect at different postsynaptic synapses. Make sure you clearly explain the reasoning behind your answer.

GABA is commonly introduced as the most prominent inhibitory neurotransmitter in our brains. However, scientists have discovered that GABA does not always lead to the inhibition of a postsynaptic neuron. Explain how this is possible for neurotransmitters more generally. In other words, describe how it is possible for the same neurotransmitter to cause either a depolarizing or hyperpolarizing effect at different postsynaptic synapses. Make sure you clearly explain the reasoning behind your answer.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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3. GABA is commonly introduced as the most prominent inhibitory neurotransmitter in our brains. However, scientists have discovered that GABA does not always lead to the inhibition of a postsynaptic neuron. Explain how this is possible for neurotransmitters more generally. In other words, describe how it is possible for the same neurotransmitter to cause either a depolarizing or hyperpolarizing effect at different postsynaptic synapses. Make sure you clearly explain the reasoning behind your answer.
Transcribed Image Text:3. GABA is commonly introduced as the most prominent inhibitory neurotransmitter in our brains. However, scientists have discovered that GABA does not always lead to the inhibition of a postsynaptic neuron. Explain how this is possible for neurotransmitters more generally. In other words, describe how it is possible for the same neurotransmitter to cause either a depolarizing or hyperpolarizing effect at different postsynaptic synapses. Make sure you clearly explain the reasoning behind your answer.
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