The Postsynaptic Density

Test your knowledge on the role of the postsynaptic density in neuron communication and its connection to disorders such as schizophrenia, autism, and learning disabilities. Explore the functions of neurotransmitters, receptors, and genetic mutations in this crucial aspect of the brain's receptor systems.

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@VisionaryDiscernment

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Questions and Answers

Which type of receptors are connected to G proteins and can also be ion channels?

G protein-coupled receptors

Which neurotransmitter is the major excitatory neurotransmitter in the brain?

Glutamate

Which type of receptors are ligand-gated ion channels and composed of subunits with transmembrane domains?

Ionotropic receptors

What type of receptors can trigger neuroplasticity and lead to increased connectivity and learning?

Metabotropic receptors Signup and view all the answers

Which subunits are found in G proteins?

Alpha, beta, and gamma Signup and view all the answers

What is the main function of G proteins in neuronal signaling?

To activate second messenger systems Signup and view all the answers

What happens to neurons during neuronal plasticity?

All of the above Signup and view all the answers

Which of the following is true about neurotransmitters and drugs?

Antagonists block neurotransmitters Signup and view all the answers

What can happen if there are toxic levels of neurotransmitters in the body?

Respiratory failure or inhibition of vital systems Signup and view all the answers

Which animals have been studied for their nervous systems?

Squids and manatees Signup and view all the answers

What is the effect of GABA agonists on vital systems?

Inhibition of vital systems Signup and view all the answers

What did the learning conference focus on?

Comparative societies studying animal learning Signup and view all the answers

What is the cause of tetanus?

Excessive excitation of neurons Signup and view all the answers

Which drugs affect neurotransmitter levels?

Serotonin reuptake inhibitors and amphetamines Signup and view all the answers

What did Eric Kandel study in neuroscience?

Sea slugs and squids Signup and view all the answers