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Synaptogenesis I: Key Processes and Maturation

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Synaptogenesis I: Key Processes and Maturation

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Questions and Answers

What does the manipulation of layers affect in the lamina?

Axon guidance

Visual activity

Synaptic connections

Branching (correct)

What happens when axons make choices among potential postsynaptic targets?

They differentiate into presynaptic nerve terminals. (correct)

They avoid forming synapses.

They make random connections.

They do not affect the postsynaptic apparatus.

In the animal experiment mentioned, what happens to the synapse specificity between retinal ganglion neurons and interneurons in the sutured eye?

Becomes random

Decreases (correct)

Remains unchanged

Increases

How do synapses continue to mature and remodel?

In response to molecular programs and neural activity. Signup and view all the answers

What influences the targeting of sensory axons to discrete glomeruli in the olfactory bulb?

Olfactory receptors Signup and view all the answers

What drives synapse specificity during formation?

Distinct molecules influenced by activity. Signup and view all the answers

What happens when you delete a receptor gene that guides axons to specific glomeruli in the olfactory bulb?

The axons project to a different glomeruli Signup and view all the answers

What is the key idea behind the regeneration of connections with specific targets after damage?

Selective formation of synapses with neurons that target specific sites. Signup and view all the answers

What do inhibitory basket cells form synapses on within a neuron?

Axon initial segment Signup and view all the answers

What determines which types of visual stimuli activate retinal ganglion cells?

Laminae-specific connections from interneurons and ganglion cells. Signup and view all the answers