Neurogenesis: Prenatal and Postnatal Process

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Questions and Answers

What term describes the brain's ability to grow and change throughout the lifespan?

  • Axon growth
  • Neuroplasticity (correct)
  • Apoptosis
  • Neural Pruning

How does practice affect the connections between neurons?

  • It strengthens the connections (correct)
  • It has no impact on connections
  • It damages the synapse
  • It weakens the connections

What occurs if neurons are not used at appropriate times during brain development?

  • They initiate apoptosis
  • They improve neuroplasticity
  • They multiply rapidly
  • Their ability to make connections diminishes (correct)

Which factor can lead to inappropriate neuronal cell death later in life?

<p>Environmental toxins (A)</p> Signup and view all the answers

What is the term for programmed cell death in neurons?

<p>Apoptosis (A)</p> Signup and view all the answers

How do extensive long-term repeated experiences influence neuronal connections?

<p>They induce long-term potentiation (LTP) (C)</p> Signup and view all the answers

Which process involves the formation of synapses between neurons?

<p>Synaptogenesis (B)</p> Signup and view all the answers

What is the role of neurotrophins in brain health?

<p>Acting as brain nutrients to promote health (B)</p> Signup and view all the answers

How does learning impact the communication between neurons?

<p>Facilitates dendritic connections (B)</p> Signup and view all the answers

Which population of neurons is powerful at representing past information?

<p>Mature neurons (A)</p> Signup and view all the answers

What phenomenon is extremely rare among humans according to a recent study?

<p>Neurogenesis in adulthood (A)</p> Signup and view all the answers

What contributes to encoding more features robustly within memories?

<p>Increased neural activity (D)</p> Signup and view all the answers

Which statement accurately describes the relationship between neural activity and neurotrophins?

<p>Higher neural activity results in more neurotrophins being generated. (B)</p> Signup and view all the answers

Which process is associated with the assumption that we learn best through association?

<p>Neurobics (C)</p> Signup and view all the answers

What is a key requirement for long-term potentiation to occur?

<p>Presence of glutamate (D)</p> Signup and view all the answers

When does neural pruning primarily take place in the human nervous system?

<p>Throughout the entire lifespan (B)</p> Signup and view all the answers

Which brain region is responsible for reflexes that do not require conscious brain involvement?

<p>Cerebellum (D)</p> Signup and view all the answers

At what age does the prefrontal cortex typically reach full development?

<p>25 years old (A)</p> Signup and view all the answers

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