Neuroscience: Neural Pruning and Cell Death
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Questions and Answers

What is neuroplasticity?

  • Brain's inability to change
  • Brain's fixed structure throughout life
  • Brain's rigidity in forming new connections
  • Brain's ability to grow and change (correct)

    • How does Long Term Potentiation (LTP) affect neural connections?

  • Causes neurons to shrink
  • Strengthens neural connections (correct)
  • Weakens neural connections
  • Halts the growth of dendrites

    • What effect does practice have on myelination?

  • Reduces interference of neurotransmitters
  • Halts myelination process
  • Causes myelination to occur (correct)
  • Thins the dendrites

    • Which part of the brain is associated with regulating mood, memory, and hormone control?

    <p>Mammal Brain</p> Signup and view all the answers

    Which brain component evolved during the Triassic Period?

    <p>Reptilian Brain</p> Signup and view all the answers

    Which era saw the evolution of the Human Brain (Neocortex)?

    <p>Eocene and Oligocene Epochs</p> Signup and view all the answers

    What is neurogenesis in the context of the brain's development?

    <p>The process by which neurons are regenerated in the hippocampus in adulthood</p> Signup and view all the answers

    How does neurogenesis contribute to memory resolution?

    <p>The combination of mature and young neurons enhances encoding more features within memories</p> Signup and view all the answers

    What distinguishes mature neurons from young neurons in terms of information processing?

    <p>Mature neurons are powerful at representing past stimuli</p> Signup and view all the answers

    How does the Triune Model explain the brain's evolution?

    <p>By proposing that the brain evolved through a linear process from reptilian to mammalian to human-like structures</p> Signup and view all the answers

    How does Long Term Potentiation (LTP) affect neural connections in the brain?

    <p>LTP strengthens neural connections by increasing synaptic efficiency</p> Signup and view all the answers

    Which process refers to the phenomenon where neurons can lose their connecting powers if not used appropriately during brain development?

    <p>Neural pruning</p> Signup and view all the answers

    What is the main difference between apoptosis and necrosis in terms of cell death?

    <p>Apoptosis is safer and an active cell death process, while necrosis is harmful and passive.</p> Signup and view all the answers

    Which region of the brain is responsible for coordination of movement, equilibrium, and procedural memory?

    <p>Hindbrain</p> Signup and view all the answers

    Which protein increases the growth of axons and dendrites in the brain?

    <p>Brain-Derived Neurotrophic Factors (BDNF)</p> Signup and view all the answers

    What role does the Pons play in brain function?

    <p>Sleep and arousal</p> Signup and view all the answers

    Which aspect of brain function does the Amygdala primarily regulate?

    <p>Emotions and emotional regulation</p> Signup and view all the answers

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