Human Physiology Lecture 11+12: The Limbic System and Learning
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Questions and Answers

What is the main function of the spinal cord?

  • To integrate reflex activity (correct)
  • To send outgoing signals to the brain
  • To control the sleep-wake cycle
  • To stimulate the RAS

    • Which neural system is responsible for arousal and stimulation of the RAS?

  • Hypothalamus (correct)
  • Slow-wave sleep center
  • Paradoxical Sleep center
  • Brain stem

    • What is the function of the cerebral cortex in relation to states of consciousness?

  • Maintaining total unresponsiveness in coma
  • Maximizing alertness and wakefulness (correct)
  • Contributing to the sleep-wake cycle
  • Causing inward conscious experience

    • Which part of the brain is responsible for paradoxical sleep?

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

    What differentiates slow-wave sleep from paradoxical sleep based on EEG patterns?

    <p>Low-frequency brain waves</p> Signup and view all the answers

    What is the primary characteristic of withdrawal reflexes?

    <p>They occur automatically without conscious effort</p> Signup and view all the answers

    What is the primary function of the limbic system?

    <p>Control of emotions and social behavior</p> Signup and view all the answers

    Which neurotransmitters are involved in reward, punishment, motivation, and learning?

    <p>Norepinephrine, dopamine, and serotonin</p> Signup and view all the answers

    What is the process of converting short-term memory (STM) into long-term memory (LTM) called?

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

    Which part of the brain is associated with declarative memory and is affected in Alzheimer's disease?

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

    What is the function of the spinocerebellum?

    <p>Maintenance of balance and coordination</p> Signup and view all the answers

    What is the primary role of the brain stem?

    <p>Linking the spinal cord to higher brain regions</p> Signup and view all the answers

    Which neurotransmitter system is involved in cortical alertness through the reticular activating system?

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

    What does LTP stand for in the context of memory formation?

    <p>Long-Term Potential</p> Signup and view all the answers

    Which part of the brain is responsible for processing sensory information such as sight, hearing, taste, and smell?

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

    What is the main function of the reflex arc?

    <p>To relay signals between brain and body</p> Signup and view all the answers

    What is the role of the spinal cord in the context of consciousness?

    <p>Integrating reflex activity</p> Signup and view all the answers

    Which neural systems are involved in the cyclic interplay for sleep-wake cycles?

    <p>Arousal system and slow-wave sleep center</p> Signup and view all the answers

    What differentiates slow-wave sleep from paradoxical sleep based on EEG patterns?

    <p>Higher frequency and lower amplitude brain waves in paradoxical sleep</p> Signup and view all the answers

    What is the primary role of the brain stem in relation to states of consciousness?

    <p>Modulating alertness and wakefulness</p> Signup and view all the answers

    What is the function of the thalamus in states of consciousness?

    <p>Controlling sensory input energizing RAS and cortex</p> Signup and view all the answers

    What is the primary role of the reticular activating system (RAS) in the brain stem?

    <p>Involvement in cortical alertness and consciousness</p> Signup and view all the answers

    Which neurotransmitter is primarily involved in reward, punishment, motivation, and learning within the limbic system?

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

    What is the primary function of the cerebrocerebellum?

    <p>Coordination of skilled voluntary movements</p> Signup and view all the answers

    Which part of the brain is associated with declarative memory and is affected in Alzheimer's disease?

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

    What differentiates slow-wave sleep from paradoxical sleep based on EEG patterns?

    <p>Presence of slow, synchronized delta waves in slow-wave sleep</p> Signup and view all the answers

    What is the primary characteristic of withdrawal reflexes?

    <p>They are monosynaptic and involve motor neurons</p> Signup and view all the answers

    Which part of the brain plays a vital role in controlling respiration and digestion?

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

    What is the primary function of the spinocerebellum?

    <p>Regulation of muscle reflexes for equilibrium and posture</p> Signup and view all the answers

    What is the main function of the midbrain within the brain stem?

    <p>Integration of all incoming sensory inputs</p> Signup and view all the answers

    What distinguishes working memory from long-term memory (LTM)?

    <p>Storage as concepts rather than verbatim information in working memory only</p> Signup and view all the answers

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