Psychology Chapter 11: Pain and Pleasure
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Questions and Answers

Which type of neurons can dampen the pain signal, according to the gate theory of pain?

  • Aδ fibers
  • B fibers
  • Aβ fibers (correct)
  • C fibers

    • Where does the signal from the sensory-discriminative domain terminate in the brain?

  • Right somatosensory cortex (correct)
  • Left somatosensory cortex
  • Frontal lobe
  • Occipital lobe

    • What is the primary target for pain relief related to C fiber neurons?

  • AMPA receptor
  • NMDA receptor
  • GABA receptor
  • TRPV1 receptor (correct)

    • In the spinal cord, where do the nociceptive afferent nerve fibers synapse?

    <p>In the dorsal horn</p> Signup and view all the answers

    Which fibers pass on information about tissue injury to the brain?

    <p>Aβ fibers</p> Signup and view all the answers

    What is the modern belief regarding stress-induced analgesia?

    <p>Stress stimulates opioid-dependent pathways that inhibit the pain signal</p> Signup and view all the answers

    Why do most evaluations fail to turn up a cause that explains chronic pain?

    <p>The traditional model of pain fails to take into account changes in the nerves</p> Signup and view all the answers

    What is the role of endocannabinoids in stress-induced analgesia according to the University of Georgia's group?

    <p>Endocannabinoids suppress pain perception during stress independent of opioid pathways</p> Signup and view all the answers

    What was Beecher's classic example regarding pain relief in individuals under extreme stress?

    <p>Men wounded in battle during the Second World War who did not experience severe pain until later</p> Signup and view all the answers

    What is the prevailing belief about nociceptive pain according to the text?

    <p>Nociceptive pain is passive and does not involve direct transmission from peripheral receptors to the cortex</p> Signup and view all the answers

    What is the main reason most evaluations fail to find a cause for chronic pain?

    <p>The traditional model of pain fails to account for changes in the nerves.</p> Signup and view all the answers

    What is the role of endocannabinoids in stress-induced analgesia?

    <p>They suppress pain perception by being released into the PAG during stressful times.</p> Signup and view all the answers

    What was the classic example described by Beecher regarding pain relief in individuals under extreme stress?

    <p>The relief experienced by men taken from the battle and brought to a safe location blocked their pain.</p> Signup and view all the answers

    According to the passage, where does nociceptive pain originate from?

    <p>Peripheral receptors transmitting signals through the spinal cord.</p> Signup and view all the answers

    What is the prevailing belief about stress-induced analgesia according to the University of Georgia's group?

    <p>It is primarily mediated by endocannabinoids and opioids acting together.</p> Signup and view all the answers

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