Psychology Chapter 11: Pain and Pleasure

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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?

In the dorsal horn Signup and view all the answers

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

Aβ fibers Signup and view all the answers

What is the modern belief regarding stress-induced analgesia?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Peripheral receptors transmitting signals through the spinal cord. Signup and view all the answers

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

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

Psychology Chapter 11: Pain and Pleasure

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