Which of the following are NOT a component of the somatosenses?
Free nerve endings in the skin
Receptors located within limb joints
Hair cells within the cochlea
Encapsulated receptors within the skin
Damage to fibres containing the TRPV1 receptor would be expected to...
Impair touch sensation
Increase the emotional response to a painful stimulus
Alter reactivity to high-temperature stimuli
Alter reactivity to mechanical stimuli
After damage to her somatosensory association cortex, Patient E.C. experienced...
Visual agnosia
A difficulty in differentiating objects by texture cues
A loss of tactile sensitivity
Difficulty in recognizing common objects by touch
Our reaction to painful stimulation may be modified by...
Consumption of placebo pill
Hypnosis
Opiate administration
All of the above are correct
Imaging studies suggest that the unpleasant aspect of pain involves the...
Temporal cortex
Primary somatosensory cortex
Amygdala
Anterior cingulate cortex
The process of vaginal stimulation induces analgesia through...
The release of naloxone from sensory nerve endings
Neural inhibition of the spinal cord
The production of a hypnotic state
Endogenous opiate release
A person is administered a placebo "pain-relieving" skin cream just before receiving a painful electric shock. Imaging studies suggest that the placebo effect is due to...
Decreased activity within the prefrontal cortex an periaqueductal gray
Decreased activity within the somatosensory cortex
Increased activity within the prefrontal cortex and periaqueductal gray
Blockade of opiate receptors with the spinal cord
Cutaneous sensory information from below the head is sent to the brain via...
Cranial nerves
Spinal nerves
The blood stream
the internal organs
Sharp pain is conducted by ____ and dull pain is conducted by ____ axons.
Thinly myelinated; unmyelinated
Unmyelinated; thinly myelinated
Densely myelinated; thinly myelinated
Thinly myelinated; densely myelinated
If glutamate receptors in the spinal cord were blocked, what would happen to pain sensation?
Intense pain would feel mild
There would be no effect on the sensation of pain
Mild to moderate pain would be eliminated
Mild to moderate pain would be intensified
Eisenberger, Lieberman & Williams (2003) found that social rejection increased activity in the...
Somatosensory cortex
The temporal association cortex
Dorsal root ganglia
Opiate receptors act by blocking...
Glutamate release
Substance P release
Ion channels on dendrites of free nerve endings
The generation of a sensory neuron's action potential
Imagine that a person receives a cut that goes halfway through the spinal cord on the RIGHT side only. What would happen to pain sensation and touch sensation?
Pain sensation lost on right side; touch sensation lost on left side
Pain sensation lost on left side; touch sensation lost on right side
Pain and touch sensation lost on left side
Pain and touch sensation lost on right side
Imagine that you are suffering chronic pain from a medical condition that cannot be treated. In order to minimise the long-term emotional response to your pain, you wold choose a modification to your...
Parietal cortex
Dorsal lateral thalamus
Prefrontal cortex
Capsaicin is the active ingredient in which type of topical treatment?
Psoriasis cream
Deep freeze gel
Deep heat gel
Anti-ageing cream
