Chapter 14 Flashcards
BobbyDale is asked to use haptic perception to identify a soccer ball. She will most likely use the exploratory procedure(s) of _______________ to identify the soccer ball’s exact shape.
enclosure and contour following
Which of the following body parts has the lowest two-point threshold?
fingertips
Mika touches a high-curvature stimulus and a lower-curvature stimulus with her fingertip. Which of the following best describes the firing of the mechanoreceptor fibers?
The receptors right at the point of contact respond the most and the ones further away fire less in both cases, but the pattern of firing is different for the two stimuli
Which of the following is true regarding body mapping in the somatosensory cortex?
Body maps appear in S1 and S2
The demonstration in which you perceived the texture of a surface using your pen or another “tool” showed
that you can use vibrations to perceive the texture of the surface
Neuropathic pain : __________ :: Inflammatory pain: _______.
carpal tunnel syndrome; tumor cells
In most of our daily experience of touch, we are using
active touch
Sensory component of pain : ________ :: emotional component of pain : ________.
throbbing; annoying
Pokorny reduced the perceived pain for a burn victim by
presenting a virtual-reality “game” that involved chasing a spider and grinding the spider in a garbage disposal
Jan is a right-handed violin player – she bows with her right hand and fingers the strings with her left. The cortical representation for the fingers on her left hand is
larger than the area for the fingers on the left hand of a non-musician
Penfield mapped locations of body parts on area S1 by
stimulating S1 areas in humans, and asking where they felt body sensations
Neurons in the monkey somatosensory cortex have been found that
respond only to stimuli of a specific orientation.
respond only to active touching of a ruler.
respond differently under different attention conditions.
The Meissner corpuscle is associated with
controlling handgrip
The fibers from the medial lemniscal pathway and the spinothalamic pathway go to the
ventrolateral nucleus
The function of the skin is
warning the individual of possible injury.
preventing body fluids form escaping.
protecting the organism from bacteria and chemical agents