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Psyc320 Ch13 Lecture
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Terms in this set (20)
There are two types of slow-adapting fibers and two types of fast-adapting fibers.
True
All tactile nerve fibers are of type C-delta fibers.
False
Touch receptors are found only in layers of the skin.
False
A touch sensation occurs when there is some type of mechanical displacement.
True
The term "tactile" refers to the resulting perceptual experience of a touch event.
True
The receptive field of a tactile receptor refers to the area size of the skin that must be stimulated.
True
fMRI studies show that one single area of the brain responds to pain signals.
False
Thermoreceptors are located only in the dermal layer of skin.
False
"Kinesthetic" refers specifically to the perception of movement and position of our limbs.
True
Nociceptors are specialized receptors that respond to tissue damage or potential tissue damage.
True
CT afferent fibers seem to be located in both hairy and hairless skin.
False
Touch receptor fibers enter the spinal cord at the dorsal horn.
True
Non-painful bodily touch can be classified as Pleasant or Emotional Touch.
True
S1 is the primary receiving area for touch, in the cortex.
True
The spinothalamic pathway carries information about skin temperature and pain.
True
Static contact is one way to determine the temperature of an object.
True
Two-point touch thresholds are determined primarily by the concentration and receptive field sizes of tactile receptors in an area of the skin.
True
Decreasing pain sensation during consciousness is called hyperalgesia.
False
Spatial acuity is constant across the body.
False
Contour following can provide a sense of the general or exact shape of an object.
True
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