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