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13 Cards in this Set
- Front
- Back
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Active touch
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Touch in which the observer plays an active role in touching & exploring an object, usually with his or her hands.
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Affective/emotional component of pain
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The emotional experience associated with pain
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Cutaneous senses
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The ability to perceive sensations, such as touch and pain, that are based on the stimulation of receptors in the skin.
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Dermis
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The inner layer of skin that contains nerve endings & receptors.
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Direct pathway model of pain
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The idea that pain occurs when nociceptor receptors in the brain are stimulated & send signals to the brain.
This model does not account for the fact that pain can be affected by factors in addition to stimulation of the skin. |
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Duplex theory of texture perception
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The idea that texture perception is determined by both spatial & temporal cues that are detected by two types of receptors.
Proposed by Katz and Hollins. |
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Endorphin
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Chemical that is naturally produced in the brain & causes analgesia.
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Epidermis
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The outer layers of the skin, including a layer of dead skin cells.
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Exploratory procedures (EPs)
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People's movement of their hands & fingers while identifying a 3D object by touch.
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Gate-control model
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Melzack/Wall's idea that our perception of pain is controlled by a neural circuit that takes into account the relative amount of activity in L & S fibers.
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Grating acuity
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A measure of acuity on the skin.
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Haptic perception
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The perception of 3D objects by touch.
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Homunculus
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Latin for "little man", refers to the topographic map of the body in the somato-sensory cortex.
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