Upload
others
View
2
Download
0
Embed Size (px)
Citation preview
SOMESTHETIC SENSES
SOMESTHETIC SENSES
The sense of touch is a mix of four dis:nct
skin senses—pressure,
temperature (warmth & cold),
and pain.
SKIN SENSES
Only pressure has iden:fiable receptors. All other skin sensa:ons are varia:ons of
pressure, warmth, cold and pain.
Burning hot
Pressure Vibra:on Vibra:on
Cold, warmth and pain
SKIN SENSES
TOUCH Skin receptors that make us aware of how & where we’re being touched.
PRESSURE Receptors beneath the skin that make us aware of deeper touch.
TEMPERATURE Receptors are found just beneath the skin to give the sensa:on of hot, cold, and warm.
TACTILE SENSES
SOMATOSENSORY CORTEX
• Located in the parietal lobe
BRAIN AREAS -‐ TOUCH
Pain tells the body that something has gone wrong. Usually pain results from damage to the skin and other :ssues. A rare disease exists in which the
afflicted person feels no pain.
PAIN
INFLUENCES ON PAIN
GATE CONTROL THEORY Melzak and Wall (1965, 1983)
proposed that our spinal cord contains neurological “gates” that either block pain or allow it to
be sensed.
GATE CONTROL THEORY
Pain can be controlled by a number of therapies including, drugs, surgery, acupuncture, exercise,
hypnosis, and even thought distrac:on.
PAIN CONTROL