Pain (1) - PAIN reading B L Chapter 7 pp 114-122 PAIN...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
PAIN reading- B & L Chapter 7, pp 114-122
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
PAIN qualitatively different from other sensory systems variability in link between stimulus and response, strong affective or emotional component strong determinant of behavior Strong stimulus-no pain (EXAMPLE: ATHLETE INJURED IN GAME ) No stimulus-pain (EXAMPLE: CHRONIC PAIN SYNDROMES)
Background image of page 2
CHRONIC PAIN SYNDROMES example : phantom limb pain 10% amputees (also from spinal cord transection) ALTERATION OF PROCESSING OF PAI N SIGNALS modulation of pain processing by emotional/cognitive state where, how does that happen? First, follow pain information from periphery to brain
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Transduction- what is the stimulus for pain? (extremes of temperature, pressure, cutting, etc.) tissue damage causes synthesis or release of chemical mediators which act on the endings of nociceptors (pain fibers) pain fibers are chemoreceptors hyperalgesia: increased sensitivity to pain following tissue damage, especially heat damage
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/22/2011 for the course PGY 451 taught by Professor Baizer during the Spring '09 term at SUNY Buffalo.

Page1 / 20

Pain (1) - PAIN reading B L Chapter 7 pp 114-122 PAIN...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online