PSYC 460 - Cord Spinothalamic Tract Pain Reception The...

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Pain Perception in the Human Body PSYCHOLOGY 460 Gene Brown Jacob Orias
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So, what is “Pain”? ...Not exactly.
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“Discomfort associated with tissue damage.” There are 3 ways that we perceive Pain: 1) Cognitive Basis- pain based on previous experience 2) Motivational Basis- based on emotional qualities/tolls 3) Sensory-Discriminative Basis- how does the pain feel?
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PAIN RECEPTION AND RESPONSE Pain is detected from our sensory nerve modalities while NOCICEPTORS (proteins) on the tips of these nerve fibers are determinant of our responses to painful stimuli. Pain travels contralaterally (to the site of initial stimulus) to the Cingulate Cortex located medially in the Brain, via the Spinothalamic Tract, or Anteriolateral Tract. This contralateral crossing occurs in the Dorsal Horn of the Spinal
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Unformatted text preview: Cord. Spinothalamic Tract Pain Reception The difference between sharp and dull pain is the transmission speed of the nerve fibers. Alpha Delta Fibers : detect sharp pain C Fibers : detect dull pain The thickness of the mylienation of the innervated nerve axon reflects the transmission speed of the pain. Conduction Speed in relation to Axonal Mylienation CINGULATE CORTEX CASE STUDIES… …or just some videos we’ll use as examples :) http://www.youtube.com/watch?v=GZBbtk47vZw&feature=relate http://www.youtube.com/watch?v=QUQo8RQ-LEo&feature=rela http://www.youtube.com/watch?v=g4kBNBEJKD8 http://www.youtube.com/watch?v=XleNWNF3V-c&feature=relate http://www.youtube.com/watch?v=gslp_2DrbXk http://www.youtube.com/watch?v=g1YdkO77844...
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PSYC 460 - Cord Spinothalamic Tract Pain Reception The...

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