This subproject is one of many research subprojects utilizing theresources provided by a Center grant funded by NIH/NCRR. The subproject andinvestigator (PI) may have received primary funding from another NIH source,and thus could be represented in other CRISP entries. The institution listed isfor the Center, which is not necessarily the institution for the investigator.
Specific Aim 1 : To examine the role of alpha-2 adrenergic mechanisms in mediating the inverse relationship between resting BP and acute pain sensitivity in pain-free normotensive humans.
Specific Aim 2 : To determine whether changes in alpha-2 adrenergic function contribute to chronic pain-related alterations in the relationship between resting BP and acute pain sensitivity.
Specific Aim 3 : To determine whether changes in baroreceptor sensitivity contribute to alterations in the relationship between resting BP and acute pain sensitivity in chronic pain patients relative to pain-free controls.
Specific Aim 4 : To determine whether chronic pain-related activation of pain facilatory pathways contributes to alterations in the relationship between resting BP and acute pain sensitivity in chronic pain patients relative to pain-free controls.
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