The Influence of Pain Catastrophizing on Experimentally Induced Emotion and Emotional Modulation of Nociception

2008 ◽  
Vol 9 (5) ◽  
pp. 388-396 ◽  
Author(s):  
Emily J. Bartley ◽  
Jamie L. Rhudy
Keyword(s):  
Pain Catastrophizing ◽  
Emotional Modulation ◽  
Experimentally Induced

Experimental Amyloidosis Induced by Immune Complex

1971 ◽  
Vol 29 ◽  
pp. 582-583
Author(s):  
A. Kawaoi
Keyword(s):  
Immune Complex ◽  
Systemic Amyloidosis ◽  
Human Diseases ◽  
Experimental Amyloidosis ◽  
Freund’S Complete Adjuvant ◽  
Freund's Complete Adjuvant ◽  
Immunological Approach ◽  
Experimentally Induced

Numbers of immunological approach have been made to the amyloidosis through the variety of predisposing human diseases and the experimentally induced animals by the greater number of agents. The results suggest an important role of impaired immunity involving both humoral and cell-mediated aspects.Recently the author has succeeded in producing amyloidosis in the rabbits and mice by the injections of immune complex of heat denatured DNA.The aim of this report is to demonstrate the details of the ultrastructure of the amyloidosis induced by heterologous insoluble immune complex. Eleven of twelve mice, dd strain, subcutaneously injected twice a week with Freund's complete adjuvant and four of seven animals intraperitonially injected developed systemic amyloidosis two months later from the initial injections. The spleens were electron microscopically observed.

Effects of Experimentally Induced Pain on Mismatch Negativity

2006 ◽  
Vol 20 (1) ◽  
pp. 21-31 ◽  
Author(s):  
Bruce D. Dick ◽  
John F. Connolly ◽  
Michael E. Houlihan ◽  
Patrick J. McGrath ◽  
G. Allen Finley ◽  
...  
Keyword(s):  
Cognitive Processing ◽  
Mismatch Negativity ◽  
Event Related Potentials ◽  
Disruptive Effect ◽  
Ischemic Pain ◽  
Active Attention ◽  
Early Processing ◽  
Related Potentials ◽  
Healthy Participants ◽  
Experimentally Induced

Abstract: Previous research has found that pain can exert a disruptive effect on cognitive processing. This experiment was conducted to extend previous research with participants with chronic pain. This report examines pain's effects on early processing of auditory stimulus differences using the Mismatch Negativity (MMN) in healthy participants while they experienced experimentally induced pain. Event-related potentials (ERPs) were recorded using target and standard tones whose pitch differences were easy- or difficult-to-detect in conditions where participants attended to (active attention) or ignored (passive attention) the stimuli. Both attention manipulations were conducted in no pain and pain conditions. Experimentally induced ischemic pain did not disrupt the MMN. However, MMN amplitudes were larger to difficult-to-detect deviant tones during painful stimulation when they were attended than when they were ignored. Also, MMN amplitudes were larger to the difficult- than to the easy-to-detect tones in the active attention condition regardless of pain condition. It appears that rather than exerting a disruptive effect, the presence of experimentally induced pain enhanced early processing of small stimulus differences in these healthy participants.

Effects of a Depressant Drug as Modified by Experimentally-Induced Expectation

1964 ◽  
Author(s):  
Marianne Frankenhaeuser ◽  
Birgitta Post ◽  
Ragnar Hagdahl ◽  
Bjorn Wrnagsjo
Keyword(s):  
Depressant Drug ◽  
Experimentally Induced
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