NASA Photo ID: STS040-605-042      File Name: 10064358.jpg
  Film Type: 70mm                    Date Taken: 06/14/91
  Title: STS-40 Mission Specialist (MS) Seddon conducts Exp. No. 022 in SLS-1 module
  Description:
  STS-40 Mission Specialist (MS) M. Rhea Seddon, wearing a baroreflex neck 
  pressure chamber, conducts Experiment No. 022, Influence of Weightlessness 
  Upon Human Autonomic Cardiovascular Control, at Spacelab Life Sciences 1 
  (SLS-1) module Rack 11.  The baroreflex neck pressure chamber is a collar 
  that stimulates the baroreceptors in the carotid artery.  This test focuses 
  on postflight cardiovascular deconditioning, specifically the carotid 
  baroreflex, which adjusts heart rate and blood pressure.               
  
  Subject terms:
  ASTRONAUTS                              
  BARORECEPTORS                           
  COLUMBIA (ORBITER)                      
  CREWS                                   
  RACKS                                   
  SPACEBORNE EXPERIMENTS                  
  SPACELAB                                
  STS-40                                  
  

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