psychobiology
noun
                                                                                                                            
                                                            psy·cho·bi·ol·o·gy
                    
                                                                                                              
                                                                                                                                  ˌsī-kō-bī-ˈä-lə-jē  
                                                      
                                                          
            
                                
              
          
                                                      : the study of mental functioning and behavior in relation to other biological processes                                      
                
                    
                                                      psychobiological
                        
                                      adjective
                                                                                                      
      
 or less commonly psychobiologic    
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  Merriam-Webster unabridged




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