aphasiology
noun
                                                                                                                            
                                                            apha·si·ol·o·gy
                    
                                                                                                              
                                                                                                                                  ə-ˈfā-z(h)ē-ˈäl-ə-jē  
                                                      
                                                          
            
            
               plural aphasiologies            
        
    
                                
              
          
                                                      : the study of aphasia including its linguistic, psychological, and neurological aspects                                      
                
                    
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  Merriam-Webster unabridged




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