Crossref Citations
                  This article has been cited by the following publications. This list is generated based on data provided by Crossref.
                                
                                    
                                    Pepperberg, Irene M.
                                     and 
                                    Funk, Mildred S.
                                  1990.
                                  Object permanence in four species of psittacine birds: An African Grey parrot (Psittacus erithacus), an Illiger mini macaw (Ara maracana), a parakeet (Melopsittacus undulatus), and a cockatiel (Nymphicus hollandicus).
                                  
                                  
                                  Animal Learning & Behavior, 
                                  Vol. 18, 
                                  Issue. 1, 
                                
                                    p. 
                                    97.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Pepperberg, Irene Maxine
                                  1990.
                                  
                                  
                                  
                                  
                                  Vol. 19, 
                                  Issue. , 
                                
                                    p. 
                                    357.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Andreae, John H.
                                     and 
                                    Ryan, Shaun W.
                                  1994.
                                  Associative learning and task complexity.
                                  
                                  
                                  Behavioral and Brain Sciences, 
                                  Vol. 17, 
                                  Issue. 2, 
                                
                                    p. 
                                    357.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Pepperberg, Irene M.
                                  1994.
                                  Language and cognition: The interesting case of subjects “P”.
                                  
                                  
                                  Behavioral and Brain Sciences, 
                                  Vol. 17, 
                                  Issue. 2, 
                                
                                    p. 
                                    359.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Westergaard, Gregory Charles
                                  1994.
                                  Language, tools and neurobehavioral laterality.
                                  
                                  
                                  Behavioral and Brain Sciences, 
                                  Vol. 17, 
                                  Issue. 2, 
                                
                                    p. 
                                    360.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Piñon, Denise
                                     and 
                                    Greenfield, Patricia M.
                                  1994.
                                  Does everybody do it? Hierarchically organized sequential activity in robots, birds and monkeys.
                                  
                                  
                                  Behavioral and Brain Sciences, 
                                  Vol. 17, 
                                  Issue. 2, 
                                
                                    p. 
                                    361.
                                
                                
                        
                        
                        
                        
                                
                                    
                                    Butler, Ann B.
                                    
                                    Manger, Paul R.
                                    
                                    Lindahl, B.I.B.
                                     and 
                                    Århem, Peter
                                  2005.
                                  Evolution of the neural basis of consciousness: a bird–mammal comparison.
                                  
                                  
                                  BioEssays, 
                                  Vol. 27, 
                                  Issue. 9, 
                                
                                    p. 
                                    923.
                                
                                
                        
                        
                        
                         
 
