 Dual Destinies introduces the " mood matrix " , through which the player can gauge the emotions of a witness , such as tones of anger when mentioning certain topics ; if the player notices a contradictory emotional response during testimony , they can point out the discrepancy and press the witness for more information . Dual Destinies also introduces " <unk> " , where the player reviews vital facts and forms links between evidence to reach new conclusions . Spirit of Justice introduces " divination <unk> " , in which the player is shown the memories of victims moments before their deaths , and must find contradictions in the victim 's five senses to determine what has happened . Professor Layton vs. Phoenix Wright : Ace Attorney introduces simultaneous cross @-@ examinations of multiple witnesses , with the player being able to see and hear reactions from the different witnesses to the testimony and using this to find contradictions . Dai Gyakuten Saiban introduces " joint reasoning " , where the player finds out the truth by pointing out when their investigative partner Sherlock Holmes takes his reasoning " further than the truth " . 
