it appears as if she suffers from dissociative amnesia. and according to the research, the more intense the trauma, the more likely and the more complete the amnesia. reporter: dr. samuels said jodi s amnesia was caused by post-traumatic stress disorder, ptsd. another defense expert testified that jodi was a victim of domestic violence. given everything that you have reviewed, that you ve read in this case, that you ve seen, do you have an opinion, an ultimate opinion in your expertise about whether or not miss arias was an abused in an abusive relationship? yes, i believe she was in an abusive relationship. and do you believe in your expert opinion that jodi was a battered woman, or is a battered woman? yes, i do. reporter: but martinez tore into the defense experts. i m sorry. i don t see it that way. right. you wouldn t see it that way because you have feelings for
the defense testified that the fog was caused by the stress of travis s attack. it appears as if she suffers from dissociative amnesia. and according to the research, the more intense the trauma, the more likely and the more complete the amnesia. reporter: dr. samuels said jodi s amnesia was caused by post-traumatic stress disorder, ptsd. another defense expert testified that jodi was a victim of domestic violence. given everything that you have reviewed, that you ve read in this case, that you ve seen, do you have an opinion, an ultimate opinion in your expertise about whether or not miss arias was an abused in an abusive relationship? yes, i believe she was in an abusive relationship. and do you believe in your expert opinion that jodi was a battered woman, or is a battered woman? yes, i do. reporter: but martinez tore into the defense experts. i m sorry.
things from years before. details of meals and how many people were in the elevator and what happened on this date and what kind of sex she had on that date. and when it came to slicing and stabbing travis alexander 29 times, she had no recollection. are you saying that you re having a hard time remembering things that are happening now that you shot him? yes. so it appears, then, that your memory becomes faulty immediately upon you shooting him. yeah. things get very foggy from there. immediately the shot takes him down, and it creates a fog for you. is that what you re saying? it begins to create a fog. reporter: a psychologist for the defense testified that the fog was caused by the stress of travis s attack. it appears as if she suffers from dissociative amnesia.
from dissociative amnesia. and according to the research, the more intense the trauma, the more likely and the more complete the amnesia. reporter: dr. samuels said jodi s amnesia was caused by post-traumatic stress disorder, ptsd. another defense expert testified that jodi was a victim of domestic violence. given everything that you have reviewed, that you ve read in this case, that you ve seen, do you have an opinion, an ultimate opinion in your expertise about whether or not miss arias was an abused in an abusive relationship? yes, i believe she was in an abusive relationship. and do you believe in your expert opinion that jodi was a battered woman, or is a battered woman? yes, i do. reporter: but martinez tore into the defense experts. i m sorry. i don t see it that way. right. you wouldn t see it that way because you have feelings for
why did you put the camera in the washer? i don t have memory of that. i don t know why i would do that. reporter: and defense lawyers are hoping this psychologist, a defense witness, will convince jurors arias isn t faking this. it appears as if she suffers from dissociative amnesia. reporter: the doctor says that is something that happens after severe trauma such as a killing. the acute stress that follows sends a surge of chemicals to the brain that block the brain from storing any memories. the more intense the crime or intense the distress, the more complete the amnesia tends to be. when you say more complete, what do you mean? the loss is greater. the loss is more permanent. most of what occurred is not remembered as opposed to perhaps some of it being remembered. reporter: jodi arias has testified here in court over and over she doesn t remember