It is not surprising that once their crisis is over, they do not remember some of what happened. Since we do not really understand the pathology which caused the crisis, it's hard to pinpoint.
The brain is a complicated system and responds to many influences.
Thinking about this, I did a quick search and found the following things listed that can cause memory issues.
"Short-term memory loss can be caused by many medical conditions, including:
Brain damage: Brain injuries, such as concussions, strokes, and brain bleeds can damage the brain and cause memory loss.
Infections: Infections in or around the brain can cause memory loss.
Vitamin deficiencies: A deficiency of vitamin B12 can cause memory loss, confusion, and disorientation.
Mental health conditions: Depression and anxiety can cause memory loss.
Medications: Some medications, such as statins, anxiety medications, and antiseizure drugs, can cause memory loss.
Thyroid problems: Hypothyroidism can cause memory loss, trouble concentrating, and "brain fog".
Transient ischemic attack (TIA): A TIA is a brief episode when parts of the brain don't receive enough blood, and in rare cases, it can cause memory loss.
Electroconvulsive therapy: A common side effect of electroconvulsive therapy is short-term memory alteration.
Other causes of short-term memory loss include: Alcohol and drug abuse, Heavy cigarette smoking, Sleep deprivation, Severe stress, and Not eating enough healthy foods. "
I have often pondered what an MLCer's brian would look like on an MRI or post mortum...would there be signs of ischemia? tumors? areas of the brain that are dead?
"Post-traumatic stress disorder (PTSD) can impact the brain in a number of ways, including the hippocampus, the amygdala, the prefrontal cortex, and the posterior cingulate cortex (PCC):
Hippocampus
The hippocampus is the part of the brain that handles memories and emotions. When someone experiences a traumatic event, the hippocampus works to make sense of and remember the event. However, the brain's stress response to a traumatic event can cause the hippocampus to be damaged or inhibited, which can lead to memory impairment. This can make it difficult to form new long-term memories and can cause short-term memory loss. "
Many LBSers have reported that their partners have told them they were in a "fog" or they do not remember things that happened during their crisis. We have witnessed the physical signs, the dark "shark" eyes for example and the inability to show empathy and compassion in a person who previously was loving and caring.
Something has happened to cause the crisis. The science exists to explain issues with memory and brain function.
Another condition that popped into my head as I am contemplating this is amnesia
"Generalized amnesia
A rare type of dissociative amnesia where people forget their identity and life history. It's more common in people who have experienced extreme stress or conflict, such as combat veterans or victims of sexual assault. "
Could some of these things affect the MLCer's brain and their memory of events that occurred? I think it is possible and that considering some of the pre crisis issues our partners have experienced, not really surprising.